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PR c++/19407
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2007-09-22  Jason Merrill  <jason@redhat.com>
2
3         PR c++/19407
4         * attribs.c (lookup_attribute_spec): Split out...
5         (decl_attributes): From here.
6         * tree.h: Declare it.
7
8 2007-09-22  Richard Sandiford  <rsandifo@nildram.co.uk>
9
10         * doc/sourcebuild.texi: Document dg-add-options mips16_attribute.
11
12 2007-09-22  Eric Botcazou  <ebotcazou@adacore.com>
13
14         * tree-inline.c (remap_type_1): Correctly chain variants.
15
16 2007-09-22  Richard Guenther  <rguenther@suse.de>
17
18         PR tree-optimization/33146
19         * fold-const.c (fold_binary): Use the original tree
20         for negating.
21         * tree.h (STRIP_SIGN_NOPS): Converting from or to pointer
22         also changes "sign".
23
24 2007-09-22  Eric Botcazou  <ebotcazou@adacore.com>
25
26         PR target/32325
27         * except.c (finish_eh_generation): Call commit_edge_insertions if
28         there are insns queued on the entry edge.
29         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns on
30         the entry edge.
31
32 2007-09-22  Richard Sandiford  <rsandifo@nildram.co.uk>
33
34         * doc/sourcebuild.texi (dg-add-c99-runtime-options): Document.
35
36 2007-09-19  Michael Meissner  <michael.meissner@amd.com>
37
38         * gcc/config/i386/i386.c: Delete trailing whitespace.
39         * gcc/config/i386/i386.h: Ditto.
40         * gcc/config/i386/bmmintrin.h: Ditto.
41         * gcc/config/i386/sync.md: Ditto.
42         * gcc/config/i386/ppro.md: Ditto.
43         * gcc/config/i386/mmx.md: Ditto.
44         * gcc/config/i386/constraints.md: Ditto.
45         * gcc/config/i386/sse.md: Ditto.
46         * gcc/config/i386/athlon.md: Ditto.
47         * gcc/config/i386/i386.md: Ditto.
48
49 2007-09-21  Richard Guenther  <rguenther@suse.de>
50
51         PR tree-optimization/33508
52         * tree-ssa-alias.c (mark_aliases_call_clobbered): Avoid
53         quadratic loop by keeping a bitmap of variables we have
54         to clobber all subvariables for.
55         (set_initial_properties): Likewise.
56
57 2007-09-21  Richard Sandiford  <rsandifo@nildram.co.uk>
58
59         * config/mips/t-sde (TARGET_LIBGCC2_CFLAGS): Delete.
60
61 2007-09-20  Nigel Stephens  <nigel@mips.com>
62             Chao-ying Fu  <fu@mips.com>
63
64         * c-decl.c (finish_declspecs): When _Sat is used without
65         _Fract or _Accum, set the default type to cts_fract.
66         This avoids a warning of "type defaults to int".
67
68 2007-09-20  Joseph Myers  <joseph@codesourcery.com>
69
70         * c-decl.c (check_bitfield_type_and_width): Don't allow _Bool
71         bit-fields wider than one bit.
72
73 2007-09-20  Jakub Jelinek  <jakub@redhat.com>
74
75         PR debug/33316
76         * dwarf2out.c (modified_type_die): Handle TYPE_DECL with NULL
77         DECL_NAME.
78         * dbxout.c (dbxout_type): Likewise.
79
80         PR c/33238
81         PR c/27301
82         * gimplify.c (gimplify_vla_decl): New function.
83         (gimplify_decl_expr): Move VLA decl handling to gimplify_vla_decl.
84         Call it.
85         (gimplify_target_expr): Handle variable length TARGET_EXPRs.
86
87 2007-09-20  Richard Sandiford  <rsandifo@nildram.co.uk>
88
89         * doc/invoke.texi (-minterlink-mips16): Document.
90         * config/mips/mips.opt (minterlink-mips16): New option.
91         * config/mips/mips.c (mips_function_ok_for_sibcall): Handle
92         -minterlink-mips16
93
94 2007-09-20  Joseph Myers  <joseph@codesourcery.com>
95
96         * doc/extend.texi (Attribute Syntax): Remove old speculative
97         future direction.
98
99 2007-09-20  Mark Shinwell  <shinwell@codesourcery.com>
100
101         * combine.c: Include cgraph.h.
102         (setup_incoming_promotions): Rework to allow more aggressive
103         elimination of sign extensions when all call sites of the
104         current function are known to lie within the current unit.
105
106 2007-09-20  Richard Sandiford  <rsandifo@nildram.co.uk>
107
108         * dse.c (find_shift_sequence): No-op rework of control flow.
109
110 2007-09-19  Richard Sandiford  <rsandifo@nildram.co.uk>
111
112         * config/mips/mips.c (build_mips16_call_stub): Tidy.  Fix second
113         GPR for DCmode on 64-bit targets.  Remove redundant fallback.
114
115 2007-09-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
116
117         * cfgexpand.c (dump_stack_var_partition): Use the correct
118         index for the offset.
119
120 2007-09-19  Joseph Myers  <joseph@codesourcery.com>
121
122         * config/mips/sde.h: Switch to GPLv3.
123
124 2007-09-19  Eric Botcazou  <ebotcazou@adacore.com>
125
126         * tree-sra.c (decide_block_copy): Decide if there are groups.
127
128 2007-09-19  Roman Zippel <zippel@linux-m68k.org>
129
130         * config/m68k/m68k.c (output_move_himode): Remove jump table
131         recognition.
132         config/m68k/m68k.md (lea): Likewise.
133         * config/m68k/m68k.c (print_operand_address): Use simple pc
134         relative addressing.
135
136 2007-09-19  Bernd Schmidt  <bernd.schmidt@analog.com>
137
138         * doc/tm.texi (IS_ASM_LOGICAL_LINE_SEPARATOR): Document new argument.
139         * final.c (IS_ASM_LOGICAL_LINE_SEPARATOR): Provide two-argument default
140         definition.
141         (asm_insn_count): Pass template as second argument to it.
142         * config/avr/avr.h (IS_ASM_LOGICAL_LINE_SEPARATOR): Likewise.
143         * config/pa/pa.h (IS_ASM_LOGICAL_LINE_SEPARATOR): Likewise.
144         * config/stormy16/stormy16.h (IS_ASM_LOGICAL_LINE_SEPARATOR): Likewise.
145         * config/cris/cris.h (IS_ASM_LOGICAL_LINE_SEPARATOR): Likewise.
146         * config/sh/sh.c (IS_ASM_LOGICAL_LINE_SEPARATOR): Likewise.
147         (sh_insn_length_adjustment): Pass template as second argument to it.
148         * config/bfin/bfin.h (IS_ASM_LOGICAL_LINE_SEPARATOR): New macro.
149
150         * config/bfin/bfin.md (define_asm_attributes): New.
151
152 2007-09-19  Jie Zhang  <jie.zhang@analog.com>
153
154         * config.gcc (bfin*-linux-uclibc*): Add ./linux-sysroot-suffix.h
155         to tm_file.
156         * config/bfin/print-sysroot-suffix.sh: New.
157         * config/bfin/t-bfin-elf (EXTRA_PARTS): Remove.
158         (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, MULTILIB_MATCHES,
159         MULTILIB_EXCEPTIONS): Redefine with new multilibs.
160         * config/bfin/t-bfin-uclinux (EXTRA_PARTS): Remove.
161         (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, MULTILIB_MATCHES,
162         MULTILIB_EXCEPTIONS): Redefine with new multilibs.
163         * config/bfin/t-bfin-linux (EXTRA_PARTS): Remove.
164         (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, MULTILIB_MATCHES,
165         MULTILIB_EXCEPTIONS): Redefine with new multilibs.
166         (linux-sysroot-suffix.h): New target.
167         * config/bfin/bfin.opt (mcsync-anomaly): Use Var instead of Mask.
168         (mspecld-anomaly): Likewise.
169         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Renamed from
170         (enum bfin_cpu): ... this. Add BFIN_CPU_BF522, BFIN_CPU_BF525,
171         BFIN_CPU_BF527, BFIN_CPU_BF538, BFIN_CPU_BF539, BFIN_CPU_BF542,
172         BFIN_CPU_BF544, BFIN_CPU_BF548, and BFIN_CPU_BF549.
173         (bfin_si_revision): Declare.
174         (bfin_workarounds): Declare.
175         (WA_SPECULATIVE_LOADS): Define.
176         (ENABLE_WA_SPECULATIVE_LOADS): Define.
177         (WA_SPECULATIVE_SYNCS): Define.
178         (ENABLE_WA_SPECULATIVE_SYNCS): Define.
179         * config/bfin/elf.h (STARTFILE_SPEC): Rename crt532.o to basiccrt.o.
180         (LIB_SPEC): Add %s to the linker scripts.
181         Use proper linker script for bf522, bf525, bf527,
182         bf538, bf539, bf542, bf544, bf548, and bf549.
183         * config/bfin/bfin.c (bfin_si_revision): Define.
184         (bfin_workarounds): Define.
185         (struct bfin_cpu): New.
186         (bfin_cpus): New.
187         (bfin_handle_option): Handle silicon revision part of -mcpu option.
188         (override_options): Set bfin_workarounds.
189         (length_for_loop): Replace TARGET_CSYNC_ANOMALY with
190         ENABLE_WA_SPECULATIVE_SYNCS, TARGET_SPECLD_ANOMALY with
191         ENABLE_WA_SPECULATIVE_LOADS.
192         (bfin_reorg): Likewise.
193         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
194         macros for bf522, bf525, bf527, bf538, bf539,
195         bf542, bf544, bf548, and bf549.
196         Define __SILICON_REVISION__ and __WORKAROUND_* macros if needed.
197         Don't define __ID_SHARED_LIB__ when -msep-data.
198         (TARGET_DEFAULT): Define as 0.
199         (DRIVER_SELF_SPECS): Add -mcpu=bf532 if no -mcpu option.
200         * doc/invoke.texi (Blackfin Options): Document silicon
201         revision part of -mcpu option and it now accepts bf522, bf525,
202         bf527, bf538, bf539, bf542, bf544, bf548, and bf549.
203
204 2007-09-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
205
206         * alias.c (memory_modified_1): Deconstify.
207         (memory_modified_in_insn_p): Don't use const_note_stores.
208         * rtl.h (const_note_stores): Delete.
209         * rtlanal.c (const_note_stores): Likewise.
210
211 2007-09-18  Richard Sandiford  <rsandifo@nildram.co.uk>
212
213         * dse.c (find_shift_sequence): Temporarily revert to forbidding
214         word shifts.
215
216 2007-09-18  Rask Ingemann Lambertsen  <rask@sygehus.dk>
217
218         PR target/33388
219         PR target/33397
220         * config/fr30/fr30.md (addsi3): Check REG_P() before calling REGNO().
221         (addsi_small_int): Likewise.
222         (addsi_big_int): Use rtx_equal_p() instead of REGNO() comparison.
223         (one_cmplsi2): Likewise.
224         (negsi2): Delete.
225         (enter_func): Expand insn using hard_frame_pointer_rtx and
226         stack_pointer_rtx.
227         (*enter_func): New.
228         * config/fr30/fr30.c (fr30_expand_prologue): Check for
229         hard_frame_pointer_rtx instead of using REGNO() check.
230         Properly sign extend GEN_INT() argument.
231
232 2007-09-18  Roman Zippel <zippel@linux-m68k.org>
233
234         * config/m68k/m68k.c (override_options): Remove USE_GAS,
235         use %. syntax.
236         (output_dbcc_and_branch, output_scc_di): Replace all jbcc
237         alternatives with just jcc.
238         * config/m68k/m68k.md (addsi_lshrsi_31, beq0_di, bne0_di,
239         bge0_di, blt0_di, bgtu, bltu, bgeu, bleu, bgtu_rev,
240         bltu_rev, bgeu_rev, bleu_rev, jump, dbne_hi, dbne_si,
241         dbge_hi, dbge_si): Likewise.
242
243 2007-09-18  Roman Zippel <zippel@linux-m68k.org>
244
245         * config/m68k/m68k.md (beq, bne, bgt, blt, bge, ble, bordered,
246         bunordered, buneq, bunge, bungt, bunle, bunlt, bltgt, beq_rev,
247         bne_rev, bgt_rev, blt_rev, bge_rev, ble_rev, bordered_rev,
248         bunordered_rev, buneq_rev, bunge_rev, bungt_rev, bunle_rev,
249         bunlt_rev, bltgt_rev): Replace all fbcc with fjcc.
250
251 2007-09-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
252
253         * config/m68k/m68k-devices.def (51qe): New device.
254         * config/m68k/m68k.c (FL_FOR_isa_c): Remove division unit.  Add it
255         to all uses of FL_FOR_isa_c for compatibility.
256         (all_microarchs): Add cfv1 microarchitecture.
257         (m68k_handle_option): Handle m51qe option.
258         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Handle 51QE.
259         (TUNE_CFV1): New macro.
260         (enum uarch_type): Add ucfv1.
261         * doc/invoke.texi: Document 51qe device and cfv1 microarchitecture.
262         
263 2007-09-18  Richard Guenther  <rguenther@suse.de>
264
265         PR tree-optimization/31863
266         * tree-ssa-structalias.c (create_variable_info_for): Always
267         free the fieldstack.
268
269 2007-09-18  Dorit Nuzman  <dorit@il.ibm.com>
270
271         * opts.c (decode_options): Enable vectorization under -O3.
272
273 2007-09-18  Richard Guenther  <rguenther@suse.de>
274
275         PR tree-optimization/33340
276         * tree-ssa-sccvn.c (set_ssa_val_to): Do not set values to
277         SSA_NAMEs that occur in abnormal PHI nodes.
278
279 2007-09-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
280
281         * tree-cfg.c (is_ctrl_altering_stmt, tree_block_ends_with_call_p):
282         Don't use const_get_call_expr_in.
283         * tree-gimple.c (const_get_call_expr_in): Delete.
284         * tree-gimple.h (const_get_call_expr_in): Likewise.
285
286 2007-09-18  Richard Sandiford  <rsandifo@nildram.co.uk>
287
288         * df-scan.c (df_notes_rescan): Do nothing if the instruction does
289         not yet have a basic block.
290         * dse.c (find_shift_sequence): Don't set DF_NO_INSN_RESCAN.
291
292 2007-09-18  Richard Sandiford  <rsandifo@nildram.co.uk>
293
294         * config/mips/mips.c (mips_file_start): Add ".previous" directives
295         to both ".section"s.
296
297 2007-09-17  Richard Sandiford  <rsandifo@nildram.co.uk>
298
299         * config/mips/mips.c (mips_output_mi_thunk): Use
300         mips_function_ok_for_sibcall and const_call_insn_operand
301         to determine if a direct sibcall is allowed.  Use
302         mips_classify_symbol to determine a global pointer is needed.
303
304 2007-09-17  Richard Sandiford  <rsandifo@nildram.co.uk>
305
306         * config/mips/mips.md (*clear_upper32): Use "W" as the memory operand.
307
308 2007-09-17  Chao-ying Fu  <fu@mips.com>
309             Nigel Stephens  <nigel@mips.com>
310
311         * config/fixed-bit.h: New file.
312         * config/fixed-bit.c: New file.
313         * doc/libgcc.texi (Fixed-point fractional library routines): New node.
314
315 2007-09-18  Jakub Jelinek  <jakub@redhat.com>
316
317         * c-format.h (format_kind_info): Add alloc_char field.
318         * c-format.c (scanf_flag_specs): Add 'm'.
319         (scanf_flag_pairs): Add 'a', 'm' pair.
320         (scan_char_table): Allow 'm' modifier for c, s, [, C and S.
321         (format_types_orig): Add alloc_char fields.
322         (check_format_info_main): Rename aflag to alloc_flag.
323         Handle fki->alloc_char. modifier after width and before length
324         modifiers.  Move FMT_FLAG_SCANF_A_KLUDGE handling before
325         length modifiers as well.
326         * config/sol2-c.c (solaris_format_types): Add alloc_char field.
327
328         PR middle-end/33423
329         * builtins.c (expand_builtin_memory_chk): Handle COMPOUND_EXPRs
330         returned by build_call_expr.
331
332 2007-09-17  Eric Botcazou  <ebotcazou@adacore.com>
333
334         * tree-sra.c (maybe_lookup_element_for_expr) <COMPONENT_REF>: Return
335         NULL for variable-sized records too.
336         (sra_walk_expr) <COMPONENT_REF>: Stop at variable-sized records too.
337
338 2007-09-17  Tom Tromey  <tromey@redhat.com>
339
340         * c-decl.c (pushdecl): Don't set DECL_LANG_SPECIFIC.
341         (c_builtin_function): Likewise.
342         (grokdeclarator): Likewise.
343
344 2007-09-17  Zdenek Dvorak  <ook@ucw.cz>
345
346         PR rtl-optimization/26449
347         * loop-invariant.c (move_invariant_reg): Do not use force_operand.
348         (seq_insns_valid_p): Removed.
349
350 2007-09-17  Eric Botcazou  <ebotcazou@adacore.com>
351
352         * tree-nomudflap.c (gate_mudflap): New static function.
353         (pass_mudflap_1): Use it as gate function.
354         (pass_mudflap_2): Likewise.
355
356 2007-09-17  Jan Hubicka  <jh@suse.cz>
357
358         PR middle-end/33348
359         PR target/33406
360         * loop-invariant.c (move_invariant_reg): Unshare sequence.
361
362 2007-09-17  Victor Kaplansky  <victork@il.ibm.com>
363
364         PR tree-optimization/33319
365         * tree-vect-analyze.c (vect_same_range_drs): New.
366         (vect_vfa_range_equal): New.
367         (vect_is_duplicate_ddr): Removed.
368         (vect_mark_for_runtime_alias_test): Do not perform marking when
369         optimizing for size or max_param for alias checking is zero.
370         Move the function before vect_analyze_data_ref_dependence.
371         (vect_analyze_data_ref_dependence): Add call to
372         vect_mark_for_runtime_alias_test in two cases when dependence
373         is not clear.
374         (vect_analyze_data_ref_dependences): Do not call to
375         vect_mark_for_runtime_alias_test.
376         (vect_prune_runtime_alias_test_list): New.
377         (vect_analyze_loop): Add call to vect_prune_runtime_alias_test_list.
378         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
379         Update vec_outside_cost.
380         (vect_vfa_segment_size): More compact code, use TYPE_SIZE_UNIT.
381         (vect_create_cond_for_alias_checks): Build the base address of data
382         reference from DR_GROUP_FIRST_DR.
383         (vect_loop_versioning): New.
384         (vect_transform_loop): Add a call to vect_loop_versioning.
385         Remove factored out code.
386
387 2007-09-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
388
389         PR middle-end/33273
390         * expr.c (store_expr): Call adjust_address to change mode of dest_mem
391         to BLKmode.
392
393 2007-09-16  Richard Sandiford  <rsandifo@nildram.co.uk>
394
395         * dse.c (find_shift_sequence): Allow word as well as subword shifts.
396         Do the tentative shift expansion with the DF_NO_INSN_RESCAN flag set.
397         Fix the call to insn_rtx_cost.  Skip access sizes that require a
398         real truncation of the store register.  Use convert_move instead
399         of gen_lowpart when narrowing the result.
400         (replace_read): Use convert_move instead of gen_lowpart when
401         narrowing the store rhs.
402
403 2007-09-16  Richard Sandiford  <rsandifo@nildram.co.uk>
404
405         * config/mips/mips.md (SHORT): Fix long line.
406         (SUBDI): New mode iterator.  Extend the shift-and-truncate insns
407         to QImode and HImode.
408
409 2007-09-16  Richard Sandiford  <rsandifo@nildram.co.uk>
410
411         * config/mips/mips.h (POINTERS_EXTEND_UNSIGNED): Define.
412
413 2007-09-15  Zdenek Dvorak  <ook@ucw.cz>
414
415         * tree-parloops.c: New file.
416         * tree-ssa-operands.h (free_stmt_operands): Declare.
417         * tree-ssa-loop-manip.c (split_loop_exit_edge): Return the new basic
418         block.
419         * tree-pass.h (pass_parallelize_loops): Declare.
420         * omp-low.c (expand_omp_parallel, expand_omp_for): Update SSA form for
421         virtual operands.
422         (build_omp_regions_1): Allow analysing just a single OMP region and
423         its subregions.
424         ( build_omp_regions_root, omp_expand_local): New functions.
425         (build_omp_regions): Add argument to build_omp_regions_1 call.
426         * builtins.def (DEF_GOMP_BUILTIN): Initialize OMP builtins when
427         autoparallelization is run.
428         * timevar.def (TV_TREE_PARALLELIZE_LOOPS): New.
429         * tree-ssa-loop.c (gate_tree_parallelize_loops, tree_parallelize_loops,
430         pass_parallelize_loops): New.
431         * common.opt (ftree-parallelize-loops): New.
432         * tree-flow.h (omp_expand_local, tree_duplicate_sese_tail,
433         parallelize_loops): Declare.
434         (add_phi_args_after_copy, split_loop_exit_edge): Declaration changed.
435         * Makefile.in (tree-parloops.o): Added.
436         * tree-cfg.c (add_phi_args_after_copy_edge, tree_duplicate_sese_tail):
437         New functions.
438         (add_phi_args_after_copy_bb): Use add_phi_args_after_copy_edge.
439         (add_phi_args_after_copy): Call add_phi_args_after_copy_edge for
440         one extra edge as well.
441         (tree_duplicate_sese_region): Add argument to add_phi_args_after_copy.
442         Use VEC_free to free doms vector.
443         (move_block_to_fn): Update loop info. Remove phi nodes for virtual
444         operands.  Recompute operand caches in the new function.
445         (move_sese_region_to_fn): Update loop info.
446         * passes.c (init_optimization_passes): Add pass_parallelize_loops.
447         * tree-ssa-operands.c (free_stmt_operands): New function.
448
449         * doc/passes.texi: Document autoparallelization.
450         * doc/invoke.texi (-ftree-parallelize-loops): New option.
451
452 2007-09-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
453
454         PR target/33062
455         * pa.c (function_value): Use GET_MODE_BITSIZE instead of TYPE_PRECISION.
456
457 2007-09-15  Dorit Nuzman  <dorit@il.ibm.com>
458
459         * tree-vect-transform.c (vect_get_vec_defs_for_stmt_copy): check if 
460         the VEC is not NULL.
461         (vectorizable_type_demotion, vectorizable_type_promotion): Check that 
462         get_vectype_for_scalar_type succeeded.
463         (vectorizable_conversion): Likewise.
464
465 2007-09-14  Jan Hubicka  <jh@suse.cz>
466
467         * config/i386/i386.md (*floatdi<mode>2_i387): Guard against
468         TARGET_64BIT.
469
470 2007-09-14  Uros Bizjak  <ubizjak@gmail.com>
471
472         PR target/33438
473         * config/i386/i386.md (fmodxf3): Copy operands[2] to temporary register
474         when operands[2] equals operands[1].
475         (remainderxf3): Ditto.
476
477 2007-09-14  Sandra Loosemore  <sandra@codesourcery.com>
478             Nigel Stephens  <nigel@mips.com>
479
480         * doc/tm.texi (LIBGCC2_UNWIND_ATTRIBUTE): Document.
481         * unwind-generic.h (LIBGCC2_UNWIND_ATTRIBUTE): Define.
482         (_Unwind_RaiseException): Add LIBGCC2_UNWIND_ATTRIBUTE to
483         declaration.
484         (_Unwind_ForcedUnwind): Likewise.
485         (_Unwind_Resume): Likewise.
486         (_Unwind_Resume_or_Rethrow): Likewise.
487         (_Unwind_Backtrace): Likewise.
488         (_Unwind_SjLj_RaiseException): Likewise.
489         (_Unwind_SjLj_ForcedUnwind): Likewise.
490         (_Unwind_SjLj_Resume): Likewise.
491         (_Unwind_SjLj_Resume_or_Rethrow): Likewise.
492         * unwind.inc (_Unwind_RaiseException): Add LIBGCC2_UNWIND_ATTRIBUTE
493         to definition.
494         (_Unwind_ForcedUnwind): Likewise.
495         (_Unwind_Resume): Likewise.
496         (_Unwind_Resume_or_Rethrow): Likewise.
497         (_Unwind_Backtrace): Likewise.
498         * unwind-compat.c (_Unwind_Backtrace): Likewise.
499         (_Unwind_ForcedUnwind): Likewise.
500         (_Unwind_RaiseException): Likewise.
501         (_Unwind_Resume): Likewise.
502         (_Unwind_Resume_or_Rethrow): Likewise.
503
504         * config/mips/mips.h (LIBGCC2_UNWIND_ATTRIBUTE): Define to force
505         nomips16 mode when IN_LIBGCC2 with hard float.
506
507 2007-09-14  Richard Sandiford  <rsandifo@nildram.co.uk>
508
509         * config/mips/sdemtk.opt: Update to GPLv3.
510         * config/mips/sdemtk.h: Likewise.
511
512 2007-09-14  Nigel Stephens  <nigel@mips.com>
513
514         * config.gcc (mips*-*-linux*): Recognise mipsisa32r2 and set
515         MIPS_ISA_DEFAULT appropriately.  Don't make soft-float the default
516         for mipsisa32-*-linux*.
517
518 2007-09-14  Nigel Stephens  <nigel@mips.com>
519             David Ung  <davidu@mips.com>
520             Thiemo Seufer  <ths@mips.com>
521             Richard Sandiford  <richard@codesourcery.com>
522
523         * config.gcc (mips*-sde-elf*): Add support for the SDE C libraries.
524         * configure.ac: Add a mipssde threading type.
525         * configure: Regenerate.
526         * config/mips/sdemtk.h: New file.
527         * config/mips/t-sdemtk: Likewise.
528         * config/mips/sdemtk.opt: Likewise.
529         * gthr-mipssde.h: Likewise.
530         * config/mips/sde.h (FUNCTION_PROFILER): Move to config/mips/sdemtk.h.
531         * config/mips/mips.h (MIPS_SAVE_REG_FOR_PROFILING_P): New macro.
532         (MIPS_ICACHE_SYNC): New macro, split from ...
533         * config/mips/mips.md (clear_cache): ...here.
534         * config/mips/mips.c (mips_save_reg_p): Check
535         MIPS_SAVE_REG_FOR_PROFILING_P on profiled functions.
536         (build_mips16_function_stub): Use targetm.strip_name_encoding.
537         (build_mips16_call_stub): Likewise.
538
539 2007-09-14  Richard Sandiford  <richard@codesourcery.com>
540
541         * Makefile.in (stmp-int-hdrs): Depend on fixinc_list.
542
543 2007-09-14  Jakub Jelinek  <jakub@redhat.com>
544
545         PR target/32337
546         * config/ia64/ia64.c (find_gr_spill): Don't decrement
547         current_frame_info.n_local_regs.  Don't return emitted local
548         regs.
549         (ia64_compute_frame_size): Improve unwind hack to put
550         RP, PFS, FP in that order by allowing some of the registers
551         been already emitted, as long as they are emitted to the
552         desired register.
553
554 2007-09-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
555
556         * config/spu/vmx2spu.h (vec_extract, vec_insert, vec_lvlx,
557         vec_lvlxl, vec_lvrx, vec_lvrxl, vec_promote, vec_splats,
558         vec_stvlx, vec_stvlxl, vec_stvrx, vec_stvrxl): New intrinsics.
559
560 2007-09-13  Eric Christopher  <echristo@apple.com>
561             Kenneth Zadeck <zadeck@naturalbridge.com>
562
563         * dse.c (find_shift_sequence): New function.
564         (replace_read): Add case to remove read if it requires shift.
565         * config/i386/i386.c (ix86_expand_prologue): Fixed typo in comment.
566         
567 2007-09-13  Tom Tromey  <tromey@redhat.com>
568
569         * c-common.c (fname_as_string): Update.
570         * c-parser.c (c_parser) <lex_untranslated_string>: New field.
571         (c_lex_one_token): Update.  Add 'parser' argument.
572         (c_parser_simple_asm_expr): Update.
573         (c_parser_attributes): Update.
574         (c_parser_asm_statement): Update.
575         (c_parser_asm_operands): Update.
576         (c_parser_peek_token): Update.
577         (c_parser_peek_2nd_token): Update.
578         * c-lex.c (c_lex_string_translate): Remove.
579         (c_lex_return_raw_strings): Likewise.
580         (c_lex_with_flags): Added 'lex_flags' argument.
581         (lex_string): Added 'translate' argument.
582         * c-pragma.h (c_lex_with_flags): Update.
583         (c_lex_string_translate, c_lex_return_raw_strings): Remove.
584         (C_LEX_STRING_NO_TRANSLATE): New define.
585         (C_LEX_RAW_STRINGS): Likewise.
586
587 2007-09-13  Bernd Schmidt  <bernd.schmidt@analog.com>
588
589         From Jie Zhang:
590         * config/bfin/bfin.c (enum bfin_builtins): Add BFIN_BUILTIN_ONES,
591         BFIN_BUILTIN_CPLX_MUL_16_S40, BFIN_BUILTIN_CPLX_MAC_16_S40,
592         BFIN_BUILTIN_CPLX_MSU_16_S40, and BFIN_BUILTIN_CPLX_SQU.
593         (bfin_init_builtins): Initialize __builtin_bfin_ones,
594         __builtin_bfin_min_fr1x16, __builtin_bfin_max_fr1x16,
595         __builtin_bfin_min_fr1x32, __builtin_bfin_max_fr1x32,
596         __builtin_bfin_cmplx_add, __builtin_bfin_cmplx_sub,
597         __builtin_bfin_cmplx_mul_s40, __builtin_bfin_cmplx_mac_s40,
598         __builtin_bfin_cmplx_msu_s40 and __builtin_bfin_csqu_fr16.
599         (bdesc_1arg): Add __builtin_bfin_ones.
600         (bfin_expand_builtin): Expand __builtin_bfin_cmplx_mul_s40,
601         __builtin_bfin_cmplx_mac_s40, __builtin_bfin_cmplx_msu_s40,
602         and __builtin_bfin_csqu_fr16.
603         * config/bfin/bfin.md (UNSPEC_ONES): New constant.
604         (ones): New define_insn.
605         (ssaddhi3_parts): New define_insn.
606         (sssubhi3_parts): New define_insn.
607         (flag_mulhi_parts): New define_insn.
608
609 2007-09-13  Seongbae Park <seongbae.park@gmail.com>
610
611         * common.opt (femit-class-debug-always): Turn off by default.
612
613 2007-09-13  Bernd Schmidt  <bernd.schmidt@analog.com>
614
615         * config/bfin/bfin.md (reload_outpdi, reload_inpdi): New patterns.
616         * config/bfin/bfin.c (bfin_secondary_reload): Make sure we use them.
617
618 2007-09-13  James E. Wilson  <wilson@specifix.com>
619
620         PR tree-optimization/33389
621         * tree-ssa-operands.c (append_vuse): If ann->in_vdef_list true,
622         then set build_loads before returning.
623
624 2007-09-13  Sandra Loosemore  <sandra@codesourcery.com>
625             David Ung  <davidu@mips.com>
626
627         * config/mips/mips.h (ASM_OUTPUT_REG_PUSH): Replace {d}subu with
628         {d}addiu and a negative immediate such that it works with MIPS16
629         instructions.
630         
631 2007-09-13  H.J. Lu  <hongjiu.lu@intel.com>
632
633         PR bootstrap/33418
634         * configure.ac (ld_vers): Support Linux linker.
635         * configure: Regenerated.
636
637 2007-09-13  Richard Sandiford  <richard@codesourcery.com>
638             Sandra Loosemore <sandra@codesourcery.com>
639
640         * config/mips/mips.h (SYMBOL_FLAG_MIPS16_FUNC): Delete.
641         (SYMBOL_REF_MIPS16_FUNC_P): Delete.
642         * config/mips/mips.c (mips_attribute_table): Turn mips16 and
643         nomips16 into decl attributes.
644         (TARGET_INSERT_ATTRIBUTES): Override.
645         (TARGET_MERGE_DECL_ATTRIBUTES): Likewise.
646         (TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P): Always return true.
647         (mips_mips16_type_p, mips_nomips16_type_p): Delete in favor of...
648         (mips_mips16_decl_p, mips_nomips16_decl_p): ...these new functions.
649         (mips_comp_type_attributes): Remove mips16 and nomips16 handling.
650         (mips_use_mips16_mode_p): Reimplement as a function that takes
651         a decl and considers only decl attributes.  If the decl is nested
652         function, use its parent attributes.
653         (mips_function_ok_for_sibcall): Use mips_use_mips16_mode_p
654         instead of SYMBOL_REF_MIPS16_FUNC_P.
655         (mips_set_mips16_mode): Move call to sorry here from old
656         mips_use_mips16_mode_p.
657         (mflip_mips16_entry): New structure.
658         (mflip_mips16_htab): New variable.
659         (mflip_mips16_htab_hash, mflip_mips16_htab_eq): New functions.
660         (mflip_mips16_use_mips16_p, mips_insert_attributes): Likewise.
661         (mips_merge_decl_attributes): New function.
662         (mips_set_current_function): Reinstate call to mips_set_mips16_mode.
663         Use mips_use_mips16_mode_p.
664         (mips_output_mi_thunk): Use mips_use_mips16_mode_p instead of
665         SYMBOL_REF_MIPS16_FUNC_P.
666         (mips_encode_section_info): Don't set SYMBOL_FLAG_MIPS16_FUNC.
667
668 2007-09-13  Richard Sandiford  <richard@codesourcery.com>
669
670         * c-parser.c (c_parser_struct_declaration): Check for a null return.
671
672 2007-09-13  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
673
674         PR driver/33309
675         * gcc.c (xputenv): Make argument const, and use CONST_CAST.
676
677 2007-09-12  Michael Meissner  <michael.meissner@amd.com>
678             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
679             Tony Linthicum  <tony.linthicum@amd.com>
680
681         * tree.h (function_args_iterator): New type to iterate over
682         function arguments.
683         (FOREACH_FUNCTION_ARGS_PTR): Iterator macros for iterating over
684         function arguments providing a pointer to the argument.
685         (FOREACH_FUNCTION_ARGS): Iterator macros for iterating over
686         function arguments providing the argument.
687         (function_args_iter_init): Inline function to initialize
688         function_args_iterator.
689         (function_args_iter_cond_ptr): Inline function to return the next
690         pointer to hold the argument.
691         (function_args_iter_cond): Inline function to return the next
692         argument.
693         (function_args_iter_cond_next): Advance the function args
694         iterator.
695         (stdarg_p): New function, return true if variable argument
696         function.
697         (prototype_p): New function, return true if function is
698         prototyped.
699         (function_args_count): New function, count the number of arguments
700         of a function.
701
702         * tree.c (stdarg_p): New function, return true if variable
703         argument function.
704         (prototype_p): New function, return true if function is
705         prototyped.
706
707         * config/i386/i386.h (TARGET_SSE5): New macro for SSE5.
708         (TARGET_ROUND): New macro for the round/ptest instructions which
709         are shared between SSE4.1 and SSE5.
710         (OPTION_MASK_ISA_ROUND): Ditto.
711         (OPTION_ISA_ROUND): Ditto.
712         (TARGET_FUSED_MADD): New macro for -mfused-madd swtich.
713         (TARGET_CPU_CPP_BUILTINS): Add SSE5 support.
714
715         * config/i386/i386.opt (-msse5): New switch for SSE5 support.
716         (-mfused-madd): New switch to give users control over whether the
717         compiler optimizes to use the multiply/add SSE5 instructions.
718
719         * config/i386/i386.c (m_AMD_MULTIPLE): Rename from
720         m_ATHLON_K8_AMDFAM10, and change all uses.
721         (enum pta_flags): Add PTA_SSE5.
722         (ix86_handle_option): Turn off 3dnow if -msse5.
723         (override_options): Add SSE5 support.
724         (print_operand): %Y prints comparison codes for SSE5 com/pcom
725         instructions.
726         (ix86_expand_sse_movcc): Add SSE5 support.
727         (ix86_expand_sse5_unpack): New function to use pperm to unpack a
728         vector type to the next largest size.
729         (ix86_expand_sse5_pack): New function to use pperm to pack a
730         vector type to the next smallest size.
731         (IX86_BUILTIN_FMADDSS): New for SSE5 intrinsic.
732         (IX86_BUILTIN_FMADDSD): Ditto.
733         (IX86_BUILTIN_FMADDPS): Ditto.
734         (IX86_BUILTIN_FMADDPD): Ditto.
735         (IX86_BUILTIN_FMSUBSS): Ditto.
736         (IX86_BUILTIN_FMSUBSD): Ditto.
737         (IX86_BUILTIN_FMSUBPS): Ditto.
738         (IX86_BUILTIN_FMSUBPD): Ditto.
739         (IX86_BUILTIN_FNMADDSS): Ditto.
740         (IX86_BUILTIN_FNMADDSD): Ditto.
741         (IX86_BUILTIN_FNMADDPS): Ditto.
742         (IX86_BUILTIN_FNMADDPD): Ditto.
743         (IX86_BUILTIN_FNMSUBSS): Ditto.
744         (IX86_BUILTIN_FNMSUBSD): Ditto.
745         (IX86_BUILTIN_FNMSUBPS): Ditto.
746         (IX86_BUILTIN_FNMSUBPD): Ditto.
747         (IX86_BUILTIN_PCMOV_V2DI): Ditto.
748         (IX86_BUILTIN_PCMOV_V4SI): Ditto.
749         (IX86_BUILTIN_PCMOV_V8HI): Ditto.
750         (IX86_BUILTIN_PCMOV_V16QI): Ditto.
751         (IX86_BUILTIN_PCMOV_V4SF): Ditto.
752         (IX86_BUILTIN_PCMOV_V2DF): Ditto.
753         (IX86_BUILTIN_PPERM): Ditto.
754         (IX86_BUILTIN_PERMPS): Ditto.
755         (IX86_BUILTIN_PERMPD): Ditto.
756         (IX86_BUILTIN_PMACSSWW): Ditto.
757         (IX86_BUILTIN_PMACSWW): Ditto.
758         (IX86_BUILTIN_PMACSSWD): Ditto.
759         (IX86_BUILTIN_PMACSWD): Ditto.
760         (IX86_BUILTIN_PMACSSDD): Ditto.
761         (IX86_BUILTIN_PMACSDD): Ditto.
762         (IX86_BUILTIN_PMACSSDQL): Ditto.
763         (IX86_BUILTIN_PMACSSDQH): Ditto.
764         (IX86_BUILTIN_PMACSDQL): Ditto.
765         (IX86_BUILTIN_PMACSDQH): Ditto.
766         (IX86_BUILTIN_PMADCSSWD): Ditto.
767         (IX86_BUILTIN_PMADCSWD): Ditto.
768         (IX86_BUILTIN_PHADDBW): Ditto.
769         (IX86_BUILTIN_PHADDBD): Ditto.
770         (IX86_BUILTIN_PHADDBQ): Ditto.
771         (IX86_BUILTIN_PHADDWD): Ditto.
772         (IX86_BUILTIN_PHADDWQ): Ditto.
773         (IX86_BUILTIN_PHADDDQ): Ditto.
774         (IX86_BUILTIN_PHADDUBW): Ditto.
775         (IX86_BUILTIN_PHADDUBD): Ditto.
776         (IX86_BUILTIN_PHADDUBQ): Ditto.
777         (IX86_BUILTIN_PHADDUWD): Ditto.
778         (IX86_BUILTIN_PHADDUWQ): Ditto.
779         (IX86_BUILTIN_PHADDUDQ): Ditto.
780         (IX86_BUILTIN_PHSUBBW): Ditto.
781         (IX86_BUILTIN_PHSUBWD): Ditto.
782         (IX86_BUILTIN_PHSUBDQ): Ditto.
783         (IX86_BUILTIN_PROTB): Ditto.
784         (IX86_BUILTIN_PROTW): Ditto.
785         (IX86_BUILTIN_PROTD): Ditto.
786         (IX86_BUILTIN_PROTQ): Ditto.
787         (IX86_BUILTIN_PROTB_IMM): Ditto.
788         (IX86_BUILTIN_PROTW_IMM): Ditto.
789         (IX86_BUILTIN_PROTD_IMM): Ditto.
790         (IX86_BUILTIN_PROTQ_IMM): Ditto.
791         (IX86_BUILTIN_PSHLB): Ditto.
792         (IX86_BUILTIN_PSHLW): Ditto.
793         (IX86_BUILTIN_PSHLD): Ditto.
794         (IX86_BUILTIN_PSHLQ): Ditto.
795         (IX86_BUILTIN_PSHAB): Ditto.
796         (IX86_BUILTIN_PSHAW): Ditto.
797         (IX86_BUILTIN_PSHAD): Ditto.
798         (IX86_BUILTIN_PSHAQ): Ditto.
799         (IX86_BUILTIN_FRCZSS): Ditto.
800         (IX86_BUILTIN_FRCZSD): Ditto.
801         (IX86_BUILTIN_FRCZPS): Ditto.
802         (IX86_BUILTIN_FRCZPD): Ditto.
803         (IX86_BUILTIN_CVTPH2PS): Ditto.
804         (IX86_BUILTIN_CVTPS2PH): Ditto.
805         (IX86_BUILTIN_COMEQSS): Ditto.
806         (IX86_BUILTIN_COMNESS): Ditto.
807         (IX86_BUILTIN_COMLTSS): Ditto.
808         (IX86_BUILTIN_COMLESS): Ditto.
809         (IX86_BUILTIN_COMGTSS): Ditto.
810         (IX86_BUILTIN_COMGESS): Ditto.
811         (IX86_BUILTIN_COMUEQSS): Ditto.
812         (IX86_BUILTIN_COMUNESS): Ditto.
813         (IX86_BUILTIN_COMULTSS): Ditto.
814         (IX86_BUILTIN_COMULESS): Ditto.
815         (IX86_BUILTIN_COMUGTSS): Ditto.
816         (IX86_BUILTIN_COMUGESS): Ditto.
817         (IX86_BUILTIN_COMORDSS): Ditto.
818         (IX86_BUILTIN_COMUNORDSS): Ditto.
819         (IX86_BUILTIN_COMFALSESS): Ditto.
820         (IX86_BUILTIN_COMTRUESS): Ditto.
821         (IX86_BUILTIN_COMEQSD): Ditto.
822         (IX86_BUILTIN_COMNESD): Ditto.
823         (IX86_BUILTIN_COMLTSD): Ditto.
824         (IX86_BUILTIN_COMLESD): Ditto.
825         (IX86_BUILTIN_COMGTSD): Ditto.
826         (IX86_BUILTIN_COMGESD): Ditto.
827         (IX86_BUILTIN_COMUEQSD): Ditto.
828         (IX86_BUILTIN_COMUNESD): Ditto.
829         (IX86_BUILTIN_COMULTSD): Ditto.
830         (IX86_BUILTIN_COMULESD): Ditto.
831         (IX86_BUILTIN_COMUGTSD): Ditto.
832         (IX86_BUILTIN_COMUGESD): Ditto.
833         (IX86_BUILTIN_COMORDSD): Ditto.
834         (IX86_BUILTIN_COMUNORDSD): Ditto.
835         (IX86_BUILTIN_COMFALSESD): Ditto.
836         (IX86_BUILTIN_COMTRUESD): Ditto.
837         (IX86_BUILTIN_COMEQPS): Ditto.
838         (IX86_BUILTIN_COMNEPS): Ditto.
839         (IX86_BUILTIN_COMLTPS): Ditto.
840         (IX86_BUILTIN_COMLEPS): Ditto.
841         (IX86_BUILTIN_COMGTPS): Ditto.
842         (IX86_BUILTIN_COMGEPS): Ditto.
843         (IX86_BUILTIN_COMUEQPS): Ditto.
844         (IX86_BUILTIN_COMUNEPS): Ditto.
845         (IX86_BUILTIN_COMULTPS): Ditto.
846         (IX86_BUILTIN_COMULEPS): Ditto.
847         (IX86_BUILTIN_COMUGTPS): Ditto.
848         (IX86_BUILTIN_COMUGEPS): Ditto.
849         (IX86_BUILTIN_COMORDPS): Ditto.
850         (IX86_BUILTIN_COMUNORDPS): Ditto.
851         (IX86_BUILTIN_COMFALSEPS): Ditto.
852         (IX86_BUILTIN_COMTRUEPS): Ditto.
853         (IX86_BUILTIN_COMEQPD): Ditto.
854         (IX86_BUILTIN_COMNEPD): Ditto.
855         (IX86_BUILTIN_COMLTPD): Ditto.
856         (IX86_BUILTIN_COMLEPD): Ditto.
857         (IX86_BUILTIN_COMGTPD): Ditto.
858         (IX86_BUILTIN_COMGEPD): Ditto.
859         (IX86_BUILTIN_COMUEQPD): Ditto.
860         (IX86_BUILTIN_COMUNEPD): Ditto.
861         (IX86_BUILTIN_COMULTPD): Ditto.
862         (IX86_BUILTIN_COMULEPD): Ditto.
863         (IX86_BUILTIN_COMUGTPD): Ditto.
864         (IX86_BUILTIN_COMUGEPD): Ditto.
865         (IX86_BUILTIN_COMORDPD): Ditto.
866         (IX86_BUILTIN_COMUNORDPD): Ditto.
867         (IX86_BUILTIN_COMFALSEPD): Ditto.
868         (IX86_BUILTIN_COMTRUEPD): Ditto.
869         (IX86_BUILTIN_PCOMEQUB): Ditto.
870         (IX86_BUILTIN_PCOMNEUB): Ditto.
871         (IX86_BUILTIN_PCOMLTUB): Ditto.
872         (IX86_BUILTIN_PCOMLEUB): Ditto.
873         (IX86_BUILTIN_PCOMGTUB): Ditto.
874         (IX86_BUILTIN_PCOMGEUB): Ditto.
875         (IX86_BUILTIN_PCOMFALSEUB): Ditto.
876         (IX86_BUILTIN_PCOMTRUEUB): Ditto.
877         (IX86_BUILTIN_PCOMEQUW): Ditto.
878         (IX86_BUILTIN_PCOMNEUW): Ditto.
879         (IX86_BUILTIN_PCOMLTUW): Ditto.
880         (IX86_BUILTIN_PCOMLEUW): Ditto.
881         (IX86_BUILTIN_PCOMGTUW): Ditto.
882         (IX86_BUILTIN_PCOMGEUW): Ditto.
883         (IX86_BUILTIN_PCOMFALSEUW): Ditto.
884         (IX86_BUILTIN_PCOMTRUEUW): Ditto.
885         (IX86_BUILTIN_PCOMEQUD): Ditto.
886         (IX86_BUILTIN_PCOMNEUD): Ditto.
887         (IX86_BUILTIN_PCOMLTUD): Ditto.
888         (IX86_BUILTIN_PCOMLEUD): Ditto.
889         (IX86_BUILTIN_PCOMGTUD): Ditto.
890         (IX86_BUILTIN_PCOMGEUD): Ditto.
891         (IX86_BUILTIN_PCOMFALSEUD): Ditto.
892         (IX86_BUILTIN_PCOMTRUEUD): Ditto.
893         (IX86_BUILTIN_PCOMEQUQ): Ditto.
894         (IX86_BUILTIN_PCOMNEUQ): Ditto.
895         (IX86_BUILTIN_PCOMLTUQ): Ditto.
896         (IX86_BUILTIN_PCOMLEUQ): Ditto.
897         (IX86_BUILTIN_PCOMGTUQ): Ditto.
898         (IX86_BUILTIN_PCOMGEUQ): Ditto.
899         (IX86_BUILTIN_PCOMFALSEUQ): Ditto.
900         (IX86_BUILTIN_PCOMTRUEUQ): Ditto.
901         (IX86_BUILTIN_PCOMEQB): Ditto.
902         (IX86_BUILTIN_PCOMNEB): Ditto.
903         (IX86_BUILTIN_PCOMLTB): Ditto.
904         (IX86_BUILTIN_PCOMLEB): Ditto.
905         (IX86_BUILTIN_PCOMGTB): Ditto.
906         (IX86_BUILTIN_PCOMGEB): Ditto.
907         (IX86_BUILTIN_PCOMFALSEB): Ditto.
908         (IX86_BUILTIN_PCOMTRUEB): Ditto.
909         (IX86_BUILTIN_PCOMEQW): Ditto.
910         (IX86_BUILTIN_PCOMNEW): Ditto.
911         (IX86_BUILTIN_PCOMLTW): Ditto.
912         (IX86_BUILTIN_PCOMLEW): Ditto.
913         (IX86_BUILTIN_PCOMGTW): Ditto.
914         (IX86_BUILTIN_PCOMGEW): Ditto.
915         (IX86_BUILTIN_PCOMFALSEW): Ditto.
916         (IX86_BUILTIN_PCOMTRUEW): Ditto.
917         (IX86_BUILTIN_PCOMEQD): Ditto.
918         (IX86_BUILTIN_PCOMNED): Ditto.
919         (IX86_BUILTIN_PCOMLTD): Ditto.
920         (IX86_BUILTIN_PCOMLED): Ditto.
921         (IX86_BUILTIN_PCOMGTD): Ditto.
922         (IX86_BUILTIN_PCOMGED): Ditto.
923         (IX86_BUILTIN_PCOMFALSED): Ditto.
924         (IX86_BUILTIN_PCOMTRUED): Ditto.
925         (IX86_BUILTIN_PCOMEQQ): Ditto.
926         (IX86_BUILTIN_PCOMNEQ): Ditto.
927         (IX86_BUILTIN_PCOMLTQ): Ditto.
928         (IX86_BUILTIN_PCOMLEQ): Ditto.
929         (IX86_BUILTIN_PCOMGTQ): Ditto.
930         (IX86_BUILTIN_PCOMGEQ): Ditto.
931         (IX86_BUILTIN_PCOMFALSEQ): Ditto.
932         (IX86_BUILTIN_PCOMTRUEQ): Ditto.
933         (bdesc_ptest): Change OPTION_MASK_ISA_SSE4_1 to
934         OPTION_MASK_ISA_ROUND for instructions that are shared between
935         SSE4.1 and SSE5.
936         (bdesc_2arg): Ditto.
937         (bdesc_sse_3arg): Ditto.
938         (enum multi_arg_type): New enum for describing the various SSE5
939         intrinsic argument types.
940         (bdesc_multi_arg): New table for SSE5 intrinsics.
941         (ix86_init_mmx_sse_builtins): Add SSE5 intrinsic support.
942         (ix86_expand_multi_arg_builtin): New function for creating SSE5
943         intrinsics.
944         (ix86_expand_builtin): Add SSE5 intrinsic support.
945         (ix86_sse5_valid_op_p): New function to validate SSE5 3 and 4
946         operand instructions.
947         (ix86_expand_sse5_multiple_memory): New function to split the
948         second memory reference from SSE5 instructions.
949         (type_has_variadic_args_p): Delete in favor of stdarg_p.
950         (ix86_return_pops_args): Use stdarg_p to determine if the function
951         has variable arguments.
952         (ix86_setup_incoming_varargs): Ditto.
953         (x86_this_parameter): Ditto.
954
955         * config/i386/i386-protos.h (ix86_expand_sse5_unpack): Add
956         declaration.
957         (ix86_expand_sse5_pack): Ditto.
958         (ix86_sse5_valid_op_p): Ditto.
959         (ix86_expand_sse5_multiple_memory): Ditto.
960
961         * config/i386/i386.md (UNSPEC_SSE5_INTRINSIC): Add new UNSPEC
962         constant for SSE5 support.
963         (UNSPEC_SSE5_UNSIGNED_CMP): Ditto.
964         (UNSPEC_SSE5_TRUEFALSE): Ditto.
965         (UNSPEC_SSE5_PERMUTE): Ditto.
966         (UNSPEC_SSE5_ASHIFT): Ditto.
967         (UNSPEC_SSE5_LSHIFT): Ditto.
968         (UNSPEC_FRCZ): Ditto.
969         (UNSPEC_CVTPH2PS): Ditto.
970         (UNSPEC_CVTPS2PH): Ditto.
971         (PCOM_FALSE): Add new constant for true/false SSE5 comparisons.
972         (PCOM_TRUE): Ditto.
973         (COM_FALSE_S): Ditto.
974         (COM_FALSE_P): Ditto.
975         (COM_TRUE_S): Ditto.
976         (COM_TRUE_P): Ditto.
977         (type attribute): Add ssemuladd, sseiadd1, ssecvt1, sse4arg types.
978         (unit attribute): Add support for ssemuladd, ssecvt1, sseiadd1 sse4arg
979         types.
980         (memory attribute): Ditto.
981         (sse4_1_round<mode>2): Use TARGET_ROUND instead of TARGET_SSE4_1.
982         Use SSE4_1_ROUND_* constants instead of hard coded numbers.
983         (rint<mode>2): Use TARGET_ROUND instead of TARGET_SSE4_1.
984         (floor<mode>2): Ditto.
985         (ceil<mode>2): Ditto.
986         (btrunc<mode>2): Ditto.
987         (nearbyintdf2): Ditto.
988         (nearbyintsf2): Ditto.
989         (sse_setccsf): Disable if SSE5.
990         (sse_setccdf): Ditto.
991         (sse5_setcc<mode>): New support for SSE5 conditional move.
992         (sse5_pcmov_<mode>): Ditto.
993
994         * config/i386/sse.md (SSEMODE1248): New mode iterator for SSE5.
995         (SSEMODEF4): Ditto.
996         (SSEMODEF2P): Ditto.
997         (ssemodesuffixf4): New mode attribute for SSE5.
998         (ssemodesuffixf2s): Ditto.
999         (ssemodesuffixf2c): Ditto.
1000         (sserotatemax): Ditto.
1001         (ssescalarmode): Ditto.
1002         (sse_maskcmpv4sf3): Disable if SSE5.
1003         (sse_maskcmpv2df3): Ditto.
1004         (sse_vmmaskcmpv4sf3): Ditto.
1005         (sse5_fmadd<mode>4): Add SSE5 floating point multiply/add
1006         instructions.
1007         (sse5_vmfmadd<mode>4): Ditto.
1008         (sse5_fmsub<mode>4): Ditto.
1009         (sse5_vmfmsub<mode>4): Ditto.
1010         (sse5_fnmadd<mode>4): Ditto.
1011         (sse5_vmfnmadd<mode>4): Ditto.
1012         (sse5_fnmsub<mode>4): Ditto.
1013         (sse5_vmfnmsub<mode>4): Ditto.
1014         (sse5i_fmadd<mode>4): Ditto.
1015         (sse5i_fmsub<mode>4): Ditto.
1016         (sse5i_fnmadd<mode>4): Ditto.
1017         (sse5i_fnmsub<mode>4): Ditto.
1018         (sse5i_vmfmadd<mode>4): Ditto.
1019         (sse5i_vmfmsub<mode>4): Ditto.
1020         (sse5i_vmfnmadd<mode>4): Ditto.
1021         (sse5i_vmfnmsub<mode>4): Ditto.
1022         (mulv16qi3): Add SSE5 support.
1023         (mulv4si3): Ditto.
1024         (sse5_mulv4si3): New insn for 32-bit multiply support on SSE5.
1025         (sse2_mulv4si3): Disable if SSE5.
1026         (sse4_1_roundpd): Use TARGET_ROUND instead of TARGET_SSE4_1.
1027         (sse4_1_roundps): Ditto.
1028         (sse4_1_roundsd): Ditto.
1029         (sse4_1_roundss): Ditto.
1030         (sse_maskcmpv4sf3): Disable if SSE5 so the SSE5 instruction will
1031         be generated.
1032         (sse_maskcmpsf3): Ditto.
1033         (sse_vmmaskcmpv4sf3): Ditto.
1034         (sse2_maskcmpv2df3): Ditto.
1035         (sse2_maskcmpdf3): Ditto.
1036         (sse2_vmmaskcmpv2df3): Ditto.
1037         (sse2_eq<mode>3): Ditto.
1038         (sse2_gt<mode>3): Ditto.
1039         (sse5_pcmov_<mode>): Add SSE5 support.
1040         (vec_unpacku_hi_v16qi): Ditto.
1041         (vec_unpacks_hi_v16qi): Ditto.
1042         (vec_unpacku_lo_v16qi): Ditto.
1043         (vec_unpacks_lo_v16qi): Ditto.
1044         (vec_unpacku_hi_v8hi): Ditto.
1045         (vec_unpacks_hi_v8hi): Ditto.
1046         (vec_unpacku_lo_v8hi): Ditto.
1047         (vec_unpacks_lo_v8hi): Ditto.
1048         (vec_unpacku_hi_v4si): Ditto.
1049         (vec_unpacks_hi_v4si): Ditto.
1050         (vec_unpacku_lo_v4si): Ditto.
1051         (vec_unpacks_lo_v4si): Ditto.
1052         (sse5_pmacsww): New SSE5 intrinsic insn.
1053         (sse5_pmacssww): Ditto.
1054         (sse5_pmacsdd): Ditto.
1055         (sse5_pmacssdd): Ditto.
1056         (sse5_pmacssdql): Ditto.
1057         (sse5_pmacssdqh): Ditto.
1058         (sse5_pmacsdqh): Ditto.
1059         (sse5_pmacsswd): Ditto.
1060         (sse5_pmacswd): Ditto.
1061         (sse5_pmadcsswd): Ditto.
1062         (sse5_pmadcswd): Ditto.
1063         (sse5_pcmov_<move>): Conditional move support on SSE5.
1064         (sse5_phaddbw): New SSE5 intrinsic insn.
1065         (sse5_phaddbd): Ditto.
1066         (sse5_phaddbq): Ditto.
1067         (sse5_phaddwd): Ditto.
1068         (sse5_phaddwq): Ditto.
1069         (sse5_phadddq): Ditto.
1070         (sse5_phaddubw): Ditto.
1071         (sse5_phaddubd): Ditto.
1072         (sse5_phaddubq): Ditto.
1073         (sse5_phadduwd): Ditto.
1074         (sse5_phadduwq): Ditto.
1075         (sse5_phaddudq): Ditto.
1076         (sse5_phsubbw): Ditto.
1077         (sse5_phsubwd): Ditto.
1078         (sse5_phsubdq): Ditto.
1079         (sse5_pperm): Ditto.
1080         (sse5_pperm_sign_v16qi_v8hi): New insns for pack/unpack with SSE5.
1081         (sse5_pperm_zero_v16qi_v8hi): Ditto.
1082         (sse5_pperm_sign_v8hi_v4si): Ditto.
1083         (sse5_pperm_zero_v8hi_v4si): Ditto.
1084         (sse5_pperm_sign_v4si_v2di): Ditto.
1085         (sse5_pperm_sign_v4si_v2di): Ditto.
1086         (sse5_pperm_pack_v2di_v4si): Ditto.
1087         (sse5_pperm_pack_v4si_v8hi): Ditto.
1088         (sse5_pperm_pack_v8hi_v16qi): Ditto.
1089         (sse5_perm<mode>): New SSE5 intrinsic insn.
1090         (rotl<mode>3): Ditto.
1091         (sse5_rotl<mode>3): Ditto.
1092         (sse5_ashl<mode>3): Ditto.
1093         (sse5_lshl<mode>3): Ditto.
1094         (sse5_frcz<mode>2): Ditto.
1095         (sse5s_frcz<mode>2): Ditto.
1096         (sse5_cvtph2ps): Ditto.
1097         (sse5_cvtps2ph): Ditto.
1098         (sse5_vmmaskcmp<mode>3): Ditto.
1099         (sse5_com_tf<mode>3): Ditto.
1100         (sse5_maskcmp<mode>3): Ditto.
1101         (sse5_maskcmp_uns<mode>3): Ditto.
1102         (sse5_maskcmp_uns2<mode>3): Ditto.
1103         (sse5_pcom_tf<mode>3): Ditto.
1104         
1105         * config/i386/predicates.md (const_0_to_31_operand): New predicate
1106         to match 0..31.
1107         (sse5_comparison_float_operator): New predicate to match the
1108         comparison operators supported by the SSE5 com instruction.
1109         (ix86_comparison_int_operator): New predicate to match just the
1110         signed int comparisons.
1111         (ix86_comparison_uns_operator): New predicate to match just the
1112         unsigned int comparisons.
1113
1114         * doc/invoke.texi (-msse5): Add documentation.
1115         (-mfused-madd): Ditto.
1116
1117         * doc/extend.texi (x86 intrinsics): Document new SSE5 intrinsics.
1118
1119         * config.gcc (i[34567]86-*-*): Include bmmintrin.h and
1120         mmintrin-common.h.
1121         (x86_64-*-*): Ditto.
1122
1123         * config/i386/cpuid.h (bit_SSE5): Define SSE5 bit.
1124
1125         * config/i386/bmmintrin.h: New file, provide common x86 compiler
1126         intrinisics for SSE5.
1127
1128         * config/i386/smmintrin.h: Move instructions shared with SSE5 to
1129         mmintrin-common.h.
1130
1131         * config/i386/mmintrin-common.h: New file, to contain common
1132         instructions between SSE4.1 and SSE5.
1133
1134         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration): Use
1135         FOREACH_FUNCTION_ARGS to iterate over the argument list.
1136         (gen_regparm_prefix): Ditto.
1137
1138         * config/i386/winnt.c (gen_stdcall_or_fastcall_suffix): Use
1139         FOREACH_FUNCTION_ARGS to iterate over the argument list.  Use
1140         prototype_p to determine if a function is prototyped.
1141
1142 2007-09-12  Janis Johnson  <janis187@us.ibm.com>
1143
1144         * config/dfp-bit.c (dfp_conversion_exception): New function.
1145         (DFP_TO_DFP) Add new variants to use direct conversions in decNumber.
1146         (DFP_TO_INT): Ditto.
1147         (INT_TO_DFP): Ditto.
1148         * config/dfp-bit.h (DEC_FLOAT_FROM_INT, DEC_FLOAT_TO_INT): New.
1149
1150 2007-09-12  Jakub Jelinek  <jakub@redhat.com>
1151
1152         PR target/32338
1153         * config/ia64/ia64.c (ia64_expand_epilogue): Emit blockage
1154         before sp restoration even when total_size is 0, but
1155         frame_pointer_needed.
1156
1157 2007-09-12  Bob Wilson  <bob.wilson@acm.org>
1158
1159         * config/xtensa/xtensa.c (machine_function): Add vararg_a7_copy.
1160         (xtensa_copy_incoming_a7): Use start_sequence instead of
1161         push_to_sequence.  Stash insns in vararg_a7_copy for builtin_saveregs.
1162         (xtensa_builtin_saveregs): Place code from vararg_a7_copy at the start
1163         of the saveregs sequence.
1164
1165 2007-09-12  Richard Sandiford  <richard@codesourcery.com>
1166
1167         * c-tree.h (grokfield): Add a "tree *" argument.
1168         * c-decl.c (grokdeclarator): Take a pointer to the decl's attributes.
1169         Chain nested decl attributes to it.  Don't call decl_attributes here.
1170         (groktypename): Pass grokdeclarator a pointer to the attribute list.
1171         (start_decl, grokparm, push_parm_decl, start_function): Likewise.
1172         (grokfield): Take a pointer to the decl's attributes and pass
1173         it to grokdeclarator.
1174         * c-parser.c (c_parser_struct_declaration): Update the calls to
1175         grokfield.  Call decl_attributes for anonymous struct and union
1176         fields.
1177
1178 2007-09-12  Jan Hubicka  <jh@suse.cz>
1179
1180         * c-objc-common.h (LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION): Kill.
1181
1182 2007-09-12  Ira Rosen  <irar@il.ibm.com>
1183
1184         PR tree-optimization/32377
1185         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Distinguish
1186         between positive and negative dependence distance using DDR_REVERSED_P.
1187
1188 2007-09-12  Dorit Nuzman  <dorit@il.ibm.com>
1189
1190         PR tree-optimization/33373
1191         * tree-vect-analyze (vect_determine_vectorization_factor): Call 
1192         TREE_INT_CST_LOW when comparing TYPE_SIZE_UNIT. 
1193
1194 2007-09-12  Jan Hubicka  <jh@suse.cz>
1195
1196         PR target/33393
1197         * i386.md (floatsisf2_mixed_memory, floatsisf2_sse_memory): Disable for
1198         !SSE_MATH
1199
1200 2007-09-12  Christian Bruel  <christian.bruel@st.com>
1201
1202         * sh.h (SH_DBX_REGISTER_NUMBER): Added fpscr, fixed sr/gbr regs.
1203         * linux-unwind.h (SH_DWARF_FRAME_GBR): fixed. 
1204         
1205 2007-09-12  Ira Rosen  <irar@il.ibm.com>
1206
1207         * tree-vect-transform.c (vect_get_slp_defs): Don't build a vector
1208         for oprnd1 if not required.
1209         (vectorizable_operation): Use scalar operand in SLP in case of 
1210         shift with scalar argument.
1211
1212 2007-09-12  Ira Rosen  <irar@il.ibm.com>
1213
1214         * params.def (PARAM_MIN_VECT_LOOP_BOUND): Change default and minimum 
1215         to 1.
1216
1217 2007-09-11  James E. Wilson  <wilson@specifix.com>
1218
1219         * defaults.h (DWARF2_UNWIND_INFO): Don't define if
1220         TARGET_UNWIND_INFO is defined.
1221         * config/ia64/ia64.h (INCOMING_RETURN_ADDR_RTX): Delete undef
1222         after definition.
1223
1224 2007-09-12  Kaz Kojima  <kkojima@gcc.gnu.org>
1225
1226         * config/sh/sh.c (calc_live_regs): Use
1227         current_function_saves_all_registers instead of
1228         current_function_has_nonlocal_label.
1229         (sh_allocate_initial_value): Likewise.
1230         (sh_get_pr_initial_val): Likewise.
1231         * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Likewise.
1232         * config/sh/sh.md (load_ra): Likewise.
1233
1234 2007-09-12  Hans-Peter Nilsson  <hp@axis.com>
1235
1236         * config/cris/t-linux (LIMITS_H_TEST): Only define if not inhibit_libc.
1237
1238         PR target/33360
1239         * config/cris/cris.c (cris_expand_pic_call_address): Fix typo in
1240         GET_CODE (x) == CONST_INT to CONST_INT_P (x) transformation.
1241
1242 2007-09-12  Sa Liu  <saliu@de.ibm.com>
1243
1244         * config/spu/spu.c (spu_emit_branch_or_set): Handle NaN values as
1245         operands to DFmode GE or LE compares.
1246
1247 2007-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
1248
1249         * config/bfin/bfin.h (enum reg_class, REG_CLASS_CONTENTS,
1250         REG_CLASS_NAMES): Add P0REGS.
1251         (REGNO_REG_CLASS): Return it where appropriate.
1252         (REG_CLASS_FROM_CONSTRAINT): Add 'qA'.
1253         (CLASS_LIKELY_SPILLED_P): P0REGS is likely_spilled.
1254         * doc/md.texi (Blackfin family): Document 'q' constraints.
1255
1256 2007-09-11  Steve Kenton  <skenton@ou.edu>
1257
1258         * pa/linux-unwind.h: Guard with inhibit_libc.
1259         * pa/hpux-unwind.h: Likewise.
1260
1261 2007-09-11  David Daney  <ddaney@avtrex.com>
1262
1263         * doc/invoke.texi: Document new MIPS -mllsc and -mno-llsc options.
1264         * doc/install.texi: Document new --with-llsc and --without-llsc
1265         options.
1266         * config.gcc: Handle --with-llsc and --without-llsc configure options.
1267         * config/mips/mips.md (sync, memory_barrier): Wrap sync instrunction
1268         in %| and %- operand codes.  Depend on GENERATE_SYNC instead of
1269         ISA_HAS_SYNC.
1270         (sync_compare_and_swap<mode>, sync_add<mode>, sync_sub<mode>,
1271         sync_old_add<mode>, sync_old_sub<mode>, sync_new_add<mode>,
1272         sync_new_sub<mode>, sync_<optab><mode>, sync_old_<optab><mode>,
1273         sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
1274         sync_new_nand<mode>, sync_lock_test_and_set<mode>): Depend on
1275         GENERATE_LL_SC instead of ISA_HAS_LL_SC.
1276         * config/mips/mips.opt (mllsc): New option.
1277         * config/mips/mips.c (mips_llsc): Define variable.
1278         (mips_handle_option): Handle mllsc option.
1279         (override_options): Set mips_print_operand_punct for '|' and '-'.
1280         (print_operand): Add new %| and %- operand codes.
1281         * config/mips/mips.h (mips_llsc_setting): New enum type.
1282         (mips_llsc): Declare.
1283         (OPTION_DEFAULT_SPECS): Add llsc handling.
1284         (GENERATE_SYNC): New macro.
1285         (GENERATE_LL_SC): New macro.
1286         (MIPS_COMPARE_AND_SWAP, MIPS_SYNC_OP, MIPS_SYNC_OLD_OP,
1287         MIPS_SYNC_NEW_OP, MIPS_SYNC_NAND, MIPS_SYNC_OLD_NAND,
1288         MIPS_SYNC_NEW_NAND, MIPS_SYNC_EXCHANGE): Wrap instructions
1289         in %| and %- operand codes.
1290
1291 2007-09-11  Eric Botcazou  <ebotcazou@adacore.com>
1292
1293         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Deal with
1294         TYPE_NONALIASED_COMPONENT like with DECL_NONADDRESSABLE_P.
1295
1296 2007-09-11  Jason Merrill  <jason@redhat.com>
1297
1298         PR middle-end/27945
1299         * stor-layout.c (layout_decl): Do pack variable size fields.    
1300
1301 2007-09-11  Maxim Kuvyrkov  <maxim@codesourcery.com>
1302
1303         * config/m68k/predicates.md (movsi_const0_operand,
1304         non_symbolic_call_operand): New predicates.
1305
1306         * config/m68k/constraints.md: (Cs, Ci, C0, Cj, CQ, CW, CZ, CS, Ap, Ac):
1307         New constraints.
1308         * doc/md.texi (Constraints for Particular Machines: Motorola 680x0):
1309         Document constraints N, O, P, R, S, T, Q, U, W, Cs, Ci, C0, Cj, CQ,
1310         CW, CZ, CS, Ap and Ac.
1311
1312         * config/m68k/m68k.md (UNSPEC_IB): New constant.
1313         (constraints.md): New include.
1314         (cpu, type, type1, opx, opy, opx_type, opy_type, size, opx_access,
1315         opx_mem, opy_mem, op_mem, guess, split): New attributes.
1316         (movdf_internal): Name pattern.  Fix to use alternatives.  Add split.
1317         Specify attributes.
1318         (pushdi): Add split.
1319         (tstsi_internal): Name pattern.  Fix to use alternatives.  Specify
1320         attributes.  Split tstsi_internal_68020_cf from it.
1321         (tstsi_internal_68020_cf): New pattern.
1322         (tsthi_internal, tstqi_internal): Name pattern.  Specify attributes.
1323         (tst<mode>_cf): Specify attributea.
1324         (cmpsi_cf): Name pattern.  Specify attributes.
1325         (cmp<mode>_68881, cmp<mode>_cf): Specify type attribute.
1326         (pushexthisi_const): Fix to use alternatives.  Specify
1327         attributes.
1328         (movsi_const0): Split movsi_const0_68000_10 and movsi_const0_68040_60
1329         from it.  Fix to use alternatives.  Specify attributes.
1330         (movsi_const0_68040_10, movsi_const0_68040_60): New patterns.
1331         (movsi_cf, movstrictqi_cf): Fix to use alternatives.  Specify
1332         attributes.
1333         (movsf_cf_soft): Specify attributes.
1334         (movdf_cf_soft): Add split.
1335         (pushasi, zero_extendhisi2_cf, zero_extendqisi2_cfv4,
1336         cfv4_extendhisi2, 68k_extendhisi2, extendqihi2, cfv4_extendqisi2,
1337         68k_extendqisi2, truncdfsf2_cf): Specify attributes.
1338         (truncdfsf2_68881): Name pattern.  Specify attributes.
1339         (floatsi<mode>2_cf, floathi<mode>2_68881, floathi<mode>2_cf,
1340         floatqi<mode>2_68881, floatqi<mode>2_cf, ftrunc<mode>2_cf,
1341         fix<mode>qi2_cf, fix<mode>hi2_cf, fix<mode>si2_cf, adddi_dishl32):
1342         Specify attributes.
1343         (addsi3_5200): Fix to use alternatives.  Specify attributes.
1344         Add splits.
1345         (add<mode>3_cf, subdi_dishl32): Specify attributes.
1346         (subsi3): Add alternative for subq.l.  Specify attributes.
1347         (sub<mode>3_cf, mulhi3, mulhisi3): Specify attributes.
1348         (mulhisisi3_s, mulsi3_68020, mulsi3_cf): Name pattern.  Specify
1349         attributes.
1350         (umulhisi3): Specify attributes.
1351         (mulhisisi3_z): Name pattern.  Specify attributes.
1352         (fmul<mode>3_cf, div<mode>3_cf, negsi2_internal, negsi2_5200,
1353         sqrt<mode>2_68881, clzsi2, one_cmplsi2_5200, subreghi1ashrdi_const32,
1354         subregsi1ashrdi_const32, ashrsi3, subreg1lshrdi_const32, lshrsi3,
1355         bsetmemqi): Specify attributes.
1356         (bsetmemqi_ext): Name pattern.  Specify attributes.
1357         (bclrmemqi): Specify attributes.
1358         (bclrmemqi_ext, scc, sls): Name pattern.  Specify attributes.
1359         (beq, bne, bgt, bgtu, blt, bltu, bge, bgeu, ble, bleu): Specify
1360         attributes.
1361         (beq2, bne2, bgt2, bgtu2, blt2, bltu2, bge2, bgeu2, ble2, bleu2): Name
1362         pattern.  Specify attributes.
1363         (jump): Specify attributes.
1364         (tablejump_internal): Name pattern.  Specify attributes.
1365         (call_value): Split into non_symbolic_call_value,
1366         symbolic_call_value_jsr, symbolic_call_value_bsr.  Fix to use
1367         alternatives.  Specify attributes.
1368         (non_symbolic_call_value, symbolic_call_value_jsr,
1369         symbolic_call_value_bsr): New patterns.
1370         (nop, return, unlink, indirect_jump): Specify attributes.
1371         (trap): Fix condition.  Specify attributes.
1372         (ib): New pattern.
1373
1374         * config/m68k/m68k.c (m68k_symbolic_call_var): New variable.
1375         (override_options): Initialize it.  Initialize m68k_sched_cpu.
1376         (CONST_METHOD): Rename to M68K_CONST_METHOD, move to m68k.h.
1377         (const_method): Make global, rename to m68k_const_method.
1378         (const_int_cost, output_move_const_into_data_reg): Update.
1379         (output_move_double): Parametrize to emit rtl code, rename to
1380         handle_move_double.
1381         (output_reg_adjust, emit_reg_adjust, output_compadr, output_movsi,
1382         emit_movsi): New static functions.
1383         (output_move_double): New function with semantics of old
1384         output_move_double.
1385         (m68k_emit_move_double): New function.
1386         (m68k_sched_cpu): New variable.
1387         (attr_op_type): New enum.
1388         (sched_guess_p): New variable.
1389         (sched_address_type, sched_operand_type, sched_attr_op_type):
1390         New static functions.
1391         (m68k_sched_attr_opx_type, m68k_sched_attr_opy_type,
1392         m68k_sched_attr_size, m68k_sched_attr_op_mem): New functions.
1393         (sched_branch_type): New static variable.
1394         (m68k_sched_branch_type): New function.
1395         * config/m68k/m68k.h (M68K_SYMBOLIC_CALL): New enum.
1396         (m68k_symbolic_call_var): Declare.
1397         (M68K_CONST_METHOD): Rename from CONST_METHOD.  Move here from m68k.c.
1398         (m68k_const_method, m68k_emit_move_double, m68k_sched_cpu,
1399         m68k_sched_attr_opx_type, m68k_sched_attr_opy_type,
1400         m68k_sched_attr_size, m68k_sched_attr_op_mem, m68k_sched_branch_type):
1401         Declare.
1402
1403 2007-09-11  Jakub Jelinek  <jakub@redhat.com>
1404
1405         * builtins.def (BUILT_IN_VA_ARG_PACK_LEN): New builtin.
1406         * builtins.c (expand_builtin) <case BUILT_IN_VA_ARG_PACK_LEN>: Issue
1407         error if __builtin_va_arg_pack_len () wasn't optimized out during
1408         inlining.
1409         * tree-inline.c (copy_bb): Replace __builtin_va_arg_pack_len ()
1410         with the number of inline's anonymous arguments.
1411         * doc/extend.texi: Document __builtin_va_arg_pack_len ().
1412
1413 2007-09-11  Zdenek Dvorak  <ook@ucw.cz>
1414
1415         * fold-const.c (extract_muldiv_1): Do not simplify
1416         var * c * c to var.
1417
1418 2007-09-11  Jan Hubicka <jh@suse.cz>
1419
1420         * i386.h (ix86_tune_indices): Add X86_TUNE_INTER_UNIT_CONVERSIONS.
1421         (TARGET_INTER_UNIT_CONVERSIONS): New.
1422         * i386.md (floatsi expanders): Remove redundant check for SImode
1423         source; offload to memory when asked for.
1424         (floatsisf2_mixed, floatsisf2_sse, floatsidf2_mixed, floatsidf2_sse
1425         floatdisf2_mixed, floatsisf2_sse, floatsidf2_mixed, floatsidf2_sse):
1426         Update conditions;
1427         (floatsisf2_mixed_memory, floatsisf2_sse_memory,
1428         floatsidf2_mixed_memory, floatsidf2_sse_memory
1429         floatdisf2_mixed_memory, floatsisf2_sse_memory,
1430         floatsidf2_mixed_memory, floatsidf2_sse_memory): New.
1431
1432 2007-09-11  Jan Hubicka <jh@suse.cz>
1433
1434         * toplev.c (process_options): all frontends now do unit-at-a-time.
1435         * cgraphunit.c: update comments.
1436         (cgraph_expand_function): call passmanager dirrectly; emit thunks.
1437         * c-decl.c (finish_function): use cgraph_add_new_function.
1438         * function.c (expand_function_end): We are always unit-at-a-time.
1439
1440 2007-09-11  Richard Sandiford  <richard@codesourcery.com>
1441
1442         * config/mips/mips.c (mips_set_mips16_mode): Use separate anchor
1443         settings for MIPS16.
1444         (mips_use_anchors_for_symbol_p): Use default_use_anchors_for_symbol_p.
1445
1446 2007-09-11  Richard Sandiford  <richard@codesourcery.com>
1447
1448         * config/mips/mips.c (mips_symbol_insns_1): Allow LEAs of
1449         SYMBOL_FORCE_TO_MEM constants.
1450         (mips_rtx_costs): Give a cost of 1 to force_to_mem_operands.
1451         (mips16_rewrite_pool_refs_info): New structure.
1452         (mips16_rewrite_pool_constant): New function, split out from...
1453         (mips16_rewrite_pool_refs): ...here.  Take a pointer to a
1454         mips16_rewrite_pool_refs_info structure rather than a pointer
1455         to a constant pool.  Force force_to_mem_operands into memory.
1456         (mips16_lay_out_constants): Update call to mips16_rewrite_pool_refs.
1457         * config/mips/predicates.md (force_to_mem_operand): New predicate.
1458         * config/mips/constraints.md (kf): New constraint.
1459         * config/mips/mips.md (*movdi_64bit_mips16): Add a d <- kf alternative.
1460         (*movsi_mips16): Likewise.
1461
1462 2007-09-11  Richard Sandiford  <richard@codesourcery.com>
1463             Nigel Stephens  <nigel@mips.com>
1464             David Ung  <davidu@mips.com>
1465
1466         * config/mips/mips.h (CONSTANT_POOL_COST): Move to...
1467         * config/mips/mips.c: ...here and set to 4 for TARGET_MIPS16.
1468         (mips16_constant_cost, mips_immediate_operand_p, mips_binary_cost)
1469         (mips_fp_mult_cost, mips_fp_div_cost, mips_sign_extend_cost)
1470         (mips_zero_extend_cost): New functions.
1471         (mips_rtx_costs): Treat COMPARE constants as having zero cost.
1472         Use the new functions.  Tweak many cost estimates, both here
1473         and in the new subroutines.  Return false when the cost of the
1474         operands has not been calculated.  Check for *clear_upper32.
1475         Check for floating-point multiply-add, reciprocal and rsqrt
1476         patterns.  Handle comparison and rotation codes.
1477
1478 2007-09-11  Danny Smith  <dannysmith@users.sourceforge.net>
1479
1480         * config/i386/cygming.h (TARGET_STRIP_NAME_ENCODING): Don't
1481         override default.
1482         * config/i386/i386.c (get_dllimport_decl): Don't strip
1483         FASTCALL_PREFIX.
1484
1485 2007-09-10  Janis Johnson  <janis187@us.ibm.com>
1486
1487         PR c/30013
1488         * config/dfp-bit.c: Don't skip TFmode conversions; move strto*
1489         declarations to top.
1490         (DFP_TO_BFP): Use for either XFmode or TFmode.
1491         (BFP_TO_DFP): Use for either XFmode or TFmode; always use cast
1492         of BFP_VIA_TYPE.
1493         * config/dfp-bit.h: Include float.h.
1494         (LONG_DOUBLE_HAS_XF_MODE, LONG_DOUBLE_HAS_TF_MODE): Define if long
1495         double is one of these modes, rather than using LIBGCC_HAS_*F_MODE
1496         which doesn't mean the same thing.
1497         (BFP_KIND): Use 4 to mean TFmode.
1498         (BFP_FMT): Specify the number of decimal digits based on the
1499         number of mantissa digits.
1500         (BFP_VIA_TYPE): Binary float type to use as cast for sprintf.
1501         (BFP_TO_DFP, DFP_TO_BFP): Define names for TFmode variants.
1502         (STR_TO_BFP): Use strtold for XFmode or TFmode.
1503         (TFtype): Define if TFmode is supported.
1504         * doc/libgcc.texi (Decimal float library routines): Document
1505         TF conversion functions.
1506
1507 2007-09-10  Chao-ying Fu  <fu@mips.com>
1508
1509         * config/mips/mips.c (mips_scalar_mode_supported_p): Declare.
1510         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
1511         (mips_emit_compare): Process fixed-point modes.
1512         (mips_pad_arg_upward): Support fixed-point types.
1513         (override_options): Allow fixed-point modes in accumulators.
1514         (mips_pass_by_reference): Pass DQ, UDQ, DA, and UDA modes in registers.
1515         (mips_vector_mode_supported_p): Support V2HQmode, V2UHQmode, V2HAmode,
1516         V2UHAmode, V4QQmode, and V4UQQmode when TARGET_DSP.
1517         (mips_scalar_mode_supported_p): New function to accept fixed-point
1518         modes if the width is not greater than two BITS_PER_WORD.
1519         * config/mips/mips.h (SHORT_FRACT_TYPE_SIZE, FRACT_TYPE_SIZE,
1520         LONG_FRACT_TYPE_SIZE, LONG_LONG_FRACT_TYPE_SIZE,
1521         SHORT_ACCUM_TYPE_SIZE, ACCUM_TYPE_SIZE, LONG_ACCUM_TYPE_SIZE,
1522         LONG_LONG_ACCUM_TYPE_SIZE): Define.
1523         * config/mips/mips.md ("d"): Update mode attribute for fixed-point
1524         modes.
1525         ("IMODE"): New mode attribute.
1526         (mips-fixed.md): Include.
1527         * config/mips/mips-modes.def: Create VECTOR_MODES for FRACT, UFRACT,
1528         ACCUM, UACCUM.
1529         * config/mips/mips-fixed.md: New file.
1530
1531 2007-09-11  Ben Elliston  <bje@au.ibm.com>
1532
1533         * config/spu/spu.md: Formatting fixes.
1534
1535 2007-09-10  Janis Johnson  <janis187@us.ibm.com>
1536
1537         * config/dfp-bit.c (dfp_unary_func): Delete.
1538         (dfp_unary_op): Delete.
1539         (dfp_binary_op): Use decFloat functions instead of decNumber
1540         functions for binary operations.
1541         (d32_binary_op): Convert 32-bit operands to 64 bits for evaluation.
1542         (dnn_binary_op): Call dfp_binary_op with decFloat rather than
1543         DFP_C_TYPE.
1544         (dfp_compare_op): Use decFloat functions insteadof decNumber
1545         functions for comparisons.
1546         (d32_compare_op): Convert 32-bit operands to 64 bits for evaluation.
1547         (dnn_binary_op): Call dfp_compare_op with decFloat rather than
1548         DFP_C_TYPE.
1549         (DFP_ADD, DFP_SUB, DFP_MULTIPLE, DFP_DIVIDE): Use macros for
1550         call to dxx_binary_op and decFloat function.
1551         (DFP_EQ, DFP_NE, DFP_LT, DFP_GT, DFP_LE, DFP_GE): Use macros for
1552         calls to dxx_binary_op and decFloat function.
1553         * config/dfp-bit.h: Include decFloat header files.
1554         (decFloat, DFP_BINARY_OP, DFP_COMPARE_OP, DEC_FLOAT_ADD,
1555         DEC_FLOAT_SUBTRACT, DEC_FLOAT_MULTIPLY, DEC_FLOAT_DIVIDE,
1556         DEC_FLOAT_COMPARE, DEC_FLOAT_IS_ZERO, DEC_FLOAT_IS_NAN,
1557         DEC_FLOAT_IS_SIGNED: Define for each of 3 operand widths.
1558
1559 2007-09-10  Harsha Jagasia <harsha.jagasia@amd.com>
1560             Jan Sjodin <jan.sjodin@amd.com>
1561         
1562         * tree-vect-analyze.c (vect_analyze_operations): Change
1563         comparison of loop iterations with threshold to less than
1564         or equal to instead of less than. Reduce
1565         min_scalar_loop_bound by one.
1566         * tree-vect-transform.c (vect_estimate_min_profitable_iters): 
1567         Change prologue and epilogue iterations estimate to vf/2,
1568         when unknown at compile-time. Change versioning guard
1569         cost to taken_branch_cost. If peeling for alignment is
1570         unknown at compile-time, change peel guard costs to one
1571         taken branch and one not-taken branch per peeled loop.
1572         If peeling for alignment is known but number of scalar loop
1573         iterations is unknown at compile-time, change peel guard
1574         costs to one taken branch per peeled loop. Change the cost
1575         model equation to consider vector iterations as the loop
1576         iterations less the prologue and epilogue iterations.
1577         Change outside vector cost check to less than or equal to
1578         zero instead of equal to zero.
1579         (vect_do_peeling_for_loop_bound): Reduce
1580         min_scalar_loop_bound by one.
1581         * tree-vectorizer.h: Add TARG_COND_TAKEN_BRANCH_COST and
1582         TARG_COND_NOT_TAKEN_BRANCH_COST.        
1583         * config/i386/i386.h (processor_costs): Add
1584         scalar_stmt_cost, scalar_load_cost, scalar_store_cost,
1585         vec_stmt_cost, vec_to_scalar_cost, scalar_to_vec_cost,
1586         vec_align_load_cost, vect_unalign_load_cost,
1587         vec_store_cost, cond_taken_branch_cost,
1588         cond_not_taken_branch_cost.
1589         Define macros for x86 costs.
1590         * config/i386/i386.c:
1591         (size_cost): Set scalar_stmt_cost, scalar_load_cost,
1592         scalar_store_cost, vec_stmt_cost, vec_to_scalar_cost,
1593         scalar_to_vec_cost, vec_align_load_cost, 
1594         vect_unalign_load_cost, vec_store_cost,
1595         cond_taken_branch_cost, cond_not_taken_branch_cost to one. 
1596         (i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
1597         geode_cost, k6_cost, athlon_cost, pentium4_cost, nocona_cost, 
1598         core2_cost, generic64_cost, generic32_cost): Set to default
1599         untuned costs.
1600         (k8_cost, amdfam10_cost): Costs for vectorization tuned.
1601         (x86_builtin_vectorization_cost): New.
1602
1603 2007-09-10  Janis Johnson  <janis187@us.ibm.com>
1604             Ben Elliston  <bje@au.ibm.com>
1605
1606         * dfp.c: Include decimal128Local.h; 
1607         (dfp_byte_swap): Remove.
1608         (encode_decimal32, decode_decimal32): Don't handle endianness.
1609         (encode_decimal64, decode_decimal64): Ditto.
1610         (encode_decimal128, decode_decimal128): Ditto.
1611         * config/dfp-bit.c (host_to_ieee32, ieee_to_host_32): Ditto.
1612         (__swap64): Remove.
1613         (host_to_ieee_64, ieee_to_host_64): Don't handle endianness.
1614          (__swap128): Remove
1615         (host_to_ieee_128, ieee_to_host_128): Don't handle endianness.
1616         * Makefile.in (DECNUM_H): Add decimal128Local.h.
1617
1618 2007-09-10  David Daney  <ddaney@avtrex.com>
1619
1620         * config/mips/mips.md (UNSPEC_MEMORY_BARRIER): New entry in
1621         define_constants.
1622         (memory_barrier): Rewrote as an insn that clobbers memory.
1623
1624 2007-09-10  Richard Sandiford  <richard@codesourcery.com>
1625
1626         * config/mips/mips.c (mips_global_pointer): Check
1627         call_really_used_regs instead of call_used_regs.
1628         (mips_save_reg_p): Likewise.  Save all call-saved registers
1629         if current_function_saves_all_registers.  Fix indentation.
1630         No longer treat $18 as a special case.
1631         (compute_frame_size): Guard FPR loop with TARGET_HARD_FLOAT.
1632
1633 2007-09-10  Richard Sandiford  <richard@codesourcery.com>
1634
1635         * config/mips/mips.h (MIPS_ARCH_FLOAT_SPEC): New macro.
1636         * config/mips/mips.c (mips_cpu_info_table): Mention it in the
1637         the introductory comment.
1638         (MIPS_MARCH_CONTROLS_SOFT_FLOAT): Delete.
1639         (override_options): Don't test for it.
1640         * config/mips/sde.h (MIPS_MARCH_CONTROLS_SOFT_FLOAT): Delete.
1641         (DRIVER_SELF_SPECS): Add MIPS_ARCH_FLOAT_SPEC.
1642         * config/mips/vr.h: As for config/mips/sde.h.
1643
1644 2007-09-10  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
1645             Revital Eres  <eres@il.ibm.com>
1646
1647         * target.h (struct gcc_target.sched): New field: sms_res_mii.
1648         (struct ddg): Define.
1649         * target-def.h (TARGET_SCHED_SMS_RES_MII): Define.
1650         (TARGET_SCHED): Add TARGET_SCHED_SMS_RES_MII.
1651         * config/spu/spu.c: Include ddg.h.
1652         (TARGET_SCHED_SMS_RES_MII): Define.
1653         (spu_sms_res_mii): New function to calculate mii.
1654         * modulo-sched (res_MII): Use it.
1655         * doc/tm.texi: Document TARGET_SCHED_SMS_RES_MII.
1656
1657 2007-09-10  Andreas Krebbel  <krebbel1@de.ibm.com>
1658
1659         * config/s390/s390.c (s390_dump_pool): Create copy of constant
1660         pool entries since they might hold values that must not be shared.
1661
1662 2007-09-10  Uros Bizjak  <ubizjak@gmail.com>
1663
1664         PR target/33369
1665         * gcc/config/i386/sse.md (ashr<mode>3): Change op2 mode to SImode.
1666         Use 'N' operand constraint for op2.
1667         (lshr<mode>3): Ditto.
1668         (ashl<mode>3): Ditto.
1669         (vec_shl_<mode>): Use const_0_to_255_mul_8_operand predicate for op2.
1670         (vec_shr_<mode>): Ditto.
1671         * gcc/config/i386/i386.c (ix86_expand_builtin) [IX86_BUILTIN_PSLL?128,
1672         IX86_BUILTIN_PSRA*?128, IX86_BUILTIN_PSRL?128]: Convert op1 to SImode.
1673
1674 2007-09-10  Andreas Krebbel  <krebbel1@de.ibm.com>
1675
1676         * config/s390/s390.md ("fixuns_trunc<BFP:mode><GPR:mode>2"):
1677         Change mode macro in the last real_2expN parameter to uppercase.
1678
1679 2007-09-10  Michael Matz  <matz@suse.de>
1680
1681         * tree-pass.h (pass_cselim): Declare new pass.
1682         * passes.c (init_optimization_passes): Link in pass_cselim.
1683         * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Renamed from
1684         tree_ssa_phiopt; add do_store_elim parameter, handle it by calling
1685         cond_store_replacement.
1686         (condstoretemp): New static variable.
1687         (cond_store_replacement): New function.
1688         (tree_ssa_phiopt, tree_ssa_cs_elim): New wrappers around
1689         tree_ssa_phiopt_worker.
1690         (struct name_to_bb): New.
1691         (get_non_trapping, name_to_bb_hash, name_to_bb_eq, add_or_mark_expr,
1692         nt_init_block, nt_fini_block): New static functions.
1693         (seen_ssa_names, nontrap_set): New static variables.
1694         (gate_cselim, pass_cselim): Define new pass.
1695         * common.opt (ftree-cselim): New flag.
1696         * toplev.c (process_options): Set flag_tree_cselim if required.
1697
1698 2007-09-10  Hans-Peter Nilsson  <hp@axis.com>
1699
1700         * simplify-rtx.c (simplify_relational_operation_1): For recent
1701         canonicalization, don't recurse if op1 equals both PLUS arguments.
1702
1703 2007-09-09  David Daney  <ddaney@avtrex.com>
1704
1705         * optabs.c (expand_sync_operation):  Use plus insn if minus
1706         CONST_INT_P(val).
1707         (expand_sync_fetch_operation):  Ditto.
1708
1709 2007-09-09  H.J. Lu  <hongjiu.lu@intel.com>
1710
1711         * i386.md (*floatsisf2_mixed_vector): Use cvtdq2ps instead
1712         of cvtpq2ps.
1713         (*floatsisf2_sse_vector): Likewise.
1714
1715 2007-09-09  Krister Walfridsson  <cato@df.lth.se>
1716
1717         * config/netbsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
1718
1719 2007-09-09  H.J. Lu  <hongjiu.lu@intel.com>
1720
1721         * config/i386/i386.h (ix86_tune_indices): Rename
1722         X86_USE_VECTOR_CONVERTS to X86_TUNE_USE_VECTOR_CONVERTS.
1723         (TARGET_USE_VECTOR_CONVERTS): Updated.
1724         * config/i386/i386.c: Likewise.
1725
1726 2007-09-09  Sandra Loosemore  <sandra@codesourcery.com>
1727             Nigel Stephens <nigel@mips.com>
1728
1729         * doc/invoke.texi (Overall Options):  Add .sx file extension
1730         as a synonym for .S.
1731         * cppspec.c (known_suffixes): Likewise.
1732         * gcc.c (default_compilers): Likewise.
1733
1734 2007-09-09  Rask Ingemann Lambertsen  <rask@sygehus.dk>
1735
1736         PR target/30315
1737         * config/i386/i386.h (CANONICALIZE_COMPARISON): Delete.
1738         * simplify-rtx.c (simplify_relational_operation_1): Add the
1739         canonicalization from i386.h.
1740         * doc/md.texi (Canonicalization of Instructions): Document it.
1741
1742 2007-09-09  Jan Hubicka  <jh@suse.cz>
1743             Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
1744
1745         * i386.h (ix86_tune_indices): Add X86_USE_VECTOR_CONVERTS.
1746         (TARGET_USE_VECTOR_CONVERTS): New.
1747         * i386.md: New post-reload splitters for converting SF to DF and DF to
1748         SF.
1749         (floatsi* expander): Special case vector conversions.
1750         (floatsisf2_mixed_vector, floatsisf2_sse_vector_nointernunit,
1751         floatsisf2_sse_vector_internunit, floatsisf2_sse_vector,
1752         floatsidf2_mixed_vector, floatsidf2_sse_vector): New.
1753         (floatsisf2_mixed, floatsisf2_sse, floatsidf2_mixed, floatsidf2_sse):
1754         Disable when doing vector converts.
1755         (floatsi<mode>2_i387): Disable when
1756         * sse.md (vec_dupv2df): Export.
1757         * i386.c (ix86_tune_features): Enable SSE conversions.
1758
1759 2007-09-09  Richard Guenther  <rguenther@suse.de>
1760
1761         * tree-ssa-operands.c (add_virtual_operand): Only mark
1762         stores as has_volatile_ops if alias information is not available.
1763
1764 2007-09-09  Revital Eres  <eres@il.ibm.com>
1765
1766         * doc/contrib.texi: Add myself.
1767
1768 2007-09-09  Ira Rosen  <irar@il.ibm.com>
1769
1770         * tree-vectorizer.h (stmt_vinfo_set_inside_of_loop_cost,
1771         stmt_vinfo_set_outside_of_loop_cost): New functions.
1772         * tree-vect-transform.c (vect_get_cost_fields): Remove.
1773         (vect_model_simple_cost): Call
1774         stmt_vinfo_set_inside/outside_of_loop_cost to set the relevant cost
1775         field instead of calling vect_get_cost_fields.
1776         (vect_model_store_cost, vect_model_load_cost): Likewise.
1777
1778 2007-09-09  Revital Eres  <eres@il.ibm.com>
1779
1780         * config/rs6000/rs6000.c (paired_init_builtins): Add const
1781         declaration to bdesc_paired_preds variable.
1782         (paired_expand_builtin): Likewise.
1783
1784 2007-09-09  Revital Eres  <eres@il.ibm.com>
1785
1786         * dbgcnt.def (sms_sched_loop): New counter.
1787         * modulo-sched.c: Use sms_sched_loop instead of
1788         MAX_SMS_LOOP_NUMBER to determine the maximum number of loops to
1789         perform swing modulo scheduling on.  Include dbgcnt.h.
1790         * Makefile.in: Add DBGCNT_H to modulo-sched.o.
1791         * params.def: Remove PARAM_MAX_SMS_LOOP_NUMBER.
1792
1793 2007-09-09  Uros Bizjak  <ubizjak@gmail.com>
1794
1795         * config/i386/i386.md (X87MODEF12, SSEMODEF): Remove mode iterators.
1796         Substitute all uses with ...
1797         (MODEF): New mode iterator.
1798
1799         (fix_trunc<mode>_fisttp_i387_1): Remove operand constraints
1800         from pre-regalloc define_insn_and_split splitter pattern.
1801         (*fix_trunc<mode>_i387_1): Ditto.
1802         (*fistdi2_1): Ditto.
1803         (*fist<mode>2_1): Ditto.
1804         (frndintxf2_floor): Ditto.
1805         (*fist<mode>2_floor_1): Ditto.
1806         (frndintxf2_ceil): Ditto.
1807         (*fist<mode>2_ceil_1): Ditto.
1808         (frndintxf2_trunc): Ditto.
1809         (frndintxf2_mask_pm): Ditto.
1810
1811         (prologue): Use (const_int 0) as never generated filler insn.
1812         (epilogue): Ditto.
1813         (sibcall_epilogue): Ditto.
1814         (eh_return_si): Ditto.
1815         (eh_return_di): Ditto.
1816
1817         (add<mode>3): Rename from adddf3 and addsf3.  Macroize expander
1818         using MODEF mode iterator.
1819         (sub<mode>3): Rename from subdf3 and subsf3.  Macroize expander
1820         using MODEF mode iterator.
1821         (mul<mode>3): Rename from muldf3 and mulsf3.  Macroize expander
1822         using MODEF mode iterator.
1823         (nearbyint<mode>2): Rename from nearbyintdf2 and nearbyintsf2.
1824         Macroize expander using MODEF mode iterator.
1825
1826         (zero_extendsidi2): Remove operand constraints from expander.
1827         (smuldi3_highpart): Ditto.
1828         (indirect_jump): Ditto.
1829         (tablejump): Ditto.
1830         (rsqrtsf2): Ditto.
1831         * config/i386/sse.md (storentv4sf): Ditto.
1832         (storentv2df): Ditto.
1833         (storentv2di): Ditto.
1834         (storentsi): Ditto.
1835         (sse2_cvtpd2ps): Ditto.
1836         (vec_interleave_highv16qi): Ditto.
1837         (vec_interleave_lowv16qi): Ditto.
1838         (vec_interleave_highv8hi): Ditto.
1839         (vec_interleave_lowv8hi): Ditto.
1840         (vec_interleave_highv4si): Ditto.
1841         (vec_interleave_lowv4si): Ditto.
1842         (vec_interleave_highv2di): Ditto.
1843         (vec_interleave_lowv2di): Ditto.
1844         (sse2_maskmovdqu): Ditto.
1845         * config/i386/mmx.md (mmx_maskmovq): Ditto.
1846
1847 2007-09-09  Ira Rosen  <irar@il.ibm.com>
1848
1849         * tree-vectorizer.h (enum vect_def_type): Start enumeration from 1.
1850         (struct _slp_tree, struct _slp_instance): Define new data structures
1851         along macros for their access.
1852         (struct _loop_vec_info): Define new fields: strided_stores,
1853         slp_instances, and slp_unrolling_factor along macros for their access.
1854         (enum slp_vect_type): New.
1855         (struct _stmt_vec_info): Define new field, slp_type, and macros for its
1856         access.
1857         (STMT_VINFO_STRIDED_ACCESS): New macro.
1858         (vect_free_slp_tree): Declare.
1859         (vectorizable_load): Add an argument of type slp_tree.
1860         (vectorizable_store, vectorizable_operation, vectorizable_conversion,
1861         vectorizable_assignment): Likewise.
1862         (vect_model_simple_cost, vect_model_store_cost, vect_model_load_cost):
1863         Declare (make extern).
1864         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
1865         (new_loop_vec_info): Likewise.
1866         (destroy_loop_vec_info): Free memory allocated for SLP structures.
1867         * tree-vect-analyze.c: Include recog.h.
1868         (vect_update_slp_costs_according_to_vf): New.
1869         (vect_analyze_operations): Add argument for calls to vectorizable_ ()
1870         functions. For not pure SLP stmts with strided access check that the
1871         group size is power of 2. Update the vectorization factor according to
1872         SLP. Call vect_update_slp_costs_according_to_vf.
1873         (vect_analyze_group_access): New.
1874         (vect_analyze_data_ref_access): Call vect_analyze_group_access.
1875         (vect_free_slp_tree): New functions.
1876         (vect_get_and_check_slp_defs, vect_build_slp_tree, vect_print_slp_tree,
1877         vect_mark_slp_stmts, vect_analyze_slp_instance, vect_analyze_slp,
1878         vect_make_slp_decision, vect_detect_hybrid_slp_stmts,
1879         vect_detect_hybrid_slp): Likewise.
1880         (vect_analyze_loop): Call vect_analyze_slp, vect_make_slp_decision
1881         and vect_detect_hybrid_slp.
1882         * tree-vect-transform.c (vect_estimate_min_profitable_iters): Take
1883         SLP costs into account.
1884         (vect_get_cost_fields): New function.
1885         (vect_model_simple_cost): Make extern, add SLP parameter and handle
1886         SLP.
1887         (vect_model_store_cost, vect_model_load_cost): Likewise.
1888         (vect_get_constant_vectors): New function.
1889         (vect_get_slp_vect_defs, vect_get_slp_defs,
1890         vect_get_vec_defs_for_stmt_copy, vect_get_vec_defs_for_stmt_copy,
1891         vect_get_vec_defs): Likewise.
1892         (vectorizable_reduction): Don't handle SLP for now.
1893         (vectorizable_call): Don't handle SLP for now. Add argument to
1894         vect_model_simple_cost.
1895         (vectorizable_conversion): Handle SLP (call vect_get_vec_defs to
1896         get SLPed and vectorized defs). Fix indentation and spacing.
1897         (vectorizable_assignment): Handle SLP.
1898         (vectorizable_induction): Don't handle SLP for now.
1899         (vectorizable_operation): Likewise.
1900         (vectorizable_type_demotion): Add argument to
1901         vect_model_simple_cost.
1902         (vectorizable_type_promotion): Likewise.
1903         (vectorizable_store, vectorizable_load): Handle SLP.
1904         (vectorizable_condition): Don't handle SLP for now.
1905         (vect_transform_stmt): Add a new argument for SLP. Check that there is
1906         no SLP transformation required for unsupported cases. Add SLP
1907         argument for supported cases.
1908         (vect_remove_stores): New function.
1909         (vect_schedule_slp_instance, vect_schedule_slp): Likewise.
1910         (vect_transform_loop): Schedule SLP instances.
1911         * Makefile.in: (tree-vect-analyze.o): Depend on recog.h.
1912
1913 2007-09-09  Andrew Haley  <aph@redhat.com>
1914
1915         * optabs.c (sign_expand_binop): Set libcall_gen = NULL in the
1916         fake signed optab.
1917
1918 2007-09-09  Hans-Peter Nilsson  <hp@axis.com>
1919
1920         Divide REG_LABEL notes into REG_LABEL_OPERAND and REG_LABEL_TARGET.
1921         * doc/rtl.texi (Insns): Specify when a label_ref makes a jump_insn.
1922         Similar for what label_refs can go in the JUMP_TARGET field.  Split
1923         REG_LABEL documentation into REG_LABEL_TARGET and REG_LABEL_OPERAND.
1924         * reload.c (find_reloads): Generate REG_LABEL_OPERAND, not
1925         REG_LABEL when replacing an operand with a LABEL_REF for a
1926         non-jump insn.
1927         (subst_reloads): When replacing a LABEL_REG with a register,
1928         instead of generating a REG_LABEL note, assert that there already
1929         is one or that the label is a known target for the insn.
1930         * rtlanal.c (computed_jump_p): Instead of looking for a REG_LABEL
1931         note, check the JUMP_LABEL field.  Remove "else" after return.
1932         * reorg.c (emit_delay_sequence): Replace case for REG_LABEL with
1933         cases for REG_LABEL_OPERAND and REG_LABEL_TARGET.
1934         (fill_slots_from_thread): Handle both REG_LABEL_OPERAND and
1935         REG_LABEL_TARGET notes, including the JUMP_TARGET field on JUMP_P
1936         insns.  Iterate over all notes; don't assume there's only one.
1937         * cse.c (recorded_label_ref): Adjust comment to refer to
1938         REG_LABEL_OPERAND.
1939         (cse_extended_basic_block): Do LABEL_REF check for all INSN_P
1940         insns, not just NONJUMP_INSN_P.
1941         (check_for_label_ref): For JUMP_P insns, check that the LABEL_REF
1942         isn't a jump target.
1943         * jump.c (rebuild_jump_labels): Adjust head comment.
1944         (init_label_info): Ditto.  Remove REG_LABEL_OPERAND notes only;
1945         don't reset REG_LABEL_TARGET notes, including the JUMP_LABEL field.
1946         (mark_all_labels): For JUMP_P insns without a target, check if the
1947         the target is noted on the previous nonjump insn.
1948         (mark_jump_label_1): New function, guts from mark_jump_label.
1949         <case IF_THEN_ELSE>: Handle first operand as a non-target when
1950         marking jump target labels.
1951         <case LABEL_REF>: Adjust for whether to generate a
1952         REG_LABEL_TARGET or a REG_LABEL_OPERAND note.
1953         For 'E' format rtl, iterate in descending element order.
1954         (delete_related_insns): Handle both REG_LABEL_TARGET and
1955         REG_LABEL_OPERAND notes.  For JUMP_P insns with labels with zero
1956         reference count, delete and fallthrough.  Move finding-next-
1957         non-deleted insn last in the function.  Look at all INSN_P insns
1958         for REG_LABEL_OPERAND notes.
1959         (redirect_jump_2): Assert that OLABEL equals the old JUMP_LABEL of
1960         JUMP.
1961         * print-rtl.c (print_rtx): For JUMP_P insns and a non-NULL
1962         JUMP_LABEL, output the INSN_UID of it.
1963         * gcse.c: Adjust comments as appropriate to say REG_LABEL_OPERAND
1964         and/or REG_LABEL_TARGET.
1965         (add_label_notes): Only add REG_LABEL_OPERAND notes.  Put in line
1966         with jump.c copy by only adding notes for labels actually
1967         referenced in the insn.
1968         * emit-rtl.c (try_split): Don't assume only NONJUMP_INSN_P need
1969         usage count increment; handle all INSN_P trial insns.
1970         (emit_copy_of_insn_after): Change to not copy REG_LABEL_OPERAND
1971         notes.
1972         * rtl.h (struct rtx_def) <volatil>: Adjust to mention
1973         REG_LABEL_TARGET and REG_LABEL_OPERAND.
1974         (LABEL_REF_NONLOCAL_P): Allow REG_LABEL_TARGET and
1975         REG_LABEL_OPERAND.
1976         * combine.c (distribute_notes): Adjust for REG_LABEL_TARGET on
1977         JUMP_P insns and REG_LABEL_OPERAND everywhere.
1978         * sched-rgn.c (is_cfg_nonregular): Check for REG_LABEL_OPERANDS
1979         on all INSN_P insns.
1980         * reg-notes.def (LABEL_TARGET, LABEL_OPERAND): Split from LABEL.
1981         * cfgrtl.c (delete_insn): Adjust to handle REG_LABEL_TARGET and
1982         REG_LABEL_OPERAND notes.
1983         * reload1.c (calculate_needs_all_insns): Adjust comments.
1984         (set_label_offsets): Adjust to look for REG_LABEL_OPERAND notes.
1985         * config/alpha/alpha.md (split for load of an address into a
1986         four-insn sequence on Unicos/Mk): Adjust to use
1987         REG_LABEL_OPERAND.
1988         * config/sh/sh.md (sh_reorg, final_prescan_insn): Ditto.
1989
1990 2007-09-09  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1991
1992         Revert:
1993         2007-09-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1994         * regrename.c (copyprop_hardreg_forward_1): New variable next. Use
1995         FOR_BB_INSNS_SAFE instead of for loop.
1996         * cse.c (cse_extended_basic_block): Likewise.
1997         * postreload.c (reload_cse_regs_1): New variable next. Make sure
1998         that the for loop does not invoke NEXT_INSN on a deleted insn.
1999         * function.c (instantiate_virtual_regs): Likewise.
2000         * lower-subreg.c (remove_retval_note): Likewise.
2001         (decompose_multiword_subregs): Use FOR_BB_INSNS_SAFE instead of
2002         FOR_BB_INSNS.
2003         * emit-rtl.c (remove_insn): Set NEXT_INSN and PREV_INSN to NULL on
2004         a deleted insn.
2005         * cfgrtl.c (delete_insn): Set JUMP_LABEL to NULL on a deleted
2006         insn, if it's a jump.
2007         (try_redirect_by_replacing_jump): New variable jump_p. Call
2008         tablejump_p before delete_insn_chain.
2009         * reload1.c (reload): New variable next. Make sure that the for
2010         loop does not invoke NEXT_INSN on a deleted insn.
2011         (fixup_eh_region_note): Make the loop terminate if i becomes NULL.
2012         (delete_output_reload): New variable prev. Make sure the the for
2013         loops do not invoke PREV_INSN on a deleted insn.
2014
2015 2007-09-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2016
2017         * pa/constraints.md: Remove 'X' from unused letters comment.
2018
2019 2007-09-08  Richard Guenther  <rguenther@suse.de>
2020
2021         * tree-tailcall.c (find_tail_calls): If we don't have aliases
2022         computed check stmt_ann->references_memory instead of counting
2023         virtual operands.
2024  
2025 2007-09-08  Segher Boessenkool  <segher@kernel.crashing.org>
2026
2027         * cse.c (fold_rtx): Use validate_unshare_change() instead of
2028         validate_change() in one more case.
2029
2030 2007-09-08  Zdenek Dvorak  <ook@ucw.cz>
2031
2032         PR tree-optimization/32283
2033         * tree-ssa-loop-ivopts.c (may_eliminate_iv): Use
2034         estimated_loop_iterations.
2035         (determine_use_iv_cost_condition): Decrease cost of expressions
2036         used in iv elimination.
2037
2038 2007-09-08  Richard Guenther  <rguenther@suse.de>
2039
2040         * tree-cfg.c (verify_gimple_expr): Avoid building new
2041         pointer types, use TYPE_POINTER_TO if available instead.
2042
2043 2007-09-08  Uros Bizjak  <ubizjak@gmail.com>
2044
2045         PR target/33329
2046         PR rtl-optimization/26449
2047         * config/i386/sse.md (mulv4si3): Do not expand sse2 sequence.
2048         (*sse2_mulv4si3): New define_insn_and_split pattern. Split insn in
2049         split1 pass.
2050         (mulv16qi3): Implement as define_insn_and_split pattern instead of
2051         define_expand.  Split insn in split1 pass.
2052         (mulv2di3): Ditto.
2053
2054 2007-09-08  Dorit Nuzman  <dorit@il.ibm.com>
2055
2056         PR tree-optimization/33301
2057         * tree-vect-analyze (analyze_operations): Look at the type of the rhs
2058         when relevant.
2059
2060 2007-09-07  Zdenek Dvorak  <ook@ucw.cz>
2061
2062         PR tree-optimization/32183
2063         * Makefile.in (tree-ssa-reassoc.o): Also depend on $(CFGLOOP_H).
2064
2065         * tree-ssa-reassoc.c: Include cfgloop.h.
2066         (is_reassociable_op): Add a loop argument and return true only
2067         for inside loop.
2068         (linearize_expr): Updated.
2069         (should_break_up_subtract): Likewise.
2070         (linearize_expr_tree): Likewise.
2071         (init_reassoc): Call loop_optimizer_init with
2072         AVOID_CFG_MODIFICATIONS.  Remove calculate_dominance_info call
2073         with CDI_DOMINATORS.
2074         (fini_reassoc): Call loop_optimizer_finalize.
2075
2076 2007-09-07  Sterling Augustine  <sterling@tensilica.com>
2077
2078         * config/xtensa/lib2funcs.S (__xtensa_sync_caches): Use an ISYNC even
2079         if there is no i-cache.
2080
2081 2007-09-07  Richard Guenther  <rguenther@suse.de>
2082
2083         Reapply
2084         2007-09-06  Richard Guenther  <rguenther@suse.de>
2085
2086         PR tree-optimization/32586
2087         * tree-ssa-sccvn.c (simplify_binary_expression): Avoid
2088         folding if nothing changed.
2089         (simplify_unary_expression): New function.  Do tree combining
2090         on conversion like codes.
2091         (try_to_simplify): Call it.
2092
2093 2007-09-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2094
2095         PR target/33286
2096         * gthr-posix.h (__gthread_active_p): Add implementation for hppa-hpux.
2097         (__gthread_active,__gthread_start, __gthread_active_init): New.
2098         * gthr-posix95.h: Likewise.
2099
2100 2007-09-07  Roman Zippel <zippel@linux-m68k.org>
2101
2102         * function.h (struct function): Rename calls_unwind_init
2103         to saves_all_registers.
2104         (current_function_saves_all_registers): Renamed from
2105         current_function_calls_unwind_init.
2106         * reload1.c (reload): Set current_function_saves_all_registers.
2107         * except.c (expand_builtin_unwind_init): Likewise.
2108         * config/m68k/m68k.c (m68k_save_reg): Use
2109         current_function_saves_all_registers to save pic register.
2110
2111 2007-09-07  Janis Johnson  <janis187@us.ibm.com>
2112
2113         config/m68k/m68k.c (floating_exact_log2): Update call to real_2expN.
2114         config/s390/s390.md (fixuns_trunc<BFP:mode><GPR:mode>2): Ditto.
2115
2116         Reapply reverted changes:
2117
2118         2007-09-06  Jan Hubicka  <jh@suse.cz>
2119  
2120         * config/i386.c (ix86_expand_lround, ix86_expand_round): Update call of
2121         real_2expN.
2122
2123         2007-09-06  Richard Sandiford  <richard@codesourcery.com>
2124
2125         * config/mips/mips.md (fixuns_truncdfsi2, fixuns_truncdfdi2)
2126         (fixuns_truncsfsi2, fixuns_truncsfdi2): Update calls to real_2expN.
2127
2128         2007-09-05  Janis Johnson  <janis187@us.ibm.com>
2129
2130         * optabs.c (expand_float): Convert unsigned integer as signed only
2131         if it provides sufficient accuracy; add mode argument to real_2expN.
2132         (expand_fix): Fix comment typos; extend binary float into mode
2133         wider than destination for converion to unsigned integer; add mode
2134         argument to real_2expN.
2135         * real.c (real_2expN): Add mode argument to special-case decimal
2136         float values.
2137         * real.h (real_2expN): Ditto.
2138         * fixed-value.c (check_real_for_fixed_mode): Add mode argument to
2139         real_2expN.
2140         (fixed_from_string): Ditto.
2141         (fixed_to_decimal): Ditto.
2142         (fixed_convert_from_real): Ditto.
2143         (real_convert_from_fixed): Ditto.
2144         * config/rs6000/rs6000.md (FP): Include DD and TD modes.
2145         * config/rs6000/dfp.md (extendddtd2, adddd3, addtd3, subdd3, subtd3,
2146         muldd3, multd3, divdd3, divtd3, cmpdd_internal1, cmptd_internal1,
2147         floatditd2, ftruncdd2, fixdddi2, ftrunctd2, fixddi2): New.
2148
2149 2007-09-07  Diego Novillo  <dnovillo@google.com>
2150
2151         * tree-flow.h (const_block_stmt_iterator): Remove.
2152         Update all users to use block_stmt_iterator.
2153         * tree-iterator.h (const_tree_stmt_iterator): Remove.
2154         Update all users to use tree_stmt_iterator.
2155
2156 2007-09-07  Sandra Loosemore  <sandra@codesourcery.com>
2157
2158         * config/mips/mips.c (mips_set_current_function): Temporarily
2159         make this a no-op to fix bootstrap errors, pending rewrite.
2160
2161 2007-09-07  Jan Hubicka  <jh@suse.cz>
2162
2163         * reorg.c (dbr_schedule): Move code removing placeholder USEs later
2164         in the pass.
2165
2166 2007-09-07  Dorit Nuzman  <dorit@il.ibm.com>
2167
2168         PR tree-optimization/33299
2169         * tree-vect-transform.c (vect_create_epilog_for_reduction): Update
2170         uses for all relevant loop-exit phis, not just the first.
2171
2172 2007-09-07  Richard Guenther  <rguenther@suse.de>
2173
2174         PR middle-end/33330
2175         * tree-ssa-operands.c (access_can_touch_variable): An access
2176         of the form (*p)[0] can touch a variable of same size.
2177
2178 2007-09-07  Jan Hubicka  <jh@suse.cz>
2179
2180         * passes.c (init_optimization_passes): Add simple dce and addressable
2181         passes.
2182         * tree-ssa.c (execute_update_addresses_taken): New function.
2183         (pass_update_address_taken): New.
2184         * tree-ssa-dse.c (execute_simple_dse): New function.
2185         (pass_simple_dse): New.
2186         * tree-pass.h (pass_simple_dse, pass_update_address_taken): Declare.
2187
2188 2007-09-07  Tobias Burnus  <burnus@net-b.de>
2189
2190         PR middle-end/33321
2191         * doc/invoke.texi: Fix -Wstrict-overflow= table.
2192
2193 2007-09-07  Richard Guenther  <rguenther@suse.de>
2194
2195         Revert
2196         2007-09-06  Richard Guenther  <rguenther@suse.de>
2197
2198         PR tree-optimization/32586
2199         * tree-ssa-sccvn.c (simplify_binary_expression): Avoid
2200         folding if nothing changed.
2201         (simplify_unary_expression): New function.  Do tree combining
2202         on conversion like codes.
2203         (try_to_simplify): Call it.
2204
2205 2007-09-07  Richard Guenther  <rguenther@suse.de>
2206             Uros Bizjak  <ubizjak@gmail.com>
2207
2208         PR tree-optimization/32821
2209         * tree_if_conv.c (combine_blocks): Use alloc_stmt_list instead of
2210         NULL in the call to set_bb_stmt_list.
2211
2212 2007-09-07  Richard Sandiford  <richard@codesourcery.com>
2213
2214         * config/mips/mips.c (build_mips16_call_stub): Emit all direct
2215         float calls here, rather than leaving some to the caller.
2216         Use call_internal_direct and call_value_internal_direct.
2217         * config/mips/mips.md (call_internal_direct): New pattern.
2218         (call_value_internal_direct): Likewise.
2219
2220 2007-09-07  Richard Sandiford  <richard@codesourcery.com>
2221
2222         * config/mips/mips.c (mips_base_move_loop_invariants): New variable.
2223         (mips_set_mips16_mode): Restore flag_move_loop_invariants, then set
2224         to 0 for MIPS16.
2225         (override_options): Set mips_base_move_loop_invariants.
2226
2227 2007-09-07  Richard Sandiford  <richard@codesourcery.com>
2228
2229         * config/mips/mips.opt (mcode-readable=): Move to keep list
2230         alphabetical.
2231
2232 2007-09-07  Richard Sandiford  <richard@codesourcery.com>
2233
2234         * doc/invoke.texi: Document the MIPS -mlocal-sdata, -mextern-sdata
2235         and -mgpopt options.  Adjust the -G documentation to match.
2236         * config/mips/mips.opt (mextern-data, mgpopt, mlocal-data): New.
2237         * config/mips/mips.c (mips_rtx_constant_in_small_data_p): New
2238         function, split out from mips_classify_symbol.  Return false for
2239         !TARGET_LOCAL_SDATA.
2240         (mips_classify_symbol): Call mips_rtx_constant_in_small_data_p.
2241         Only use GP-relative accesses for non-pool symbols if TARGET_GPOPT.
2242         (override_options): Check whether the -mgpopt setting is consistent
2243         with the other flags.
2244         (symbolic_expression_p): Delete.
2245         (mips_select_rtx_section): Use mips_rtx_constant_in_small_data_p
2246         and default_elf_select_rtx_section.
2247         (mips_in_small_data_p): Honor section attributes for MIPS16 too.
2248         Return false for local data unless TARGET_LOCAL_SDATA.  Likewise
2249         external data and TARGET_EXTERN_SDATA.
2250
2251 2007-09-07  Tobias Burnus  <burnus@net-b.de>
2252
2253         PR fortran/33303
2254         * doc/cpp.texi (Common Predefined Macros): Add __GFORTRAN__.
2255
2256 2007-09-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2257
2258         * regrename.c (copyprop_hardreg_forward_1): New variable next. Use
2259         FOR_BB_INSNS_SAFE instead of for loop.
2260         * cse.c (cse_extended_basic_block): Likewise.
2261         * postreload.c (reload_cse_regs_1): New variable next. Make sure
2262         that the for loop does not invoke NEXT_INSN on a deleted insn.
2263         * function.c (instantiate_virtual_regs): Likewise.
2264         * lower-subreg.c (remove_retval_note): Likewise.
2265         (decompose_multiword_subregs): Use FOR_BB_INSNS_SAFE instead of
2266         FOR_BB_INSNS.
2267         * emit-rtl.c (remove_insn): Set NEXT_INSN and PREV_INSN to NULL on
2268         a deleted insn.
2269         * cfgrtl.c (delete_insn): Set JUMP_LABEL to NULL on a deleted
2270         insn, if it's a jump.
2271         (try_redirect_by_replacing_jump): New variable jump_p. Call
2272         tablejump_p before delete_insn_chain.
2273         * reload1.c (reload): New variable next. Make sure that the for
2274         loop does not invoke NEXT_INSN on a deleted insn.
2275         (fixup_eh_region_note): Make the loop terminate if i becomes NULL.
2276         (delete_output_reload): New variable prev. Make sure the the for
2277         loops do not invoke PREV_INSN on a deleted insn.
2278
2279 2007-09-06  Zdenek Dvorak  <ook@ucw.cz>
2280
2281         * cgraphbuild.c (rebuild_cgraph_edges): Export.
2282         * cgraph.h (rebuild_cgraph_edges): Declare.
2283         * tree-pass.h (pass_expand_omp_ssa): New.
2284         * omp-low.c (find_omp_clause): Export.
2285         (copy_var_decl): Split from omp_copy_decl_2.
2286         (build_omp_barrier): Return the call to emit instead of emitting
2287         it directly.
2288         (lower_rec_input_clauses, expand_omp_single): Gimplify the result of
2289         build_omp_barrier.
2290         (extract_omp_for_data, expand_parallel_call, expand_omp_parallel,
2291         expand_omp_for_generic, expand_omp_for_static_nochunk,
2292         expand_omp_for_static_chunk, expand_omp_for, expand_omp_sections):
2293         Adapted to work on SSA form.
2294         (execute_expand_omp): Do not invalidate dominance information.
2295         (gate_expand_omp): Do not run with -fopenmp-ssa flag.
2296         (gate_expand_omp_ssa, pass_expand_omp_ssa): New.
2297         * gimplify.c (gimplify_omp_for): Ensure that the control variable is
2298         a gimple_reg.
2299         (force_gimple_operand): Allow gimplifying code expressions without
2300         value.
2301         * tree-predcom.c (mark_virtual_ops_for_renaming): Handle phi nodes.
2302         * common.opt (fopenmp-ssa): New.
2303         * tree-flow.h (find_omp_clause, copy_var_decl): Declare.
2304         * Makefile.in (tree-cfg.o): Add TREE_INLINE_H dependency.
2305         * tree-cfg.c: Include tree-inline.h.
2306         (struct move_stmt_d): Replace vars_to_remove by vars_map field.
2307         (replace_by_duplicate_decl, replace_ssa_name,
2308         mark_virtual_ops_in_region): New functions.
2309         (move_stmt_r, move_block_to_fn, move_sese_region_to_fn): Adapted
2310         to work on SSA form.
2311         * passes.c (init_optimization_passes): Add pass_expand_omp_ssa pass.
2312         * tree-ssa-operands.c (get_expr_operands): Handle operands of OMP
2313         constructs.
2314
2315 2007-09-06  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2316
2317         * tree-loop-linear.c: Include obstack.h.
2318         (linear_transform_loops): New obstack lambda_obstack.
2319         Initialize it, pass it to gcc_loopnest_to_lambda_loopnest,
2320         lambda_loopnest_transform, lambda_loopnest_to_gcc_loopnest calls
2321         and free afterwards.
2322         * lambda.h (struct obstack): New forward declaration.
2323         (lambda_linear_expression_new): New parameter of type struct
2324         obstack *.
2325         (lambda_loopnest_new): Likewise.
2326         (lambda_loopnest_transform): Likewise.
2327         (lambda_body_vector_new): Likewise.
2328         (lambda_body_vector_compute_new): Likewise.
2329         (gcc_loopnest_to_lambda_loopnest): Likewise.
2330         (lambda_loopnest_to_gcc_loopnest): Likewise.
2331         * lambda-code.c: Include obstack.h.
2332         (lambda_lattice_new): New parameter lambda_obstack.  Use it for
2333         allocation of ret.
2334         (lambda_body_vector_new): Likewise.
2335         (lambda_linear_expression_new): Likewise.
2336         (lambda_lattice_new): Likewise.
2337         (lambda_loopnest_new): Likewise.  Additionally use obstack to
2338         allocate LN_LOOPS(ret).
2339         (lambda_lattice_compute_base): New parameter lambda_obstack.  Pass
2340         it to lambda_lattice_new.
2341         (lambda_body_vector_compute_new): New parameter lambda_obstack.
2342         Pass it to lambda_body_vector_new.
2343         (lambda_lattice_compute_base): New paramater lambda_obstack.  Pass
2344         it to lambda_lattice_new.
2345         (compute_nest_using_fourier_motzkin): New parameter lambda_obstack.
2346         Pass it to lambda_loopnest_new, lambda_linear_expression_new.
2347         (lambda_compute_target_space): Likewise.
2348         (lambda_compute_auxillary_space): New parameter lambda_obstack.
2349         Pass it to lambda_lattice_compute_base and
2350         compute_nest_using_fourieer_motzkin.
2351         (lambda_loopnest_transform): New parameter lambda_obstack.  Pass
2352         it to lambda_lattice_compute_base, lambda_lattice_auxillary_space
2353         and lambda_lattice_compute_target_space.
2354         (gcc_tree_to_linear_expression): Nex parameter lambda_obstack.
2355         Pass it to lambda_linear_expression_new.
2356         (gcc_loop_to_lambda_loop): New parameter lambda_obstack.  Pass it
2357         to gcc_tree_to_linear_expression.
2358         (gcc_loopnest_to_lambda_loopnest): New parameter lambda_obstack.
2359         Pass it to gcc_loop_to_lambda_loop and lambda_loopnest_new.
2360         (lambda_loopnest_to_gcc_loopnest): New parameter lambda_obstack.
2361         Pass it to lambda_body_vector_new and
2362         lambda_body_vector_compute_new.
2363         * Makefile.in (tree-loop-linear.o): Add $(OBSTACK_H) dependency.
2364         (lambda-code.o): Likewise.
2365
2366 2007-09-06  Chao-ying Fu  <fu@mips.com>
2367
2368         * ginclude/stdfix.h: New file.
2369         * Makefile.in (USER_H): Add $(srcdir)/ginclude/stdfix.h.
2370         (convert.o): Add dependence on fixed-value.h.
2371         * c-convert.c (convert): Support FIXED_POINT_TYPE.
2372         * c-cppbuiltin.c (builtin_define_fixed_point_constants): New function
2373         to define fixed-point constants.
2374         (c_cpp_builtins): Define fixed-point constants.
2375         * convert.c (fixed-value.h): New include.
2376         (convert_to_real): Update comment to include fixed-point.
2377         Support FIXED_POINT_TYPE.
2378         (convert_to_integer): Update comment to include fixed-point.
2379         Support FIXED_POINT_TYPE.
2380         (convert_to_complex): Support FIXED_POINT_TYPE.
2381         (convert_to_fixed): New function.
2382         * convert.h (convert_to_fixed): Declare.
2383         * genopinit.c: Add comment about $Q for only fixed-point modes.
2384         (optabs): Add fract_optab, fractuns_optab, satfract_optab,
2385         satfractuns_optab, add_optab, ssadd_optab, usadd_optab, sub_optab,
2386         sssub_optab, ussub_optab, smul_optab, ssmul_optab, usmul_optab,
2387         ssmadd_widen_optab, usmadd_widen_optab, ssdiv_optab, udiv_optab,
2388         usdiv_optab, ssashl_optab, usashl_optab, neg_optab, ssneg_optab,
2389         usneg_optab for fixed-point modes.
2390         (gen_insn): Add force_fixed to track the $Q format for all fixed-point
2391         modes.
2392         * optabs.c (optab_for_tree_code): For *DIV_EXPR, LSHIFT_EXPR,
2393         PLUS_EXPR, MINUS_EXPR, MULT_EXPR, NEGATE_EXPR, return signed or
2394         unsigned saturation optabs, when type is saturating.
2395         (shift_optab_p): Return true for SS_ASHIFT or US_ASHIFT.
2396         (expand_fixed_convert): New function.
2397         (gen_fixed_libfunc, gen_signed_fixed_libfunc,
2398         gen_unsigned_fixed_libfunc, gen_int_fp_fixed_libfunc,
2399         gen_int_fp_signed_fixed_libfunc, gen_int_fixed_libfunc,
2400         gen_int_signed_fixed_libfunc, gen_int_unsigned_fixed_libfunc,
2401         gen_fract_conv_libfunc, gen_fractuns_conv_libfunc,
2402         gen_satfract_conv_libfunc, gen_satfractuns_conv_libfunc): New
2403         functions.
2404         (init_optabs): Initialize ssadd_optab, usadd_optab, sssub_optab,
2405         ussub_optab, ssmul_optab, usmul_optab, ssmadd_widen_optab,
2406         usmadd_widen_optab, ssmsub_widen_optab, usmsub_widen_optab,
2407         ssdiv_optab, usdiv_optab, ssashl_optab, usashl_optab, ssneg_optab,
2408         usneg_optab, fract_optab, fractuns_optab, satfract_optab,
2409         satfractuns_optab.
2410         Initialize fixed-point libraries, including add, ssadd, usadd, sub,
2411         sssub, ussub, mul, ssmul, usmul, div, ssdiv, udiv, usdiv, ashl,
2412         ssashl, usashl, ashr, lshr, neg, ssneg, usneg, cmp, fract, satfract,
2413         fractuns, satfractuns.
2414         * optabs.h (enum optab_index): Add OTI_ssadd, OTI_usadd, OTI_sssub,
2415         OTI_ussub, OTI_ssmul, OTI_usmul, OTI_ssdiv, OTI_usdiv, OTI_ssneg,
2416         OTI_usneg, OTI_ssashl, OTI_usashl, OTI_ssmadd_widen, OTI_usmadd_widen,
2417         OTI_ssmsub_widen,  OTI_usmsub_widen.
2418         (ssadd_optab, usadd_optab, sssub_optab, ussub_optab, ssmul_optab,
2419         usmul_optab, ssdiv_optab, usdiv_optab, ssneg_optab, usneg_optab,
2420         ssashl_optab, usashl_optab, ssmadd_widen_optab, usmadd_widen_optab,
2421         umsub_widen_optab, usmsub_widen_optab): Define.
2422         (enum convert_optab_index): Add COI_fract, COI_fractuns, COI_satfract,
2423         COI_satfractuns.
2424         (fract_optab, fractuns_optab, satfract_optab, satfractuns_optab):
2425         Define.
2426         (expand_fixed_convert): Declare.
2427         * expr.c (convert_move): Support the move of fixed-point modes.
2428         (emit_move_insn_1): Handle fixed-point mode to move via integer.
2429         (categorize_ctor_elements_1): Handle FIXED_CST.
2430         (count_type_elements): Handle FIXED_POINT_TYPE.
2431         (expand_expr_real_1): For VECTOR_CST, check MODE_VECTOR_FRACT,
2432         MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
2433         Support FIXED_CST.
2434         For PLUS_EXPR and MINUS_EXPR, support saturating and non-saturating
2435         multiply and add/subtract for fixed-point types.
2436         For MULT_EXPR, *DIV_EXPR, *SHIFT_EXPR, if the mode if a fixed-point
2437         mode, we jump to binop directly.
2438         Support FIXED_CONVERT_EXPR.
2439         (do_store_flag): Check FIXED_CST to put a constant second.
2440         (vector_mode_valid_p): Handle MODE_VECTOR_FRACT,
2441         MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
2442         (const_vector_from_tree): Support FIXED_CST.
2443         * doc/extend.texi (Fixed-Point): New node.
2444         * doc/md.texi (ssadd, usadd, sssub, ussub, ssmul, usmul, ssdiv, usdiv,
2445         ssmadd, usmadd, ssmsub, usmsub, ssashl, usashl, ssneg, usneg, fract,
2446         satfract, fractuns, satfractuns): Document them.
2447
2448 2007-09-07  Bernd Schmidt  <bernd.schmidt@analog.com>
2449
2450         * config/bfin/bfin.h (PREFERRED_RELOAD_CLASS): Don't reload autoinc
2451         addresses into I registers.
2452
2453 2007-09-06  Jan Hubicka  <jh@suse.cz>
2454             Andreas Tobler  <a.tobler@schweiz.org>
2455
2456         * config/darwin.c (machopic_indirect_data_reference): Avoid invalid
2457         sharing.
2458         (machopic_legitimize_pic_address): Likewise.
2459
2460 2007-09-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2461             Jan Hubicka  <jh@suse.cz>
2462
2463         * config/spu/spu.md (floatsidf2): Use convert_optab_libfunc
2464         instead of ufloat_optab->handlers directly.
2465         (floatdidf2): Likewise.
2466
2467 2007-09-06  Sandra Loosemore  <sandra@codesourcery.com>
2468
2469         * config/mips/mips.c:  Include diagnostic.h.
2470         (mips_set_current_function): Check errorcount and sorrycount 
2471         before generating RTL.
2472
2473 2007-09-06  Richard Sandiford  <richard@codesourcery.com>
2474
2475         PR target/33256
2476         * config/mips/mips.c (mips_classify_symbolic_expression): New function.
2477         (mips_classify_address): Use it instead of mips_symbolic_constant_p.
2478         (print_operand_reloc): Likewise.
2479
2480 2007-09-06  Janis Johnson  <janis187@us.ibm.com>
2481
2482         Revert:
2483
2484         2007-09-06  Jan Hubicka  <jh@suse.cz>
2485  
2486         * i386.c (ix86_expand_lround, ix86_expand_round): Update call of
2487         real_2expN.
2488
2489         2007-09-06  Richard Sandiford  <richard@codesourcery.com>
2490
2491         * config/mips/mips.md (fixuns_truncdfsi2, fixuns_truncdfdi2)
2492         (fixuns_truncsfsi2, fixuns_truncsfdi2): Update calls to real_2expN.
2493
2494         2007-09-05  Janis Johnson  <janis187@us.ibm.com>
2495
2496         * optabs.c (expand_float): Convert unsigned integer as signed only
2497         if it provides sufficient accuracy; add mode argument to real_2expN.
2498         (expand_fix): Fix comment typos; extend binary float into mode
2499         wider than destination for converion to unsigned integer; add mode
2500         argument to real_2expN.
2501         * real.c (real_2expN): Add mode argument to special-case decimal
2502         float values.
2503         * real.h (real_2expN): Ditto.
2504         * fixed-value.c (check_real_for_fixed_mode): Add mode argument to
2505         real_2expN.
2506         (fixed_from_string): Ditto.
2507         (fixed_to_decimal): Ditto.
2508         (fixed_convert_from_real): Ditto.
2509         (real_convert_from_fixed): Ditto.
2510         * config/rs6000/rs6000.md (FP): Include DD and TD modes.
2511         * config/rs6000/dfp.md (extendddtd2, adddd3, addtd3, subdd3, subtd3,
2512         muldd3, multd3, divdd3, divtd3, cmpdd_internal1, cmptd_internal1,
2513         floatditd2, ftruncdd2, fixdddi2, ftrunctd2, fixddi2): New.
2514
2515 2007-09-06  Tom Tromey  <tromey@redhat.com>
2516
2517         * tree-cfg.c (remove_bb): Only warn if line is non-zero.
2518         * c-pch.c (c_common_read_pch): Restore current location after
2519         reading PCH file.
2520         * tree.c (expand_location): Update.
2521         (expr_filename): Changed return type.  Unified the two cases.
2522         (expr_lineno): Likewise.
2523         (annotate_with_file_line): Don't use EXPR_LINENO and EXPR_FILENAME
2524         as lvalues.
2525         * toplev.c (line_table): Changed type.
2526         (general_init): Update.
2527         (realloc_for_line_map): New function.
2528         (general_init): Allocate line_table using GC.
2529         * fix-header.c (line_table): Changed type.
2530         (read_scan_file): Update.
2531         (read_scan_file): Update.
2532         * c-ppoutput.c (maybe_print_line): Update.
2533         (print_line): Update.
2534         (cb_line_change): Update.
2535         (cb_define): Update.
2536         (pp_file_change): Update.
2537         * c-opts.c (c_common_init_options): Update.
2538         (finish_options): Update.
2539         (push_command_line_include): Update.
2540         * c-lex.c (cb_line_change): Update.
2541         (cb_def_pragma): Update.
2542         (cb_define): Update.
2543         (cb_undef): Update.
2544         (c_lex_with_flags): Use cpp_get_token_with_location.
2545         * input.h (line_table): Changed type.
2546         (location_from_locus): New macro.
2547         * tree.h (EXPR_FILENAME): No longer an lvalue.
2548         (EXPR_LINENO): Likewise.
2549         (expr_locus, set_expr_locus): Declare separately for
2550         USE_MAPPED_LOCATION.
2551         (expr_filename, expr_lineno): Changed return type.
2552         * gimplify.c (tree_to_gimple_tuple): Use SET_EXPR_LOCUS.
2553         * cfgexpand.c (expand_gimple_cond_expr): Use location_from_locus.
2554         (expand_gimple_basic_block): Likewise.
2555         * final.c (final_scan_insn): Use expanded_location.
2556
2557 2007-09-06  Richard Guenther  <rguenther@suse.de>
2558
2559         PR tree-optimization/32586
2560         * tree-ssa-sccvn.c (simplify_binary_expression): Avoid
2561         folding if nothing changed.
2562         (simplify_unary_expression): New function.  Do tree combining
2563         on conversion like codes.
2564         (try_to_simplify): Call it.
2565         * builtins.c (fold_builtin_cexp): Fold the built expressions.
2566         * fold-const.c (fold_unary): Test result of get_callee_fndecl().
2567
2568 2007-09-06  Jan Hubicka  <jh@suse.cz>
2569
2570         PR target/33318
2571         * cse.c (fold_rtx): Avoid invalid sharing.
2572
2573 2007-09-06  Richard Sandiford  <richard@codesourcery.com>
2574
2575         * config/mips/mips.md (fixuns_truncdfsi2, fixuns_truncdfdi2)
2576         (fixuns_truncsfsi2, fixuns_truncsfdi2): Update calls to real_2expN.
2577
2578 2007-09-06  Revital Eres  <eres@il.ibm.com>
2579
2580         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
2581         Fix offsettable memory reference for 750CL.
2582
2583 2007-09-06  Pat Haugen  <pthaugen@us.ibm.com>
2584
2585         * reload.c (find_reloads_address_1): Try to preserve original
2586         base/index regclass of operands.
2587         * regrename.c (scan_rtx_address): Likewise.
2588         (replace_oldest_value_addr): Likewise.
2589
2590 2007-09-06  Richard Guenther  <rguenther@suse.de>
2591
2592         PR tree-optimization/33302
2593         * domwalk.c (walk_dominator_tree): The exit block is
2594         interesting even if it is not reachable.
2595
2596 2007-09-06  Richard Sandiford  <richard@codesourcery.com>
2597
2598         PR middle-end/33306
2599         * optabs.c (avoid_expensive_constant): Do nothing if MODE is VOIDmode.
2600
2601 2007-09-06  Basile Starynkevitch  <basile@starynkevitch.net>
2602
2603         * cfg.c (dump_bb_info, dump_edge_info): Added cfun test for 
2604         robustness.
2605
2606 2007-09-05  Ian Lance Taylor  <iant@google.com>
2607
2608         * tree-pretty-print.c (dump_decl_name): Cast LABEL_DECL_UID to int
2609         when printing.
2610         (dump_generic_node): Likewise.
2611         * print-rtl.c (print_decl_name): Likewise.
2612         * print-tree.c (print_node_brief): Likewise.
2613         (print_node): Likewise.
2614         * Makefile.in (RTL_BASE_H): Add alias.h.
2615         (TREE_H): Likewise.
2616
2617 2007-09-06  Jesper Nilsson  <jesper.nilsson@axis.com>
2618
2619         * longlong.h [__CRIS_arch_version >= 8] (count_trailing_zeros):
2620         Defined.
2621         * config/cris/cris.md (ctzsi2, cris_swap_bits): Implemented.
2622         * config/cris/cris.h (CTZ_DEFINED_VALUE_AT_ZERO): Defined.
2623
2624 2007-09-06  Jie Zhang  <jie.zhang@analog.com>
2625
2626         * config.gcc (tm_file): Add linux.h for bfin*-uclinux*.
2627         (tm_defines): Define UCLIBC_DEFAULT to 1.
2628         (extra_options): Add linux.opt.
2629         * config/bfin/linux.h (CPLUSPLUS_CPP_SPEC): Don't define.
2630         (CRT_CALL_STATIC_FUNCTION): Likewise.
2631         (NO_IMPLICIT_EXTERN_C): Likewise.
2632         (TARGET_OS_CPP_BUILTINS): Define as LINUX_TARGET_OS_CPP_BUILTINS.
2633         * config/bfin/elf.h (OBJECT_FORMAT_ELF): Don't define.
2634         * config/bfin/uclinux.h (CPLUSPLUS_CPP_SPEC): Don't define.
2635         (ENDFILE_SPEC): Don't define.
2636         (LIB_SPEC): Likewise.
2637         (CRT_CALL_STATIC_FUNCTION): Likewise.
2638         (NO_IMPLICIT_EXTERN_C): Likewise.
2639         (LINUX_TARGET_OS_CPP_BUILTINS): Likewise.
2640         (TARGET_OS_CPP_BUILTINS): Define as LINUX_TARGET_OS_CPP_BUILTINS.
2641
2642 2007-09-06  Jan Hubicka  <jh@suse.cz>
2643
2644         * i386.c (ix86_expand_lround, ix86_expand_round): Update call of
2645         real_2expN.
2646
2647 2007-09-06  Jan Hubicka  <jh@suse.cz>
2648
2649         * opts.c (common_handle_option): Enable inlining functions for
2650         -fprofile-generate.
2651
2652 2007-09-06  Jakub Jelinek  <jakub@redhat.com>
2653
2654         * builtin-attrs.def (ATTR_NONNULL_3): New.
2655         (DEF_FORMAT_ATTRIBUTE): Use just ATTR_NONNULL_##FA instead of
2656         ATTR_NOTHROW_NONNULL_##FA.
2657         (DEF_FORMAT_ATTRIBUTE_NOTHROW, DEF_FORMAT_ATTRIBUTE_BOTH): New macros.
2658         (ATTR_FORMAT_PRINTF_NOTHROW_2_0, ATTR_PRINTF_NOTHROW_2_3,
2659         ATTR_FORMAT_PRINTF_NOTHROW_3_0, ATTR_FORMAT_PRINTF_NOTHROW_3_4,
2660         ATTR_FORMAT_PRINTF_NOTHROW_4_0, ATTR_PRINTF_NOTHROW_4_5,
2661         ATTR_FORMAT_PRINTF_NOTHROW_5_0, ATTR_FORMAT_PRINTF_NOTHROW_5_6,
2662         ATTR_FORMAT_SCANF_NOTHROW_2_0, ATTR_FORMAT_SCANF_NOTHROW_2_3,
2663         ATTR_FORMAT_STRFTIME_NOTHROW_3_0, ATTR_FORMAT_STRFMON_NOTHROW_3_4):
2664         New.
2665         (ATTR_FORMAT_PRINTF_4_0, ATTR_PRINTF_4_5, ATTR_FORMAT_PRINTF_5_0,
2666         ATTR_FORMAT_PRINTF_5_6, ATTR_FORMAT_STRFTIME_3_0,
2667         ATTR_FORMAT_NOTHROW_3_4): Remove.
2668         * builtins.def (snprintf, sprintf, sscanf, vsnprintf, vsprintf,
2669         vsscanf, strfmon, strftime, __snprintf_chk, __sprintf_chk,
2670         __vsnprintf_chk, __vsprintf_chk): Use ATTR_FORMAT_*_NOTHROW_*
2671         instead of ATTR_FORMAT_*_*.
2672
2673 2007-09-06  Hans-Peter Nilsson  <hp@axis.com>
2674
2675         * config/cris/cris.c (cris_emit_movem_store): Call copy_rtx on
2676         parts re-used for REG_FRAME_RELATED_EXPR.
2677
2678 2007-09-05  Janis Johnson  <janis187@us.ibm.com>
2679
2680         * optabs.c (expand_float): Convert unsigned integer as signed only
2681         if it provides sufficient accuracy; add mode argument to real_2expN.
2682         (expand_fix): Fix comment typos; extend binary float into mode
2683         wider than destination for converion to unsigned integer; add mode
2684         argument to real_2expN.
2685         * real.c (real_2expN): Add mode argument to special-case decimal
2686         float values.
2687         * real.h (real_2expN): Ditto.
2688         * fixed-value.c (check_real_for_fixed_mode): Add mode argument to
2689         real_2expN.
2690         (fixed_from_string): Ditto.
2691         (fixed_to_decimal): Ditto.
2692         (fixed_convert_from_real): Ditto.
2693         (real_convert_from_fixed): Ditto.
2694         * config/rs6000/rs6000.md (FP): Include DD and TD modes.
2695         * config/rs6000/dfp.md (extendddtd2, adddd3, addtd3, subdd3, subtd3,
2696         muldd3, multd3, divdd3, divtd3, cmpdd_internal1, cmptd_internal1,
2697         floatditd2, ftruncdd2, fixdddi2, ftrunctd2, fixddi2): New.
2698
2699 2007-09-05  Ian Lance Taylor  <iant@google.com>
2700
2701         * init-regs.c (initialize_uninitialized_regs): Call
2702         emit_insn_before rather than add_insn_before.
2703
2704 2007-09-05  Jakub Jelinek  <jakub@redhat.com>
2705
2706         * builtins.def (BUILT_IN_VA_ARG_PACK): New built-in.
2707         * tree.h (CALL_EXPR_VA_ARG_PACK): Define.
2708         * tree-inline.h (copy_body_data): Add call_expr field.
2709         * tree-inline.c (expand_call_inline): Initialize call_expr.
2710         (copy_bb): Append anonymous inline fn arguments to arguments
2711         when inlining a CALL_EXPR_VA_ARG_PACK call.
2712         * builtins.c (expand_builtin): Issue an error if
2713         BUILT_IN_VA_ARG_PACK is seen during expand.
2714         (fold_call_expr, fold_builtin_call_array): Don't fold
2715         CALL_EXPR_VA_ARG_PACK CALL_EXPRs or calls with
2716         __builtin_va_arg_pack () call as last argument.
2717         * gimplify.c (gimplify_call_expr): If last argument to a vararg
2718         function is __builtin_va_arg_pack (), decrease number of call
2719         arguments and instead set CALL_EXPR_VA_ARG_PACK on the CALL_EXPR.
2720         * expr.c (expand_expr_real_1): Issue an error if
2721         CALL_EXPR_VA_ARG_PACK CALL_EXPR is seen during expand.
2722         * tree-pretty-print.c (dump_generic_node): Handle printing
2723         CALL_EXPR_VA_ARG_PACK bit on CALL_EXPRs.
2724         * doc/extend.texi (__builtin_va_arg_pack): Document.
2725
2726 2007-09-05  Adam Nemet  <anemet@caviumnetworks.com>
2727
2728         PR tree-optimization/21513
2729         * builtins.c (build_builtin_expect_predicate): New function.
2730         (fold_builtin_expect): Add argument for expected value.
2731         Distribute __builtin_expect over short-circuiting operations.
2732         Fold nested builtin_expects.
2733         (fold_builtin_2): Adjust call to fold_builtin_expect.
2734
2735 2007-09-05  Rask Ingemann Lambertsen  <rask@sygehus.dk>
2736
2737         PR web/32965
2738         PR tree-optimization/13756
2739         * doc/invoke.texi (Options That Control Optimization): Document
2740         -ftree-dse.
2741
2742 2007-09-05  Uros Bizjak  <ubizjak@gmail.com>
2743
2744         * gcc/config/i386/cpuid.h: New file.
2745         * gcc/config/i386/driver-i386.c: Include cpuid.h.
2746         (describe_cache): Shrink size and line strings to 100 bytes.
2747         (detect_caches_amd): Return "" for unsupported max_ext_level.
2748         Use __cpuid function.
2749         (detect_caches_intel): Return "" for unsupported max_level.
2750         Use __cpuid function.
2751         (host_detect_local_cpu): Change feature flag variables to
2752         unsigned int.  Initialize only extended feature flag variables.
2753         Use __get_cpuid_max to determine max supported cpuid level.
2754         Use __cpuid function to determine supported features.  Fix
2755         calculation of family id.  Remove is_amd and check signature
2756         directly.  Check for Geode signature.  Handle family 4 id.
2757         [PROCESSOR_GENERIC32]: New default for unknown family id.  Move
2758         cpu discovery code to lower part of the function.
2759         [PROCESSOR_PENTIUM, PROCESSOR_K6, PROCESSOR_ATHLON]: Do not tune
2760         for sub-architecture.
2761         [PROCESSOR_PENTIUMPRO]: Simplify cpu discovery code.
2762         [PROCESSOR_K8]: Add k8-sse3 architecture.
2763         [PROCESSOR_NOCONA]: Remove.
2764         [PROCESSOR_GENERIC64]: Ditto.
2765         * gcc/config/i386/x-i386 (driver-i386.o): Depend on cpuid.h.
2766         * gcc/config/i386/crtfastmath.c: Include cpuid.h.  Use __get_cpuid
2767         to check for SSE and FXSAVE support.
2768         * gcc/config/i386/t-crtfm (crtfastmath.o): Depend on cpuid.h.
2769         Add -minline-all-stringops.
2770         * gcc/config.gcc (i[34567]86-*-*): Add cpuid.h to extra_headers.
2771         (x86_64-*-*): Ditto.
2772
2773 2007-09-05  Jie Zhang  <jie.zhang@analog.com>
2774
2775         * config/bfin/linux-unwind.h: New file.
2776         * config/bfin/linux.h (MD_UNWIND_SUPPORT): Define.
2777         * config/bfin/uclinux.h (MD_UNWIND_SUPPORT): Define.
2778
2779 2007-09-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2780
2781         * Makefile.in (stmt.o): Add alloc-pool.h dependency.
2782         * stmt.c: Include alloc-pool.h.
2783         (struct case_node): Remove GTY marker.
2784         (add_case_node): New parameter case_node_pool.  Use it for
2785         allocation of r.
2786         (expand_case): New allocation pool case_node_pool.  Initialize it,
2787         pass to add_case_node and free it.
2788
2789 2007-09-05  Sandra Loosemore  <sandra@codesourcery.com>
2790             David Ung  <davidu@mips.com>
2791             Nigel Stephens <nigel@mips.com>
2792
2793         Add mips16/nomips16 function attributes and -mflip-mips16 option
2794         for testing mixed-mode compilation.
2795
2796         * config/mips/mips.opt (mflip-mips16): New.
2797
2798         * config/mips/mips.h (SYMBOL_FLAG_MIPS16_FUNC): Define.
2799         (SYMBOL_FLAG_MIPS16_FUNC_P): Define.
2800
2801         * config/mips/mips.c (mips_base_target_flags): New.
2802         (mips_base_mips16): New.
2803         (mips_base_schedule_insns): New.
2804         (mips_base_reorder_blocks_and_partition): New.
2805         (mips_base_align_loops): New.
2806         (mips_base_align_jumps): New.
2807         (mips_base_align_functions): New.
2808         (mips16_flipper): New.
2809         (mips_attribute_table): Add "mips16" and "nomips16" entries.
2810         (TARGET_SET_CURRENT_FUNCTION): Define.
2811         (mips_mips16_type_p, mips_nomips16_type_p): New.
2812         (mips_comp_type_attributes): Check mips16/nomips16 attributes.
2813         (mips_function_ok_for_sibcall): Make it deal with functions with
2814         mips16 attributes.
2815         (mips_init_split_addresses): New, split out from override_options.
2816         (mips_init_relocs): New, split out from override_options.
2817         (was_mips16_p): New.
2818         (mips_set_mips16_mode): New, split out from override_options.
2819         (mips_set_current_function): New.
2820         (override_options): Add sorry for unsupported mips16/pic
2821         combination.  Remove error for mips16/dsp combination.  Save
2822         base option settings.  
2823         (mips_file_start): Move mips16 mode setting output from here....
2824         (mips_output_function_prologue): ....to here.
2825         (mips_output_mi_thunk): Check for mips16 function.
2826         (build_mips16_function_stub): Don't set .mips16 here.
2827         (build_mips16_call_stub): Likewise.
2828         (mips_expand_builtin): Error in mips16 mode.
2829         (mips_use_mips16_mode_p): New.
2830         (mips_encode_section_info): Check for mips16 function, and set
2831         SYMBOL_REF_FLAGS accordingly.
2832
2833         * doc/extend.texi (Function Attributes): Document new
2834         mips16/nomips16 attributes.
2835         * doc/invoke.texi (Option Summary): Add -mflip-mips16.
2836         (MIPS Options): Document -mflip-mips16.
2837
2838 2007-09-05  Sandra Loosemore  <sandra@codesourcery.com>
2839
2840         * config/mips/mips.c (mips_legitimize_tls_address): Call sorry
2841         if we encounter TLS address in MIPS16 mode.
2842         (mips_legitimize_const_move): Check cannot_force_const_mem for
2843         the (const (plus symbol offset)) case; this forces invalid TLS
2844         address in MIPS16 mode to be caught by the above call to sorry.
2845         (override_options): Don't reset targetm.have_tls in MIPS16 mode,
2846         because that now enables emutls, which is not ABI compatible
2847         with native TLS in non-MIPS16 mode.
2848
2849 2007-09-05  Sandra Loosemore  <sandra@codesourcery.com>
2850
2851         Add target hook invoked when cfun changes.
2852
2853         * doc/tm.texi (TARGET_SET_CURRENT_FUNCTION): Document.
2854         * target.h (struct gcc_target): Add set_current_function.
2855         * target-def.h (TARGET_SET_CURRENT_FUNCTION): Define.
2856         (TARGET_INITIALIZER): Add initializer for set_current_function.
2857         * tree.h (push_struct_function): New.
2858         * tree-inline.h (push_cfun, pop_cfun): Move declarations to...
2859         * function.h: Here.
2860         (set_cfun): Declare.
2861         * tree-inline.c (cfun_stack, push_cfun, pop_cfun): Moved to...
2862         * function.c: Here.
2863         (push_function_context_to): Use allocate_struct_function
2864         to create null context, not init_dummy_function_start.  Use set_cfun.
2865         (pop_function_context_from): Use set_cfun.
2866         (in_dummy_function): New.
2867         (invoke_set_current_function_hook): New.
2868         (set_cfun): New.
2869         (push_cfun, pop_cfun): Use set_cfun.
2870         (push_struct_function): New.
2871         (allocate_struct_function): Call invoke_set_current_function_hook
2872         before returning.
2873         (prepare_function_start): Don't set cfun here.  Remove unused
2874         argument; fix all callers.
2875         (init_dummy_function_start): Fiddle with in_dummy_function.  Call
2876         push_struct_function.
2877         (init_function_start): Set cfun here.
2878         (expand_dummy_function_end): Fiddle with in_dummy_function.  Pop cfun.
2879         * omp-low.c (create_omp_child_function): Use push_struct_function
2880         and pop_cfun to save/restore state.
2881         (expand_omp_parallel): Remove unused saved_cfun variable.
2882         * cgraphunit.c (ipa_passes): Use set_cfun.
2883         * gimple-low.c (record_vars_into): Use push_cfun/pop_cfun here.
2884         * dwarf2out.c (dwarf2out_abstract_function): Likewise.
2885         * matrix-reorg.c (transform_allocation_sites): Likewise.
2886         (matrix_reorg): Use set_cfun.
2887         * gimplify.c (gimplify_function_tree): Use push_cfun/pop_cfun here.
2888         * tree-optimize.c (tree_rest_of_compilation): Remove one redundant
2889         assignment to cfun; use set_cfun for the other.
2890         * tree-cfg.c (move_sese_region_to_fn): Use set_cfun.
2891         (dump_function_to_file): Use push_cfun/pop_cfun here.
2892         * c-decl.c (finish_function): Use set_cfun.
2893
2894 2007-09-05  Kenneth Zadeck <zadeck@naturalbridge.com>
2895
2896         * regrename.c (rerename_optimize): Use deferred rescanning and
2897         insert explicit calls to rescan insns when changed.
2898         
2899 2007-09-05  Jan Hubicka  <jh@suse.cz>
2900
2901         * optabs.c (libfunc_entry): Change optab to integer.
2902         (hash_libfunc, convert_optab_libfunc, optab_libfunc,
2903         set_optab_libfunc, set_conv_libfunc): Use optable indexes instead
2904         of pointers for hashing.
2905
2906 2007-09-05  Jan Hubicka  <jh@suse.cz>
2907
2908         * regrename.c (pass_regrename, pass_cprop_hardreg): Add RTL sharing
2909         verifier.
2910         * fwprop.c (pass_rtl_fwprop, pass_rtl_fwprop_add): Likewise.
2911         * see.c (pass_see): Likewise.
2912         * tracer.c (pass_tracer): Likewise.
2913         * postreload-gcse.c (pass_gcse2): Likewise.
2914         * postreload.c (pass_postreload_cse): Likewise.
2915         * mode-switching.c (pass_mode_switching): Likewise.
2916         * modulo-sched.c (pass_sms): Likewise.
2917         * cse.c (cse_insn): Likewise.
2918         * web.c (pass_web): Likweise.
2919         * combine-stack-adj.c (pass_stack_adjustments): Likewise.
2920         * dce.c (pass_ud_rtl_dce, pass_fast_rtl_dce): Likewise.
2921         * loop-init.c (pass_rtl_loop_init): Likewise.
2922         (pass_rtl_loop_done, pass_rtl_move_loop_, pass_rtl_unswitch,
2923         pass_rtl_unroll_and, pass_rtl_doloop): Likewise.
2924         * global.c (pass_global_alloc): Likewise.
2925         * ifcvt.c (pass_rtl_ifcvt, pass_if_after_combine,
2926         pass_if_after_reload): Likewise.
2927         * reload.c (pass_peephole2, pass_split_for_shoren_branches): Likewise.
2928         * dse.c (pass_rtl_dse1, pass_rtl_dse2): Likewise.
2929         * regmove.c (pass_regmove): Likewise.
2930         * function.c (pass_thread_prologugues_epilogues): Likewise.
2931         * gcse.c (pass_gcse): Likewise.
2932         * rtl-factoring.c (pass_rtl_seqabstr): Likewise.
2933         * lower-subreg.c (pass_lower_subreg2): Likewise.
2934         * bt-load.c (pass_branch_target_load): Likewise.
2935         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
2936         * cfgcleanup.c (pass_jump, pass_jump2): Likewise.
2937         * combine.c (pass_combine): Likewise.
2938         * bb-reorder.c (pass_duplicate_comp, pass_reorder_blocks): Likewise.
2939         (pass_partition_blocks): Likewise.
2940         * var-tracking.c (pass_variable_track): Likewise.
2941         * reg-stack.c (pass_stack_regs_run): Likewise.
2942         * sched-rgn.c (pass_sched, pass_sched2): Likewise.
2943         * passes.c (pass_postreload): Likewise.
2944         (execute_function_todo): Add TODO_verify_rtl_sharing handling code.
2945         * tree-pass.h (TODO_verify_rtl_sharing): New.
2946         (TODO_update_ssa, TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
2947         TODO_update_ssa_only_virtuals, TODO_remove_unused_locals,
2948         TODO_set_props, TODO_df_finish, TODO_df_verify,
2949         TODO_mark_first_instance, TODO_rebuild_alias): Renumber.
2950
2951 2007-09-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2952
2953         * fold-const.c (all_ones_mask_p, sign_bit_p, simple_operand_p,
2954         fold_real_zero_addition_p, reorder_operands_p,
2955         div_if_zero_remainder, fold_undefer_overflow_warnings,
2956         int_binop_types_match_p, fold_convert_const_int_from_int,
2957         fold_convert_const_int_from_real,
2958         fold_convert_const_int_from_fixed,
2959         fold_convert_const_real_from_real,
2960         fold_convert_const_real_from_fixed,
2961         fold_convert_const_fixed_from_fixed,
2962         fold_convert_const_fixed_from_int,
2963         fold_convert_const_fixed_from_real, maybe_lvalue_p,
2964         fold_checksum_tree, fold_check_failed, print_fold_checksum,
2965         debug_fold_checksum, multiple_of_p): Constify.
2966         * tree-flow-inline.h (get_lineno): Likewise.
2967         * tree-flow.h (get_lineno): Likewise.
2968         * tree-object-size.c (compute_object_offset, addr_object_size,
2969         alloc_object_size, pass_through_call): Likewise.
2970         * tree-pretty-print.c (op_symbol, print_call_name,
2971         print_struct_decl, do_niy): Likewise.
2972         * tree.h (fold_undefer_overflow_warnings, multiple_of_p,
2973         debug_fold_checksum): Likewise.
2974
2975 2007-09-04  Steven Bosscher  <steven@gcc.gnu.org>
2976
2977         PR middle-end/33029
2978         * lower-subreg.c (resolve_clobber): If we remove a REG_LIBCALL
2979         note, remove the associated REG_RETVAL note.
2980
2981 2007-09-04  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2982
2983         * config.gcc (powerpc*-*-*): Install
2984         spu2vmx.h, vec_types.h, and si2vmx.h headers.
2985         * config/rs6000/spu2vmx.h: New header.
2986         * config/rs6000/si2vmx.h: New header.
2987         * config/rs6000/vec_types.h: New header.
2988
2989 2007-09-05  Ben Elliston  <bje@au.ibm.com>
2990
2991         * varasm.c (initializer_constant_valid_p): Fix comment typo.
2992
2993 2007-09-05  Ben Elliston  <bje@au.ibm.com>
2994
2995         * config/rs6000/ppu_intrinsics.h (__ldarx): Use `Z' constraint,
2996         not `m' for *ptrp.
2997         (__stdcx): Make asm volatile.
2998         (__stwcx, __stdcx): Return only 0 or 1.
2999
3000 2007-09-05  Jan Hubicka  <jh@suse.cz>
3001
3002         Revert:
3003
3004         2007-09-04  Jan Hubicka  <jh@suse.cz>
3005         * tree-tailcall.c (eliminate_tail_call): Expect unrenamed return value.
3006
3007         2007-09-04  Richard Guenther  <rguenther@suse.de>
3008         * tree-ssa-operands.c (add_virtual_operand): Only mark
3009         stores as has_volatile_ops if alias information is not available.
3010
3011 2007-09-05  Jakub Jelinek  <jakub@redhat.com>
3012
3013         * config/rs6000/tramp.asm: Include config.h.
3014         Check __PIC__ or __pic__ macro instead of SHARED.
3015
3016         PR rtl-optimization/32300
3017         * see.c (see_copy_insn): New function.
3018         (see_def_extension_not_merged, see_merge_one_use_extension,
3019         see_merge_one_def_extension): Use it.  Avoid changing
3020         PREV_INSN/NEXT_INSN chains directly, insted emit insns
3021         into sequences.  Call df_insn_delete on temporary insns
3022         that won't be emitted into the insn stream.
3023         (rest_of_handle_see): Turn off DF_DEFER_INSN_RESCAN
3024         and run df_process_deferred_rescans () before run_fast_dce.
3025
3026         PR tree-optimization/33017
3027         * tree-data-ref.c (split_constant_offset) <case SSA_NAME>: Don't
3028         recurse for pure or const function calls.
3029
3030 2007-09-04  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
3031
3032         * c-format.c: Include alloc-pool.h.
3033         (check_format_info_main): New argument fwt_alloc.  Use allocation
3034         pool instead of GC.  Remove GC deallocation code.
3035         (check_format_arg): Create allocation pool, pass it to
3036         check_format_info_main and free it afterwards.
3037         * Makefile.in (c-format.o): Add alloc-pool.h dependency.
3038
3039 2007-09-05  Ben Elliston  <bje@au.ibm.com>
3040
3041         * config/rs6000/ppu_intrinsics.h (__protected_stream_count):
3042         Rename count macro arugment for clarity.
3043         (__protected_unlimited_stream_set): Pass UG=1 to __dcbt_TH1000.
3044         (__protected_stream_set): Likewise, pass 0.
3045
3046 2007-09-04  Jan Hubicka  <jh@suse.cz>
3047
3048         * tree-tailcall.c (eliminate_tail_call): Expect unrenamed return value.
3049
3050 2007-09-04  Jan Hubicka  <jh@suse.cz>
3051
3052         * invoke.texi (-finline-small-functions): Document.
3053         * ipa-inline.c (cgraph_default_inline_p): Do not use DECL_INLINE
3054         when deciding what is inlinable.
3055         (cgraph_decide_recursive_inlining): Handle flag_inline_functions.
3056         (cgraph_decide_inlining_of_small_function): Handle new flags.
3057         (cgraph_decide_inlining_incrementally): Likewise.
3058         * opts.c (decode_options): Enable flag_inline_small_functions at -O2
3059         * common.opt (finline-small-functions): New.
3060         * Makefile.in (build/gengtype.o-warn): Work around PR29478
3061
3062 2007-09-04  Richard Guenther  <rguenther@suse.de>
3063
3064         * tree-ssa-operands.c (add_virtual_operand): Only mark
3065         stores as has_volatile_ops if alias information is not available.
3066
3067 2007-09-04  Andrew Haley  <aph@redhat.com>
3068
3069         * config/arm/libgcc-bpabi.ver: Add _Unwind_Backtrace as GCC_4.3.0.
3070
3071 2007-09-04  Andrew Haley  <aph@redhat.com>
3072
3073         * config/arm/libunwind.S (UNWIND_WRAPPER _Unwind_Backtrace): New.
3074         * config/arm/unwind-arm.h (__gnu_Unwind_Backtrace): New.
3075         * config/arm/unwind-arm.c (__gnu_Unwind_Backtrace): New.
3076
3077 2007-09-04  Emmanuel Thome  <Emmanuel.Thome@inria.fr>
3078
3079         PR c++/14178
3080         * common.opt: Mention ABI version 2 in comment.
3081
3082 2007-09-04  Jan Hubicka  <jh@suse.cz>
3083
3084         * optabs.c (debug_optab_libfunc): Update; make available to gdb.
3085         (libfunc_entry): New structure.
3086         (libfunc_hash): New hashtable.
3087         (hash_libfunc): New function.
3088         (eq_libfunc): New function.
3089         (convert_optab_libfunc): New function.
3090         (optab_libfunc): New function.
3091         (expand_binop, sign_expand_binop, expand_twoval_binop_libfunc,
3092         expand_unop, prepare_cmp_insn, prepare_float_insn, gen_add2_insn,
3093         expand_float, expand_fix, new_optab, new_convert_optab):
3094          Update for new libfunc API.
3095         (init_libfunc, init_integral_libfuncs,
3096         init_floating_libfuncs, init_interclass_conv_libfuncs
3097         init_intraclass_conv_libfuncs): Remove; reorganize all logic to:
3098         (gen_libfunc, gen_int_libfunc, gen_fp_libfunc, gen_int_fp_libfunc,
3099         gen_intv_fp_libfunc, gen_interclass_conv_libfunc,
3100         gen_int_to_fp_conv_libfunc, gen_ufloat_conv_libfunc,
3101         gen_int_to_fp_nondecimal_conv_libfunc, gen_fp_to_int_conv_libfunc,
3102         gen_intraclass_conv_libfunc, gen_trunc_conv_libfunc,
3103         gen_extend_conv_libfunc): New.
3104         (init_one_libfunc): Revamp for hashtables.
3105         (set_conv_libfunc): Likewise.
3106         (init_optabs): Initialize hashtable; use lazy initialization where
3107         possible.
3108         * optabs.h (optab_handlers): Move out of GGC.
3109         (optab, convert_optab): Move out of GGC; add lazy gen info.
3110         (code_to_optab, convert_optab_table, optab_table): Move out of GGC.
3111         (optab_libfunc, convert_optab_libfunc): New.
3112         * builtins.c (expand_builtin_powi): Update for new API.
3113         * expr.c (convert_move): Likewise.
3114         * expmed.c (expand_divmod): Likewise.
3115
3116 2007-09-04  Daniel Jacobowitz  <dan@codesourcery.com>
3117
3118         * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space for the
3119         GOT pointer only if there is a constant pool.  Use the allocated space
3120         for SPE also.
3121
3122 2007-09-04  Daniel Jacobowitz  <dan@codesourcery.com>
3123
3124         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Correct
3125         typo for AltiVec.
3126
3127 2007-09-04  Revital Eres  <eres@il.ibm.com>
3128             Richard Guenther  <rguenther@suse.de>
3129             R. Clint Whaley  <whaley@cs.utsa.edu>
3130
3131         * doc/invoke.texi (-fassociative-math, -freciprocal-math):
3132         Document new flags.
3133         * tree-tailcall.c (process_assignment): Use -fassociative-math
3134         when reodering operands of floating-point type.
3135         * fold-const.c (fold_comparison, fold_binary): Use
3136         -fassociative-math and -freciprocal-math instead of
3137         -funsafe-math-optimization flag.
3138         * toplev.h (set_unsafe_math_optimizations_flags): Declare function.
3139         * tree-ssa-math-opts.c (gate_cse_reciprocals): Use
3140         -freciprocal-math instead of -funsafe-math-optimizations.
3141         * opts.c (set_fast_math_flags): Set -freciprocal-math and
3142         -fassociative-math when -ffast-math is set.
3143         (set_unsafe_math_optimizations_flags): New Function
3144         to set -freciprocal-math and -fassociative-math when
3145         -funsafe-math-optimizations is set.
3146         (common_handle_option): Call it.
3147         * tree-vectorizer.c (vect_is_simple_reduction): Use
3148         -fassociative-math when doing reduction on floats.
3149         * loop-unroll.c (analyze_insn_to_expand_var): Use
3150         -fassociative-math when expanding an accumulator of type float.
3151         * simplify-rtx.c (simplify_binary_operation_1): Use
3152         -fassociative-math and -freciprocal-math when reordeing operands
3153         of floating-point type.
3154         * combine.c (combine_simplify_rtx): Likewise.
3155         * tree-ssa-reassoc.c (break_up_subtract_bb, reassociate_bb):
3156         Likewise.
3157         * common.opt (-fassociative-math, -freciprocal-math): New flags.
3158
3159 2007-09-04  Paolo Carlini  <pcarlini@suse.de>
3160
3161         PR c++/18608
3162         * doc/install.texi (--enable-__cxa_atexit): Fix typo.
3163
3164 2007-09-04  Jan Hubicka  <jh@suse.cz>
3165
3166         * regrename.c(copyprop_hardreg_forward_1): Unshare when doing copyprop.
3167
3168 2007-09-04  Jan Hubicka  <jh@suse.cz>
3169
3170         * regrename.c (build_def_use): Don't share RTL between MATCH_OPERATOR
3171         and corresponding MATCH_DUP.
3172
3173 2007-09-04  Uros Bizjak  <ubizjak@gmail.com>
3174
3175         PR middle-end/33187
3176         * combine.c (subst): Do not try to simplify X if it represents load
3177         of FP constant from the constant pool via float extension.
3178
3179 2007-09-04  Ben Elliston  <bje@au.ibm.com>
3180
3181         * c-opts.c: Include "tm_p.h".
3182         * Makefile.in (c-opts.o): Add $(TM_P_H) as a dependency.
3183
3184 2007-09-04  Richard Guenther  <rguenther@suse.de>
3185
3186         PR tree-optimization/33291
3187         * tree-pretty-print.c (dump_generic_node): Dump all
3188         qualifiers for pointer types, not only first.  Dump
3189         qualifiers for aggregate types as well.
3190         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Always
3191         use the canonical type for building ARRAY_REFs.
3192         * gimplify.c (canonicalize_addr_expr): Clean up.  The
3193         correct validness check is compatibility of the pointer
3194         types.  Always use the canonical type for building
3195         ARRAY_REFs and ADDR_EXPRs.
3196         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Revert
3197         change that disabled propagation of ADDR_EXPRs into statements
3198         with volatile ops.
3199
3200 2007-09-03  Zack Weinberg  <zack@codesourcery.com>
3201
3202         * config/arm/arm.md (mulsidi3, umulsidi3, mulsi3_highpart)
3203         (umulsi3_highpart): Make into expanders; existing insns are
3204         now named *[insn]_nov6.  Add stars to existing [insn]_v6
3205         counterparts' names.
3206
3207 2007-09-03  Daniel Jacobowitz  <dan@codesourcery.com>
3208
3209         * Makefile.in (DRIVER_DEFINES, gcc.o, gccspec.o, protoize.o)
3210         (unprotoize.o): Remove SHLIB_MULTILIB.
3211
3212 2007-09-03  Eric Weddington  <eweddington@cso.atmel.com>
3213
3214         * doc/extend.texi: Document progmem attribute for AVR.
3215
3216 2007-09-03  Anatoly Sokolov <aesok@post.ru>
3217
3218         PR target/28902
3219         * config/avr/avr.h (TARGET_VTABLE_ENTRY_ALIGN): Define.
3220
3221 2007-09-03  Zack Weinberg  <zack@codesourcery.com>
3222
3223         * optabs.c (expand_ffs): Initialize val and defined_at_zero
3224         to avoid warnings.
3225
3226         * optabs.c: Remove unnecessary forward declarations.
3227         (expand_unop_direct): New, broken out of expand_unop.
3228         (expand_doubleword_clz): New.
3229         (expand_ctz): Move above expand_ffs.  Use
3230         start_sequence, end_sequence, add_equal_note, and
3231         expand_unop_direct.  Add more commentary.
3232         (expand_ffs): Try both ctz optab and expand_ctz.
3233         Generate a test and branch if the hardware doesn't give us
3234         a useful value for input zero.  Style improvements similar to
3235         expand_ctz.
3236
3237         * config/arm/arm.md (ffssi2, ctzsi2): Delete.
3238
3239 2007-09-03  Zack Weinberg  <zack@codesourcery.com>
3240
3241         * config.gcc: Delete stanza for arm-semi-aof and
3242         armel-semi-aof targets.
3243         * config/arm/arm-protos.h
3244         * config/arm/arm.c
3245         * config/arm/arm.h: Delete all #ifdef AOF_ASSEMBLER blocks;
3246         make all #ifndef AOF_ASSEMBLER blocks unconditional.  Also
3247         delete aof_pic_label and remove mention of AOF in comments.
3248         * config/arm/arm.md: Delete patterns used only for AOF assembly.
3249         * config/arm/aof.h
3250         * config/arm/semiaof.h
3251         * config/arm/t-semi: Delete file.
3252
3253 2007-09-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3254
3255         * system.h (CONST_CAST2, CONST_CAST_TREE, CONST_CAST_RTX,
3256         CONST_CAST_BB): New macros for type-specific casts.
3257         (CONST_CAST): Add a TYPE parameter and define it in terms of
3258         CONST_CAST2.
3259
3260         * c-decl.c (c_make_fname_decl): Supply a TYPE for CONST_CAST.
3261         * c-lex.c (cb_ident, lex_string): Likewise,
3262         * c-typeck.c (free_all_tagged_tu_seen_up_to): Likewise,
3263         * config/i386/i386.c (ix86_function_regparm,
3264         ix86_function_sseregparm): Use CONST_CAST_TREE.
3265         * config/mmix/mmix.c (mmix_encode_section_info): Supply a TYPE for
3266         CONST_CAST.
3267         * gcc.c (set_spec, read_specs, for_each_path, execute, do_spec_1,
3268         give_switch, set_multilib_dir): Likewise,
3269         * gengtype-parse.c (string_seq, typedef_name): Likewise,
3270         * gimple-low.c (block_may_fallthru): Use CONST_CAST_TREE.
3271         * jump.c (reversed_comparison_code_parts): Use CONST_CAST_RTX.
3272         * passes.c (execute_one_pass): Supply a TYPE for CONST_CAST.
3273         * prefix.c (update_path): Likewise,
3274         * pretty-print.c (pp_base_destroy_prefix): Likewise,
3275         * rtlanal.c (keep_with_call_p): Use CONST_CAST_RTX.
3276         * tree-cfg.c (tree_can_merge_blocks_p,
3277         tree_block_ends_with_condjump_p): Use CONST_CAST_BB.
3278         * tree-eh.c (lookup_stmt_eh_region_fn): USe CONST_CAST_TREE.
3279         * tree.c (build_string): Supply a TYPE for CONST_CAST.
3280         (attribute_list_contained): Use CONST_CAST_TREE.
3281
3282 2007-09-03  Krister Walfridsson  <cato@df.lth.se>
3283
3284         * config/netbsd-elf.h (USE_LD_AS_NEEDED): Define.
3285
3286 2007-09-03  Richard Sandiford  <richard@codesourcery.com>
3287
3288         PR middle-end/33290
3289         * optabs.c (avoid_expensive_constant): Canonicalize CONST_INTs
3290         before forcing them into a register.
3291
3292 2007-09-03  Richard Sandiford  <richard@codesourcery.com>
3293
3294         * config/mips/mips.md (fetchop_bit): Use define_code_iterator
3295         rather than define_code_macro.
3296
3297 2007-09-03  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
3298
3299         * gcc.c (xputenv): New function.
3300         (putenv_from_prefixes): Use xputenv instead of putenv.
3301         (process_command): Use xputenv instead of putenv.
3302         (set_collect_gcc_options): Use xputenv instead of putenv.
3303         (main): Use xputenv instead of putenv.
3304
3305 2007-09-03  Jesper Nilsson  <jesper.nilsson@axis.com>
3306
3307         * config/cris/cris.h (TARGET_HAS_SWAP): Defined to describe
3308         availability of swap instruction.
3309         * config/cris/cris.md (bswapsi2): Implement using swap instruction.
3310
3311 2007-09-03  Revital Eres  <eres@il.ibm.com>
3312
3313         * doc/invoke.texi (-fmodulo-sched-allow-regmoves): Update
3314         Documentation.
3315
3316 2007-09-03  Vladimir Yanovsky  <yanov@il.ibm.com>
3317             Ayal Zaks  <zaks@il.ibm.com>
3318             Revital Eres  <eres@il.ibm.com>
3319
3320         * modulo-sched.c (ps_insert_empty_row, verify_partial_schedule,
3321         compute_split_row): New functions.
3322         (ps_unschedule_node): Remove.
3323         (normalize_sched_times): Iterate over the already scheduled
3324         insns instead of the number of nodes.
3325         (MAX_SPLIT_NUM): New definition.
3326         (sms_schedule_by_order): Change the scheduling heuristic to
3327         avoid useless increases of initiation interval ii.
3328         (get_sched_window): Add dump printouts.
3329
3330 2007-09-02  David Daney  <ddaney@avtrex.com>
3331
3332         * config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP, UNSPEC_SYNC_OLD_OP,
3333         UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE): New define_constants.
3334         (optab, insn): Add more attributes.
3335         (fetchop_bit): New code macro.
3336         (immediate_insn): New code macro attribute.
3337         (sync): Change condition to ISA_HAS_SYNC.
3338         (rdhwr): Change predicate for operand 0 to register_operand.
3339         (memory_barrier): New expand.
3340         (sync_compare_and_swap<mode>, sync_add<mode>, sync_sub<mode>,
3341         sync_old_add<mode>, sync_old_sub<mode>, sync_new_add<mode>,
3342         sync_new_sub<mode>, sync_<optab><mode>, sync_old_<optab><mode>,
3343         sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
3344         sync_new_nand<mode>, sync_lock_test_and_set<mode>): New insns.
3345         * config/mips/mips.h (ISA_HAS_SYNC, ISA_HAS_LL_SC): New ISA predicates.
3346         (MIPS_COMPARE_AND_SWAP, MIPS_SYNC_OP, MIPS_SYNC_OLD_OP,
3347         MIPS_SYNC_NEW_OP, MIPS_SYNC_NAND, MIPS_SYNC_OLD_NAND,
3348         MIPS_SYNC_NEW_NAND, MIPS_SYNC_EXCHANGE): New Macros.
3349         
3350 2007-09-03  Jesper Nilsson  <jesper.nilsson@axis.com>
3351             Hans-Peter Nilsson  <hp@axis.com>
3352
3353         * config/cris/cris.h (TARGET_HAS_LZ, CLZ_DEFINED_VALUE_AT_ZERO):
3354         Defined to describe availability and behavior of CLZ.
3355         * config/cris/cris.md (clzsi2): Implement using lz instruction.
3356         * config/cris/cris.opt: Tweak comment for "-metrax4".
3357         * config/cris/arit.c (LZ): When defined, define as __builtin_clz.
3358         * longlong.h [__CRIS__ && __CRIS_arch_version >= 3]
3359         (count_leading_zeros): Define.
3360
3361 2007-09-01  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
3362
3363         * ggc-page.c (ggc_pch_read): Call validate_free_objects.
3364
3365 2007-09-02  Joseph Myers  <joseph@codesourcery.com>
3366
3367         PR middle-end/33272
3368         * c-decl.c (grokdeclarator): Apply qualifiers to type of parameter
3369         decayed from array.
3370
3371 2007-09-01  Kazu Hirata  <kazu@codesourcery.com>
3372
3373         * config/arm/arm.c, config/rs6000/ppu_intrinsics.h,
3374         config/spu/spu.c, df-scan.c, fixed-value.c, fold-const.c,
3375         ginclude/tgmath.h, haifa-sched.c, optabs.c, recog.c,
3376         sched-deps.c, sched-int.h, system.h, target.h,
3377         tree-ssa-live.c, tree-vect-transform.c, tree-vectorizer.c,
3378         tree.def: Fix comment typos.
3379
3380 2007-09-01  Kazu Hirata  <kazu@codesourcery.com>
3381
3382         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove.
3383         (override_options): Turn on -mstrict-align on non-ColdFire
3384         targets.
3385         * config/m68k/m68k.h (BIGGEST_ALIGNMENT): Update a comment.
3386
3387 2007-09-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3388
3389         * c-common.c (const_strip_array_types): Delete.
3390         * c-common.h (const_strip_array_types): Likewise.
3391         * emit-rtl.c (const_next_insn, const_previous_insn,
3392         const_next_nonnote_insn, const_prev_nonnote_insn,
3393         const_next_real_insn, const_prev_real_insn,
3394         const_next_active_insn, const_prev_active_insn, const_next_label,
3395         const_prev_label): Delete.
3396         * gimple-low.c (block_may_fallthru): Use expr_last.
3397         * jump.c (reversed_comparison_code_parts): Use prev_nonnote_insn.
3398         * rtl.h (const_previous_insn, const_next_insn,
3399         const_prev_nonnote_insn, const_next_nonnote_insn,
3400         const_prev_real_insn, const_next_real_insn,
3401         const_prev_active_insn, const_next_active_insn, const_prev_label,
3402         const_next_label): Delete.
3403         * rtlanal.c (keep_with_call_p): Use next_nonnote_insn.
3404         * system.h (CONST_CAST): Update comment.
3405         * tree-cfg.c (tree_can_merge_blocks_p): Use last_stmt.
3406         (const_first_stmt, const_last_stmt): Delete.
3407         (tree_block_ends_with_condjump_p): Use last_stmt.
3408         * tree-flow.h (const_first_stmt, const_last_stmt): Delete.
3409         * tree-iterator.c (const_expr_first, const_expr_last,
3410         const_expr_only): Delete.
3411         * tree.c (const_lookup_attribute): Likewise.
3412         (attribute_list_contained): Use lookup_attribute.
3413         * tree.h (const_lookup_attribute, const_expr_first,
3414         const_expr_last, const_expr_only): Delete.
3415
3416 2007-09-01  Richard Guenther  <rguenther@suse.de>
3417
3418         * tree-ssa-alias.c (create_name_tags): Use TYPE_VOLATILE
3419         instead of TREE_THIS_VOLATILE.
3420         * tree-ssa-operands.c (add_virtual_operand): Do not set
3421         has_volatile_ops.  Do not check s_ann for NULL.
3422         (get_indirect_ref_operands): Likewise.
3423         (get_expr_operands): Likewise.  For all reference trees
3424         set has_volatile_ops based on TREE_THIS_VOLATILE.  Also
3425         check base of reference for TREE_THIS_VOLATILE.
3426
3427 2007-09-01  Richard Guenther  <rguenther@suse.de>
3428
3429         * tree-cfg.c (verify_gimple_expr): Fix check for conversions
3430         between integral types.  Also allow conversions between
3431         pointer types.
3432
3433 2007-08-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3434
3435         * optabs.c (prepare_float_lib_cmp): Use
3436         libgcc_cmp_return_mode instead of word_mode.
3437         * config/dfp-bit.h: Likewise.
3438         * config/fp-bit.h: Likewise.
3439         * config/spu/spu.c (spu_libgcc_cmp_return_mode):
3440         New function.
3441         (spu_libgcc_shift_count_mode): New function.
3442         (TARGET_LIBGCC_CMP_RETURN_MODE): Define.
3443         (TARGET_LIBGCC_SHIFT_COUNT_MODE): Define.
3444
3445 2007-08-31  Joseph Myers  <joseph@codesourcery.com>
3446
3447         * tree-pretty-print.c: Include output.h.
3448         (dump_decl_name, dump_generic_node): Use %wd with pp_printf, not
3449         HOST_WIDE_INT_PRINT_DEC.
3450         * Makefile.in (tree-pretty-print.o): Add dependency on output.h.
3451
3452 2007-08-31  Zdenek Dvorak  <ook@ucw.cz>
3453
3454         PR rtl-optimization/33224
3455         * loop-iv.c (latch_dominating_def): Check that the definition belongs
3456         to the analysed region.
3457
3458 2007-08-31  Richard Guenther  <rguenther@suse.de>
3459
3460         * function.c (allocate_struct_function): Do not set
3461         current_function_returns_pointer.
3462         * function.h (struct var_refs_queue): Remove.
3463         (struct simple_obstack_stack): Likewise.
3464         (struct function): Remove fixup_var_refs_queue member.
3465         Remove returns_pointer flag.
3466         (current_function_returns_pointer): Remove define.
3467
3468 2007-08-31  Nick Clifton  <nickc@redhat.com>
3469
3470         * tree-ssa-coalesce.c (compare_pairs): Use the elements as
3471         secondary keys in order to obtain a stable sort.
3472
3473 2007-08-31  Nick Clifton  <nickc@redhat.com>
3474
3475         PR target/33132
3476         * config/m32r/constraints.md: Add W constraint for integer zero.
3477         * config/m32r/m32r.md (get_pc): Use W and i constraints.
3478         Fix length calculation by using alternatives.
3479
3480 2007-08-31  Richard Sandiford  <richard@codesourcery.com>
3481
3482         * optabs.c (shift_optab_p, commutative_optab_p): New functions,
3483         split out from expand_binop.
3484         (avoid_expensive_constant): New function.
3485         (expand_binop_directly): Remove commutative_op argument and
3486         (expand_binop_directly): Remove commutative_op argument and
3487         call cummutative_optab_p instead.  Do not change op0 or op1
3488         when swapping xop0 and xop1.  Apply avoid_expensive_constant
3489         to each argument after potential swapping.  Enforce the
3490         canonical order of commutative operands.
3491         (expand_binop): Use shift_optab_p and commutative_optab_p.
3492         Update the calls to expand_binop_directly.  Only force constants
3493         into registers when widening an operation.  Only swap operands
3494         once a direct expansion has been rejected.
3495         (expand_twoval_binop): Only force constants into registers when
3496         using a direct expansion.
3497
3498 2007-08-31  Maxim Kuvyrkov  <maxim@codesourcery.com>
3499
3500         * sched-deps.c (update_dep): Mark arguments with ATTRIBUTE_UNUSED.
3501         (sched_analyze_insn): Don't postprocess speculative dependencies when
3502         target has no scheduling.
3503         * tree-vect-transform.c (vect_estimate_min_profitable_iters): Fix
3504         'uninitialized' warning.
3505
3506 2007-08-31  Richard Guenther  <rguenther@suse.de>
3507
3508         * tree.c (build_complex_type): Always set TYPE_NAME for
3509         comples types.
3510
3511 2007-08-31  Olivier Hainque  <hainque@adacore.com>
3512
3513         * config/rs6000/xcoff.h (XCOFF_CSECT_DEFAULT_ALIGNMENT_STR): New
3514         internal macro. Default alignment factor for csect directives, chosen
3515         to match what BIGGEST_ALIGNMENT allows.
3516         (DATA_SECTION_ASM_OP): Use it.
3517         * config/rs6000/rs6000.c
3518         (rs6000_xcoff_output_readonly_section_asm_op):
3519         Use XCOFF_CSECT_DEFAULT_ALIGNMENT_STR.
3520         (rs6000_xcoff_output_readwrite_section_asm_op): Likewise.
3521         
3522 2007-08-31  Olivier Hainque  <hainque@adacore.com>
3523
3524         * dbxout.c (dbxout_block): Move declaration within the first
3525         #if defined (DBX_DEBUGGING_INFO) block.  Rearrange another such
3526         block to include the definition, together with the associated
3527         helpers.
3528
3529 2007-08-31  David Edelsohn  <edelsohn@gnu.org>
3530             Revital Eres  <eres@il.ibm.com>
3531
3532         * doc/invoke.texi (-mpaired): Document flag.
3533         * config.gcc: Include paired.h in powerpc extra_headers and
3534         750cl.h in powerpc-*-linux*paired*.
3535         * config/rs6000/rs6000.opt (-mpaired): New flag.
3536         * config/rs6000/rs6000.c (paired_init_builtins,
3537         paired_expand_builtin, paired_expand_lv_builtin,
3538         paired_expand_stv_builtin, paired_expand_predicate_builtin):
3539         New functions to support the paired single builtin functions.
3540         (rs6000_hard_regno_mode_ok): Handle PAIRED_VECTOR_MODE.
3541         (def_builtin, bdesc_3arg, bdesc_2arg, bdesc_1arg): Add paired
3542         single builtins.
3543         (bdesc_paired_preds): New structure for paired predicate
3544         instructions.
3545         (rs6000_expand_builtin): Expand paired single builtins.
3546         (rs6000_init_builtins): Init paired single builtins.
3547         (rs6000_common_init_builtins): Add v2sf_ftype_v2sf_v2sf_v2sf.
3548         Rename v2sf_ftype_v2sf_v2sf to v2sf_ftype_v2sf_v2sf_spe
3549         and v2sf_ftype_v2sf_spe to v2sf_ftype_v2sf.  Add new types
3550         v2sf_ftype_v2sf_v2sf and v2sf_ftype_v2sf.
3551         (rs6000_vector_mode_supported_p): Support paired vector mode.
3552         * config/rs6000/rs6000.h: (UNITS_PER_PAIRED_WORD,
3553         PAIRED_VECTOR_MODE, PAIRED_SIMD_REGNO_P, TARGET_PAIRED_FLOAT):
3554         New.
3555         (LOCAL_ALIGNMENT): Handle PAIRED_VECTOR_MODE.
3556         (DATA_ALIGNMENT): Likewise.
3557         (UNITS_PER_SIMD_WORD): Handle PAIRED_VECTOR_MODE.
3558         (rs6000_builtins): Add PAIRED builtins.
3559         * config/rs6000/rs6000.md: Include paired.md.
3560         * config/rs6000/paired.h: New.
3561         * config/rs6000/paired.md: New.
3562         * config/rs6000/750cl.h: New.
3563         * config/rs6000/spe.md: Recognize movv2sf instruction for 750cl.
3564
3565 2007-08-30  Ollie Wild  <aaw@google.com>
3566
3567         * c-opts.c (c_common_handle_option): Support -fno-directives-only.
3568         * gcc.c (default_compilers): Add -fno-directives-only to
3569         @assembler-with-cpp.
3570
3571 2007-08-30  Sandra Loosemore  <sandra@codesourcery.com>
3572
3573         PR middle-end/33211
3574
3575         * regclass.c (initial_fixed_regs): Revert previous change and make
3576         it const again.
3577         (initial_call_used_regs): Likewise.
3578         (initial_call_really_used_regs): Delete, reverting previous addition.
3579         (initial_reg_names): Likewise.
3580         (init_reg_sets): Revert previous change.
3581         (saved_fixed_regs): New.
3582         (saved_call_used_regs): New.
3583         (saved_call_really_used_regs): New.
3584         (saved_reg_names): New.
3585         (save_register_info): New.
3586         (restore_register_info): New.
3587         (init_reg_sets_1): Replace reset of register info with call to
3588         restore_register_info.
3589         * rtl.h (save_register_info): Declare.
3590         * toplev.c (backend_init): Call save_register_info.
3591
3592 2007-08-30  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
3593
3594         * tree-ssa-propagate.c (set_rhs): Remove the copied annotation
3595         from the original statement.
3596
3597 2007-08-30  Chao-ying Fu  <fu@mips.com>
3598
3599         * c-lex.c (interpret_fixed): Declare.
3600         (interpret_float): Process _Fract and _Accum.
3601         (interpret_fixed): New function.
3602         * final.c (output_addr_const): Process CONST_FIXED.
3603         * simplify-rtx.c (simplify_const_unary_operation): Handle US_NEG.
3604         (simplify_binary_operation_1): Handle US_ASHIFT, SS_MULT, US_MULT,
3605         SS_DIV, US_DIV.
3606         (simplify_const_binary_operation): Handle SS_MULT, US_MULT, SS_DIV,
3607         US_DIV, US_ASHIFT.
3608         (simplify_immed_subreg): Support CONST_FIXED.
3609         Process MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM.
3610         (simplify_subreg): Support CONST_FIXED.
3611
3612 2007-08-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3613
3614         * config/rs6000/ppu_intrinsics.h: New file.
3615         * config.gcc (powerpc*-*-* <extra_headers>): Install
3616         ppu_intrinsics.h.
3617
3618 2007-08-30  Kenneth Zadeck <zadeck@naturalbridge.com>
3619
3620         * cfg.c (dump_flow_info): Change to also print entry and exit
3621         block info.
3622         * print-rtl.c (print_rtl_single): Allow to print rtl with
3623         -fdump-unnumbered.
3624         
3625 2007-08-30  Kenneth Zadeck <zadeck@naturalbridge.com>
3626
3627         * df-core.h (df_dump_region): New function.
3628         * df.h (df_dump_region): New function.
3629         * loop-invariant.c (find_defs): Add call to df_dump_region.
3630         * loop-iv.c (iv_analysis_loop_init): Changed call from df_dump to
3631         df_dump_region.
3632         
3633 2007-08-30  Jakub Jelinek  <jakub@redhat.com>
3634
3635         PR target/33168
3636         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Return
3637         true if any of the compare_section_name calls returned true,
3638         rather than if any returned false.
3639
3640 2007-08-30  Richard Guenther  <rguenther@suse.de>
3641
3642         PR tree-optimization/33199
3643         * tree-ssa-structalias.c (handle_lhs_call): New function.
3644         (find_func_aliases): In non-IPA mode make sure that for
3645         calls that return a pointer we add a constraint for the
3646         result to point to anything.
3647
3648 2007-08-30  Richard Guenther  <rguenther@suse.de>
3649
3650         * doc/invoke.texi (-mveclibabi): Document new target option.
3651         * config/i386/i386.opt (-mveclibabi): New target option.
3652         * config/i386/i386.c (ix86_veclib_handler): Handler for
3653         vectorization library support.
3654         (override_options): Handle the -mveclibabi option, initialize
3655         the vectorization library handler.
3656         (ix86_builtin_vectorized_function): As fallback call the
3657         vectorization library handler, if set.
3658         (ix86_veclibabi_acml): New static function for ACML ABI style
3659         vectorization support.
3660
3661 2007-08-30  Jakub Jelinek  <jakub@redhat.com>
3662
3663         * config/rs6000/rs6000.c (rs6000_emit_sync): For QI or HI mode
3664         used_m, even if it is 32-bit aligned, adjust used_m MEM to have
3665         SImode and update m.  Don't run gen_lowpart_common on arbitrary
3666         memory address, force it to register first.
3667
3668         PR middle-end/32758
3669         * dce.c (dce_process_block): Don't delete setters of
3670         artificially used registers.
3671
3672 2007-08-30  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3673
3674         * config/s390/s390.md ("*add<mode>3_alc_carry1_cc",
3675         "*add<mode>3_alc_carry1_cconly", "*add<mode>3_alc_carry2_cc",
3676         "*add<mode>3_alc_carry2_cconly"): New insn definitions.
3677
3678 2007-08-30  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3679
3680         * config/s390/s390.c (s390_expand_addcc): Emit canonical alc
3681         pattern.
3682         * config/s390/s390.md ("*add<mode>3_alc_cc", "*add<mode>3_alc",
3683         "addti3", "*adddi3_31z", "*scond<mode>"): Make alc pattern canonical.
3684
3685 2007-08-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3686
3687         * system.h: Activate -Wcast-qual as warning-only.
3688
3689 2007-08-29  Paolo Bonzini  <bonzini@gnu.org>
3690
3691         PR target/33168
3692         * config/rs6000/rs6000.c (compare_section_name): New function.
3693         (rs6000_elf_in_small_data_p): Compare section prefixes instead
3694         of full name.
3695
3696 2007-08-29  Olivier Hainque  <hainque@adacore.com>
3697
3698         * xcoffout.c: #include debug.h.
3699         * Makefile.in (xcoffout.o): Add debug.h dependency.
3700
3701 2007-08-29  Uros Bizjak  <ubizjak@gmail.com>
3702
3703         * simplify-rtx.c (simplify_binary_operation_1) [VEC_SELECT]:
3704         Change CONST_VECTOR_ELT to XVECEXP in elem calculation.
3705
3706 2007-08-29  Richard Guenther  <rguenther@suse.de>
3707
3708         * tree-pretty-print.c (dump_generic_node): Print
3709         label DECL_UID as D.%u.
3710         * tree-dfa.c (dump_variable): Print DECL_UID as D.%u.
3711
3712 2007-08-29  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
3713
3714         * gcc/builtin-types.def (BT_FN_PTR_PTR_SIZE): New type.
3715         * gcc/builtins.def (BUILT_IN_REALLOC): New builtin.
3716
3717 2007-08-29  Douglas Gregor  <doug.gregor@gmail.com>
3718
3719         PR c++/33194
3720         * tree.c (build_type_attribute_qual_variant): Set canonical types
3721         on the final, unqualified attribute variant before building the
3722         qualified version.
3723
3724 2007-08-29  Jie Zhang  <jie.zhang@analog.com>
3725
3726         * config/bfin/bfin.c (bfin_expand_builtin): Fix the argument
3727         order of __builtin_bfin_cmplx_mac and __builtin_bfin_cmplx_msu.
3728
3729 2007-08-29  Jie Zhang  <jie.zhang@analog.com>
3730
3731         Revert
3732         2007-08-29  Jie Zhang  <jie.zhang@analog.com>
3733         * config/bfin/bfin.md (composev2hi): Put operands into vector
3734         with correct order.
3735
3736 2007-08-29  Jie Zhang  <jie.zhang@analog.com>
3737
3738         * config/bfin/bfin.md (composev2hi): Put operands into vector
3739         with correct order.
3740
3741 2007-08-29  Jie Zhang  <jie.zhang@analog.com>
3742
3743         * config/bfin/bfin.c (bfin_expand_call): Inline PLT with l1_text
3744         attribute when appropriate.
3745         (bfin_handle_l1_text_attribute): New.
3746         (bfin_handle_l1_data_attribute): New.
3747         (bfin_attribute_table): Add attributes: l1_text, l1_data,
3748         l1_data_A and l1_data_B.
3749         * doc/extend.texi (node Function Attributes): Document l1_text
3750         function attribute.
3751         (Variable Attributes): Add Blackfin subsection. Document l1_data,
3752         l1_data_A and l1_data_B variable attributes.
3753
3754 2007-08-28  Jie Zhang  <jie.zhang@analog.com>
3755
3756         * config/bfin/bfin.opt (minline-plt): Add.
3757         * config/bfin/bfin.c (bfin_expand_call): Inline PLT when emit
3758         call to global functions.
3759         * doc/invoke.texi (Option Summary): Mention -minline-plt.
3760         (Blackfin Options): Document -minline-plt.
3761
3762 2007-08-28  Nathan Sidwell  <nathan@codesourcery.com>
3763
3764         * config/m68k/m68k.c (m68k_get_function_kind): Assert we're never
3765         given a non-function.
3766         (m68k_ok_for_sibcall_p): Only sibcall functions of the same kind.
3767
3768 2007-08-28  DJ Delorie  <dj@redhat.com>
3769
3770         * config/sh/sh.c (sh_gimplify_va_arg_expr): Fix sh2a support.
3771
3772 2007-08-28  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3773
3774         * system.h (CONST_CAST): Avoid union for gcc-4.0.x.
3775
3776 2007-08-28  Richard Guenther  <rguenther@suse.de>
3777
3778         * tree.h (struct tree_function_decl): Increase size of
3779         function_code bitfield.
3780
3781 2007-08-28  Nathan Sidwell  <nathan@codesourcery.com>
3782             Kazu Hirata  <kazu@codesourcery.com>
3783
3784         * gcc/config/m68k/linux.h
3785         (M68K_HONOR_TARGET_STRICT_ALIGNMENT): Redefine as 0.
3786         * config/m68k/m68k.c (TARGET_RETURN_IN_MEMORY): New.
3787         (m68k_return_in_memory): New.
3788         * gcc/config/m68k/m68k.h (M68K_HONOR_TARGET_STRICT_ALIGNMENT):
3789         New.
3790
3791 2007-08-28  Uros Bizjak  <ubizjak@gmail.com>
3792
3793         PR target/32661
3794         * simplify-rtx.c (simplify_binary_operation_1) [VEC_SELECT]:
3795         Simplify nested VEC_SELECT (with optional VEC_CONCAT operator as
3796         operand) when top VEC_SELECT extracts scalar element.
3797         * config/i386/sse.md (*vec_extract_v4si_mem): New pattern.
3798         (*vec_extract_v4sf_mem): Ditto.
3799
3800 2007-08-28  Jakub Jelinek  <jakub@redhat.com>
3801
3802         PR middle-end/32370
3803         * passes.c (init_optimization_passes): Move pass_df_finish
3804         after pass_postreload sublist.
3805
3806         PR rtl-optimization/33148
3807         * simplify-rtx.c (simplify_unary_operation_1): Only optimize
3808         (neg (lt X 0)) if X has scalar int mode.
3809
3810         PR debug/32914
3811         * dwarf2out.c (rtl_for_decl_init): If vector decl has CONSTRUCTOR
3812         initializer, use build_vector_from_ctor if possible to create
3813         VECTOR_CST out of it.  If vector initializer is not VECTOR_CST
3814         even after this, return NULL.
3815
3816 2007-08-28  Gabriel Dos Reis  <gdr@integrable-solutions.net>
3817
3818         * c-pretty-print.c (pp_c_constant): Handle COMPLEX_CST.
3819
3820 2007-08-28  Richard Guenther  <rguenther@suse.de>
3821
3822         * tree.h (DECL_DISREGARD_INLINE_LIMITS): New.
3823         (struct tree_function_decl): Make function_code a bitfield.
3824         Add disregard_inline_limits flag.
3825         * cgraphunit.c (cgraph_process_new_functions): Check
3826         DECL_DISREGARD_INLINE_LIMITS instead of disregard_inline_limits_p.
3827         (cgraph_preserve_function_body_p): Likewise.
3828         * ipa-inline.c (compute_inline_parameters): Likewise.
3829         * c-decl.c (finish_function): Set DECL_DISREGARD_INLINE_LIMITS
3830         for GNU C extern inline functions.
3831         (merge_decls): Merge DECL_DISREGARD_INLINE_LIMITS.
3832         * tree-inline.c (disregard_inline_limits_p): Remove.
3833         * tree-inline.h (disregard_inline_limits_p): Likewise.
3834         * c-common.c (handle_always_inline_attribute): Set
3835         DECL_DISREGARD_INLINE_LIMITS.
3836         * langhooks.c (add_builtin_function): Verify the function code
3837         fits in the bitfield.
3838
3839 2007-08-28  Mircea Namolaru  <namolaru@il.ibm.com>
3840             Vladimir Yanovsky  <yanov@il.ibm.com>
3841             Revital Eres  <eres@il.ibm.com>
3842             Andrey Belevantsev  <abel@ispras.ru>
3843
3844         * config/spu/spu.md: Recognize doloop pattern when -fmodulo-sched
3845         is set.
3846         * modulo-sched.c: Add documentation regarding do-loop.
3847         (doloop_register_get): Change number of arguments to support
3848         the new do-loop pattern and check whether COUNT_REG has no other
3849         occurences in the loop besides in the control part.
3850         (duplicate_insns_of_cycles): Do not duplicate the insn which
3851         changes count_reg as it is already adjusted.
3852         (generate_prolog_epilog): New argument to support the new
3853         do-loop pattern.  Change the subtract instruction to use
3854         expand_simple_binop.  Call duplicate_insns_of_cycles with new
3855         argument.
3856         (sms_schedule): Call doloop_register_get and
3857         generate_prolog_epilog with new argument.  Do not handle loops
3858         with single sets insns with subreg in their lhs.
3859         * loop-doloop.c (doloop_optimize): Support for another do-loop
3860         pattern.
3861         (doloop_condition_get): Gets an instruction instead of a pattern
3862         and change the return condition when the do-loop pattern is
3863         not parallel.
3864         * ddg.c (create_ddg_dep_from_intra_loop_link): Handle only reg
3865         deps when considering to not create edges.
3866
3867 2007-08-27  Alexandre Oliva  <aoliva@redhat.com>
3868
3869         * doc/extend.texi (gnu_inline funtion attribute): Document C++
3870         behavior.
3871
3872 2007-08-27  Jason Merrill  <jason@redhat.com>
3873
3874         PR c++/31337
3875         * gimplify.c (gimplify_modify_expr): Discard the assignment of 
3876         zero-sized types after calling gimplify_modify_expr_rhs.
3877
3878 2007-08-27  Sandra Loosemore  <sandra@codesourcery.com>
3879
3880         * regclass.c (init_reg_autoinc): Fix typo.
3881
3882 2007-08-27  Daniel Berlin  <dberlin@dberlin.org>
3883         
3884         Fix PR tree-optimization/33173
3885         * tree-ssa-alias.c (find_used_portions): Fix reversed test.
3886
3887 2007-08-27  H.J. Lu  <hongjiu.lu@intel.com>
3888
3889         PR target/31385
3890         * config/i386/i386.h (VALID_DFP_MODE_P): New.
3891         * config/i386/i386.c (ix86_hard_regno_mode_ok): Allow DFP in
3892         GPR.
3893
3894 2007-08-27  Sandra Loosemore  <sandra@codesourcery.com>
3895             David Ung  <davidu@mips.com>
3896             Nigel Stephens <nigel@mips.com>
3897
3898         Separate target-specific initialization from general
3899         back-end initialization.
3900
3901         * toplev.c (init_alignments): New, split out from...
3902         (process_options): ...here.
3903         (backend_init_target): New, split out from...
3904         (backend_init): ...here.
3905         (lang_dependent_init_target): New, split out from...
3906         (lang_dependent_init): ...here.
3907         (target_reinit): New.
3908         * toplev.h (target_reinit): Declare.
3909         * expr.c (init_expr_target): Renamed from init_expr_once, since it
3910         now can be called more than once.  Update comments.
3911         * expr.h (init_expr_target): Likewise.
3912         * alias.c (init_alias_target): Renamed from init_alias_once, since it
3913         now can be called more than once.  Explicitly zero
3914         static_reg_base_value.
3915         * emit-rtl.c (init_emit_regs): New, split out from...
3916         (init_emit_once): Here.
3917         * regclass.c (initial_fixed_regs, initial_call_used_regs): Make
3918         non-const, so that changes from command-line arguments can overwrite
3919         values provided by the static initializers.
3920         (initial_call_really_used_regs): New, used similarly to the above.
3921         (initial_reg_names): Likewise.
3922         (last_mode_for_init_move_cost): Promoted function-local static to
3923         file-scope static to make it accessible outside init_move_cost.
3924         (init_reg_sets): Do not initialize fixed_regs and call_used_regs yet.
3925         Do not initialize inv_reg_alloc_order yet, either.  Do initialize
3926         reg_names since it is needed for parsing command-line options.
3927         (init_move_cost): Use last_mode_for_init_move_cost instead of
3928         function-local static.
3929         (init_reg_sets_1): Initialize fixed_regs, call_used_regs, and
3930         call_really_used_regs now.  Reinitialize reg_names.  Also
3931         initialize inv_reg_alloc_order.  Zero reg_class_subunion and
3932         reg_class_superunion.  Clear losing_caller_save_reg_set.
3933         Preserve global registers if called more than once.  Reset
3934         move cost, may_move_in_cost, may_move_out_cost, and
3935         last_mode_for_init_move_cost.
3936         (init_reg_modes_target): Renamed from init_reg_modes_once, since it
3937         can now be invoked more than once.  Update comments.
3938         (init_regs): Update comments.
3939         (fix_register): Update initial_fixed_regs, initial_call_used_regs,
3940         and initial_call_really_used_regs, instead of the non-initial 
3941         variables.  This allows us to save the command-line register settings
3942         after target reinitialization.
3943         (init_reg_autoinc): Zero forbidden_inc_dec_classes.
3944         * rtl.h (init_emit_regs): Declare.
3945         (init_reg_modes_target, init_alias_target): Renamed as described
3946         above.
3947         * reload1.c (init_reload): Update comments.
3948         * optabs.c (init_optabs): Likewise.
3949         * cfgloopanal.c (init_set_costs): Explicitly zero target_avail_regs.
3950         
3951 2007-08-26  Chao-ying Fu  <fu@mips.com>
3952
3953         * rtl.h (XCNMPFV): Preserve const-ness of parameters through use of
3954         __typeof().
3955
3956 2007-08-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3957
3958         * alias.c (memory_modified_1, memory_modified_in_insn_p):
3959         Constify.
3960         * basic-block.h (tree_predicted_by_p, rtl_predicted_by_p):
3961         Likewise.
3962         * bb-reorder.c (copy_bb_p): Likewise.
3963         * cfghooks.c (can_remove_branch_p, can_merge_blocks_p,
3964         predicted_by_p, can_duplicate_block_p, block_ends_with_call_p,
3965         block_ends_with_condjump_p): Likewise.
3966         * cfghooks.h (can_remove_branch_p, can_merge_blocks_p,
3967         predicted_by_p, can_duplicate_block_p, block_ends_with_call_p,
3968         block_ends_with_condjump_p): Likewise.
3969         * cfglayout.c (cfg_layout_can_duplicate_bb_p): Likewise.
3970         * cfgrtl.c (can_delete_note_p, can_delete_label_p,
3971         rtl_can_merge_blocks, cfg_layout_can_merge_blocks_p,
3972         rtl_block_ends_with_call_p, rtl_block_ends_with_condjump_p,
3973         need_fake_edge_p, rtl_can_remove_branch_p): Likewise.
3974         * dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Use
3975         debug_true_const_tree instad of debug_true_tree.
3976         * debug.c (do_nothing_debug_hooks): Likewise.
3977         * debug.h (ignore_block, debug_true_const_tree): Constify.
3978         * dwarf2out.c (stack_adjust_offset, clobbers_queued_reg_save,
3979         dwarf2out_ignore_block, is_pseudo_reg, is_tagged_type,
3980         decl_ultimate_origin, block_ultimate_origin, lookup_decl_loc,
3981         same_dw_val_p, add_ranges, is_subrange_type, type_is_enum,
3982         dbx_reg_number, is_based_loc, field_type,
3983         simple_type_align_in_bits, simple_decl_align_in_bits,
3984         simple_type_size_in_bits, field_byte_offset, insert_float,
3985         type_tag, member_declared_type, is_redundant_typedef,
3986         secname_for_decl, is_inlined_entry_point): Likewise.
3987         * emit-rtl.c (const_next_insn, const_previous_insn,
3988         const_next_nonnote_insn, const_prev_nonnote_insn,
3989         const_next_real_insn, const_prev_real_insn,
3990         const_next_active_insn, const_prev_active_insn, const_next_label,
3991         const_prev_label): Likewise.
3992         * except.h (lookup_stmt_eh_region_fn, lookup_stmt_eh_region):
3993         Likewise.
3994         * haifa-sched.c (may_trap_exp, haifa_classify_insn,
3995         find_set_reg_weight, no_real_insns_p, find_set_reg_weight,
3996         sched_insn_is_legitimate_for_speculation_p): Likewise.
3997         * jump.c (reversed_comparison_code_parts,
3998         reversed_comparison_code, reversed_comparison, condjump_label):
3999         Likewise.
4000         * predict.c (rtl_predicted_by_p, tree_predicted_by_p): Likewise.
4001         * reg-stack.c (stack_regs_mentioned_p, stack_regs_mentioned):
4002         Likewise.
4003         * rtl.h (const_previous_insn, const_next_insn,
4004         const_prev_nonnote_insn, const_next_nonnote_insn,
4005         const_prev_real_insn, const_next_real_insn,
4006         const_prev_active_insn, const_next_active_insn, const_prev_label,
4007         const_next_label, modified_between_p, modified_in_p,
4008         const_note_storeskeep_with_call_p, condjump_label,
4009         reversed_comparison, reversed_comparison_code,
4010         reversed_comparison_code_parts, memory_modified_in_insn_p,
4011         stack_regs_mentioned): Likewise.
4012         * rtlanal.c (modified_between_p, modified_in_p, const_note_stores,
4013         keep_with_call_p): Likewise.
4014         * sched-deps.c (deps_may_trap_p, sched_get_condition,
4015         conditions_mutex_p, sched_insns_conditions_mutex_psd_next_list,
4016         sd_lists_size, sd_lists_empty_p): Likewise.
4017         * sched-int.h (sched_insns_conditions_mutex_p,
4018         haifa_classify_insn, no_real_insns_p,
4019         sched_insn_is_legitimate_for_speculation_p, sd_next_list,
4020         sd_lists_size, sd_lists_empty_p): Likewise.
4021         * sdbout.c (sdb_debug_hooks): Likewise.
4022         * tree-cfg.c (tree_can_merge_blocks_p, is_ctrl_altering_stmt,
4023         stmt_ends_bb_p, tree_can_remove_branch_p, tree_can_duplicate_bb_p,
4024         -tree_block_ends_with_call_p, tree_block_ends_with_condjump_p):
4025         Likewise.
4026         * tree-eh.c (lookup_stmt_eh_region_fn, lookup_stmt_eh_region,
4027         tree_can_throw_internal): Likewise.
4028         * tree-flow-inline.h (phi_nodes): Likewise.
4029         * tree-flow.h (phi_nodesstmt_ends_bb_p, is_ctrl_altering_stmt,
4030         tree_can_throw_internal, lookup_stmt_eh_region): Likewise.
4031         * tree-gimple.c (const_get_call_expr_in): Likewise.
4032         * tree-gimple.h (const_get_call_expr_in): Likewise.
4033         * tree.c (const_lookup_attribute, attribute_list_equal,
4034         attribute_list_contained): Likewise.
4035         * tree.h (attribute_list_equal, attribute_list_contained,
4036         const_lookup_attribute): Likewise.
4037         * vmsdbgout.c (vmsdbgout_ignore_block): Likewise.
4038
4039 2007-08-26  Bernhard Fischer  <aldot@gcc.gnu.org>
4040
4041         * tree-ssa-sccvn.c, tree-ssa-sccvn.h, tree-vn.c,
4042         tree-ssa-pre.c: Remove unnecessary trailing whitespace.
4043
4044 2007-08-26  H.J. Lu  <hongjiu.lu@intel.com>
4045
4046         PR target/32991
4047         * config/alpha/constraints.md: Delete "svn:mime-type" property
4048         with svn propdel "svn:mime-type".
4049
4050 2007-08-26  H.J. Lu  <hongjiu.lu@intel.com>
4051
4052         PR middle-end/33181
4053         * ifcvt.c (noce_get_alt_condition): Make sure that the previous
4054         non NOTE insn doesn't cross basic block.
4055         (noce_try_abs): Likewise.
4056         (noce_process_if_block): Likewise.
4057
4058 2007-08-26  David Edelsohn  <edelsohn@gnu.org>
4059
4060         PR target/33151
4061         * config/rs6000/predicates.md (offsettable_mem_operand): Memory
4062         operand without auto-inc-dec.
4063         * config/rs6000/rs6000.md (floatsidf2_internal): Use
4064         offsettable_mem_operand.
4065         (floatunssidf2_internal): Same.
4066         (fix_truncdfsi2_internal): Same.
4067         (floatsidf_ppc64): Same.
4068         (floatunssidf_ppc64): Same.
4069         (fix_trunctfsi2_internal): Same.
4070
4071 2007-08-26  Bernhard Fischer  <aldot@gcc.gnu.org>
4072
4073         PR bootstrap/30620
4074         * Makefile.in (libbackend.o): Add gcov-iov.h dependency and
4075         pass defines needed for version.c.
4076
4077 2007-08-25  Joseph Myers  <joseph@codesourcery.com>
4078
4079         * configure.ac (--debug-prefix-map check): Change assembler
4080         version presumed to have feature to 2.18.
4081         * configure: Regenerate.
4082
4083 2007-08-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4084
4085         * c-common.c (vector_types_convertible_p,
4086         decl_with_nonnull_addr_p, c_promoting_integer_type_p,
4087         self_promoting_args_p): Constify.
4088         * c-common.h (has_c_linkage, decl_with_nonnull_addr_p,
4089         c_promoting_integer_type_p, self_promoting_args_p,
4090         anon_aggr_type_p, vector_types_convertible_p): Likewise.
4091         * c-decl.c (anon_aggr_type_p): Likewise.
4092         * * c-dump.c (dump_stmt): Likewise.
4093         * c-objc-common.c (has_c_linkage): Likewise.
4094         * c-tree.h (same_translation_unit_p): Likewise.
4095         * c-typeck.c (null_pointer_constant_p,
4096         tagged_types_tu_compatible_p, function_types_compatible_p,
4097         type_lists_compatible_p, lvalue_or_else, lvalue_p,
4098         comptypes_internal, struct tagged_tu_seen_cache,
4099         same_translation_unit_p, alloc_tagged_tu_seen_cache,
4100         c_size_in_bytes): Likewise.
4101         * ggc-common.c (compare_ptr_data, hash_descriptor, eq_descriptor,
4102         hash_ptr, eq_ptr): Likewise.
4103         * langhooks-def.h (lhd_decl_ok_for_sibcall,
4104         LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE): Likewise.
4105         * langhooks.c (lhd_decl_ok_for_sibcall): Likewise.
4106         * langhooks.h (ok_for_sibcall, omp_privatize_by_reference):
4107         Likewise.
4108         * optabs.c (optab_for_tree_code): Likewise.
4109         * optabs.h (optab_for_tree_code): Likewise.
4110         * rtl.h (simplify_rtx): Likewise.
4111         * simplify-rtx.c (simplify_rtx): Likewise.
4112         * tree-dump.c (queue, queue_and_dump_index, queue_and_dump_type,
4113         dump_flag, dump_node): Likewise.
4114         * tree-dump.h (struct dump_info, dump_stmt, queue_and_dump_index,
4115         queue_and_dump_type, dump_flag): Likewise.
4116         * tree-flow.h (vect_can_force_dr_alignment_p): Likewise.
4117         * tree-pass.h (dump_node): Likewise.
4118         * tree-vectorizer.c (vect_can_force_dr_alignment_p,
4119         supportable_narrowing_operation): Likewise.
4120         * tree-vectorizer.h (vect_can_force_dr_alignment_p,
4121         supportable_narrowing_operation): Likewise.
4122         * tree-vrp.c (needs_overflow_infinity, supports_overflow_infinity,
4123         is_negative_overflow_infinity, is_positive_overflow_infinity,
4124         is_overflow_infinity, vrp_val_is_max, vrp_val_is_min,
4125         nonnull_arg_p, get_value_range, vrp_operand_equal_p,
4126         update_value_range, add_equivalence, ssa_name_nonnegative_p,
4127         ssa_name_nonzero_p, fp_predicate): Likewise.
4128         * tree.c (auto_var_in_fn_p, empty_body_p): Likewise.
4129         * tree.h (empty_body_p, auto_var_in_fn_p, ssa_name_nonzero_p,
4130         ssa_name_nonnegative_p): Likewise.
4131
4132 2007-08-25  Hans Kester  <hans.kester@ellips.nl>
4133
4134         * config.gcc : Add x86_64-elf target.
4135
4136 2007-08-25  Jakub Jelinek  <jakub@redhat.com>
4137
4138         * expr.c (store_expr): Fix order of store_by_pieces arguments.
4139
4140 2007-08-24  Sandra Loosemore  <sandra@codesourcery.com>
4141             Nigel Stephens <nigel@mips.com>
4142
4143         PR target/11787
4144
4145         * doc/tm.texi (SET_RATIO, SET_BY_PIECES_P): Document new macros.
4146         (STORE_BY_PIECES_P): No longer applies to __builtin_memset.
4147         * expr.c (SET_BY_PIECES_P): Define.
4148         (can_store_by_pieces, store_by_pieces): Add MEMSETP argument; use
4149         it to decide whether to use SET_BY_PIECES_P or STORE_BY_PIECES_P.
4150         (store_expr): Pass MEMSETP argument to can_store_by_pieces and
4151         store_by_pieces.
4152         * expr.h (SET_RATIO): Define.
4153         (can_store_by_pieces, store_by_pieces): Update prototypes.
4154         * builtins.c (expand_builtin_memcpy): Pass MEMSETP argument to
4155         can_store_by_pieces/store_by_pieces.
4156         (expand_builtin_memcpy_args): Likewise.
4157         (expand_builtin_strncpy): Likewise.
4158         (expand_builtin_memset_args): Likewise.  Also remove special case
4159         for optimize_size so that can_store_by_pieces/SET_BY_PIECES_P can
4160         decide what to do instead.
4161         * value-prof.c (tree_stringops_transform): Pass MEMSETP argument
4162         to can_store_by_pieces.
4163
4164         * config/sh/sh.h (SET_BY_PIECES_P): Clone from STORE_BY_PIECES_P.
4165         * config/s390/s390.h (SET_BY_PIECES_P): Likewise.
4166
4167         * config/mips/mips.opt (mmemcpy): Change from Var to Mask.
4168         * config/mips/mips.c (override_options): Make -Os default to -mmemcpy.
4169         * config/mips/mips.h (MIPS_CALL_RATIO): Define.
4170         (MOVE_RATIO, CLEAR_RATIO, SET_RATIO): Define.
4171         (STORE_BY_PIECES_P): Define.
4172
4173 2007-08-24  Tom Tromey  <tromey@redhat.com>
4174
4175         * varpool.c (varpool_last_needed_node): Fix comment typo.
4176         * c-decl.c (duplicate_decls): Fix comment typo.
4177         (clone_underlying_type): Update comment.
4178
4179 2007-08-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4180
4181         * config/alpha/alpha.c (alpha_mangle_type, decl_has_samegp,
4182         alpha_in_small_data_p, alpha_split_complex_arg,
4183         alpha_stdarg_optimize_hook, TARGET_ASM_CAN_OUTPUT_MI_THUNK):
4184         Constify.
4185         * config/arm/arm-protos.h (arm_mangle_type): Likewise.
4186         * config/arm/arm.c (arm_comp_type_attributes, arm_mangle_type):
4187         Likewise.
4188         * config/bfin/bfin.c (funkind, bfin_comp_type_attributes,
4189         TARGET_ASM_CAN_OUTPUT_MI_THUNK): Likewise.
4190         * config/darwin-protos.h (darwin_binds_local_p): Likewise.
4191         * config/darwin.c (darwin_binds_local_p): Likewise.
4192         * config/frv/frv.c (frv_string_begins_with, frv_in_small_data_p):
4193         Likewise.
4194         * config/i386/i386-protos.h (i386_pe_binds_local_p,
4195         i386_pe_valid_dllimport_attribute_p): Likewise.
4196         * config/i386/i386.c (ix86_function_regparm,
4197         ix86_comp_type_attributes, ix86_ms_bitfield_layout_p,
4198         x86_can_output_mi_thunk, ix86_mangle_type,
4199         TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4200         * config/i386/winnt.c (i386_pe_valid_dllimport_attribute_p,
4201         i386_pe_binds_local_p): Likewise.
4202         * config/ia64/ia64.c
4203         (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
4204         ia64_needs_block_p, ia64_in_small_data_p, ia64_mangle_type,
4205         ia64_invalid_conversion, ia64_invalid_unary_op,
4206         ia64_invalid_binary_op, TARGET_ASM_CAN_OUTPUT_MI_THUNK):
4207         Likewise.
4208         * config/m32c/m32c.c (m32c_comp_type_attributes): Likewise.
4209         * config/m32r/m32r.c (m32r_in_small_data_p): Likewise.
4210         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Likewise.
4211         * config/mips/mips.c (mips_use_blocks_for_constant_p,
4212         mips_in_small_data_p, mips_use_anchors_for_symbol_p,
4213         mips_comp_type_attributes, TARGET_ASM_CAN_OUTPUT_MI_THUNK,
4214         mips_near_type_p, mips_far_type_p, mips_global_symbol_p,
4215         mips_symbol_binds_local_p, mips_classify_symbol): Likewise.
4216         * config/pa/pa.c (pa_commutative_p): Likewise.
4217         * config/rs6000/rs6000-protos.h (rs6000_elf_in_small_data_p):
4218         Likewise.
4219         * config/rs6000/rs6000.c (rs6000_invalid_within_doloop,
4220         rs6000_ms_bitfield_layout_p, rs6000_mangle_type,
4221         rs6000_use_blocks_for_constant_p,
4222         rs6000_vector_alignment_reachable, rs6000_is_opaque_type,
4223         invalid_arg_for_unprototyped_fn, TARGET_ASM_CAN_OUTPUT_MI_THUNK,
4224         TARGET_SPLIT_COMPLEX_ARG, rs6000_elf_in_small_data_p): Likewise.
4225         * config/s390/s390.c (s390_mangle_type,
4226         TARGET_ASM_CAN_OUTPUT_MI_THUNK, TARGET_INVALID_WITHIN_DOLOOP):
4227         Likewise.
4228         * config/score/score.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK,
4229         th_in_small_data_p): Likewise.
4230         * config/sh/sh.c (sh_ms_bitfield_layout_p,
4231         sh_dwarf_calling_convention, TARGET_ASM_CAN_OUTPUT_MI_THUNK):
4232         Likewise.
4233         * config/sparc/sparc.c (sparc_can_output_mi_thunk,
4234         sparc_mangle_type): Likewise.
4235         * config/spu/spu.c (spu_vector_alignment_reachable): Likewise.
4236         * config/xtensa/xtensa.c (TARGET_SPLIT_COMPLEX_ARG): Likewise.
4237         * emit-rtl.c (const_fixed_htab_hash, const_fixed_htab_eq):
4238         Likewise.
4239         * hooks.c (hook_bool_mode_const_rtx_false,
4240         hook_bool_mode_const_rtx_true,
4241         hook_bool_const_tree_hwi_hwi_const_tree_false,
4242         hook_bool_const_tree_hwi_hwi_const_tree_true,
4243         hook_int_const_tree_0, hook_int_const_tree_const_tree_1,
4244         hook_constcharptr_const_tree_null,
4245         hook_constcharptr_const_rtx_null,
4246         hook_constcharptr_const_tree_const_tree_null,
4247         hook_constcharptr_int_const_tree_null,
4248         hook_constcharptr_int_const_tree_const_tree_null): New.
4249         (hook_bool_mode_rtx_false, hook_bool_mode_rtx_true,
4250         hook_bool_tree_hwi_hwi_tree_false,
4251         hook_bool_tree_hwi_hwi_tree_true, hook_int_tree_0,
4252         hook_int_tree_tree_1, hook_constcharptr_tree_null,
4253         hook_constcharptr_rtx_null, hook_constcharptr_tree_tree_null,
4254         hook_constcharptr_int_tree_null,
4255         hook_constcharptr_int_tree_tree_null): Delete.
4256         (default_can_output_mi_thunk_no_vcall): Constify.
4257         * hooks.h (hook_bool_mode_rtx_false, hook_bool_mode_rtx_true,
4258         hook_bool_tree_hwi_hwi_tree_false,
4259         hook_bool_tree_hwi_hwi_tree_true, hook_int_tree_0,
4260         hook_int_tree_tree_1, hook_constcharptr_tree_null,
4261         hook_constcharptr_rtx_null, hook_constcharptr_tree_tree_null,
4262         hook_constcharptr_int_tree_null,
4263         hook_constcharptr_int_tree_tree_null): Delete.
4264         (hook_bool_mode_const_rtx_false, hook_bool_mode_const_rtx_true,
4265         hook_bool_const_tree_hwi_hwi_const_tree_false,
4266         hook_bool_const_tree_hwi_hwi_const_tree_true,
4267         hook_int_const_tree_0, hook_int_const_tree_const_tree_1,
4268         hook_constcharptr_const_tree_null,
4269         hook_constcharptr_const_rtx_null,
4270         hook_constcharptr_const_tree_const_tree_null,
4271         hook_constcharptr_int_const_tree_null,
4272         hook_constcharptr_int_const_tree_const_tree_null): New.
4273         (default_can_output_mi_thunk_no_vcall): Constify.
4274         * integrate.c (function_attribute_inlinable_p): Likewise.
4275         * integrate.h (function_attribute_inlinable_p): Likewise.
4276         * jump.c (rtx_renumbered_equal_p): Likewise.
4277         * output.h (decl_readonly_section, categorize_decl_for_section,
4278         default_use_anchors_for_symbol_p, default_binds_local_p,
4279         default_binds_local_p_1): Likewise.
4280         * rtl.h (rtx_renumbered_equal_p, decl_default_tls_model):
4281         Likewise.
4282         * target-def.h (TARGET_ASM_CAN_OUTPUT_MI_THUNK,
4283         TARGET_VALID_DLLIMPORT_ATTRIBUTE_P, TARGET_VECTOR_OPAQUE_P,
4284         TARGET_COMMUTATIVE_P, TARGET_USE_BLOCKS_FOR_CONSTANT_P,
4285         TARGET_COMP_TYPE_ATTRIBUTES,
4286         TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P,
4287         TARGET_MS_BITFIELD_LAYOUT_P, TARGET_MANGLE_TYPE,
4288         TARGET_IN_SMALL_DATA_P, TARGET_INVALID_CONVERSION,
4289         TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP,
4290         TARGET_DWARF_CALLING_CONVENTION): Likewise.
4291         * target.h (can_output_mi_thunk, needs_block_p,
4292         first_cycle_multipass_dfa_lookahead_guard_spec,
4293         vector_alignment_reachable, comp_type_attributes,
4294         function_attribute_inlinable_p, ms_bitfield_layout_p, mangle_type,
4295         commutative_p, use_blocks_for_constant_p,
4296         use_anchors_for_symbol_p, in_small_data_p, binds_local_p,
4297         vector_opaque_p, dwarf_calling_convention, stdarg_optimize_hook,
4298         invalid_within_doloop, valid_dllimport_attribute_p,
4299         split_complex_arg, invalid_arg_for_unprototyped_fn,
4300         invalid_conversion, invalid_unary_op, invalid_binary_op):
4301         Likewise.
4302         * targhooks.c (default_invalid_within_doloop,
4303         hook_invalid_arg_for_unprototyped_fn,
4304         default_builtin_vector_alignment_reachable): Likewise.
4305         (hook_bool_rtx_commutative_p): Delete.
4306         (hook_bool_const_rtx_commutative_p): New.
4307         * targhooks.h (default_invalid_within_doloop,
4308         default_builtin_vector_alignment_reachable,
4309         hook_invalid_arg_for_unprototyped_fn): Constify.
4310         (hook_bool_rtx_commutative_p): Delete.
4311         (hook_bool_const_rtx_commutative_p): New.
4312         * varasm.c (bss_initializer_p, decl_default_tls_model,
4313         categorize_decl_for_section, decl_readonly_section,
4314         default_use_anchors_for_symbol_p, default_binds_local_p,
4315         default_binds_local_p_1): Constify.
4316
4317 2007-08-24  Jie Zhang  <jie.zhang@analog.com>
4318
4319         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4320         __NO_BUILTIN if -fno-builtin.
4321
4322 2007-08-24  Jie Zhang  <jie.zhang@analog.com>
4323
4324         * config/bfin/bfin.c (print_operand): Report error instead of
4325         ICE for wrong operand.
4326
4327 2007-08-24  Michael Matz  <matz@suse.de>
4328
4329         * Makefile.in (GTFILES_H): Use $(patsubst) instead of $(subst).
4330
4331 2007-08-24  Richard Guenther  <rguenther@suse.de>
4332
4333         PR middle-end/33166
4334         * tree-ssa.c (useless_type_conversion_p): Split into a
4335         recursive and a non-recursive part.
4336         (useless_type_conversion_p_1): New function.
4337         * tree-ssa-ccp.c (fold_stmt_r): Make sure that the result
4338         from maybe_fold_offset_to_reference is trivially convertible
4339         to the desired type before doing the simplification.
4340
4341 2007-08-24  Jakub Jelinek  <jakub@redhat.com>
4342
4343         * expr.c (store_expr): Optimize initialization of an array
4344         with STRING_CST.
4345         * expr.h (builtin_strncpy_read_str): New prototype.
4346         * builtins.c (builtin_strncpy_read_str): Remove prototype.
4347         No longer static.
4348
4349 2007-08-24  Uros Bizjak  <ubizjak@gmail.com>
4350
4351         PR middle-end/33157
4352         * ifcvt.c (noce_find_if_block): Do not clear if_info.cond_earliest
4353         field when initializing if_info structure.
4354
4355 2007-08-24  Richard Guenther  <rguenther@suse.de>
4356
4357         * Makefile.in (tree-inline.o): Add $(TARGET_H) and $(INTEGRATE_H)
4358         dependencies.
4359         * c-objc-common.c (c_cannot_inline_tree_fn): Remove.
4360         * langhooks.c (lhd_tree_inlining_cannot_inline_tree_fn): Likewise.
4361         * tree-inline.c (inlinable_function_p): Fold in common parts of
4362         the cannot_inline_tree_fn langhook.
4363         * langhooks-def.h (lhd_tree_inlining_cannot_inline_tree_fn): Remove.
4364         (LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN): Likewise.
4365         (LANG_HOOKS_TREE_INLINING_INITIALIZER): Remove initializer for
4366         cannot_inline_tree_fn langhook.
4367         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
4368         cannot_inline_tree_fn member.
4369
4370 2007-08-24  Richard Guenther  <rguenther@suse.de>
4371
4372         * expr.c (get_inner_reference): Do computation of bitoffset
4373         from offset in a way we can detect overflow reliably.
4374
4375 2007-08-24  Jie Zhang  <jie.zhang@analog.com>
4376
4377         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define for uClibc.
4378
4379 2007-08-24  Jie Zhang  <jie.zhang@analog.com>
4380
4381         * config/bfin/bfin.opt (mfast-fp): Add.
4382         * config/bfin/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Let
4383         libbffastfp override libgcc if -mfast-fp.
4384         * config/bfin/bfin.h (LINK_GCC_C_SEQUENCE_SPEC): Likewise.
4385         * doc/invoke.texi (Option Summary): Mention -mfast-fp.
4386         (Blackfin Options): Document -mfast-fp.
4387
4388 2007-08-24  Jakub Jelinek  <jakub@redhat.com>
4389
4390         PR tree-optimization/32573
4391         PR middle-end/32946
4392         * tree-data-ref.c (initialize_data_dependence_relation): Clear
4393         DDR_SUBSCRIPTS, DDR_DIR_VECTS and DDR_DIST_VECTS at the beginning.
4394         (finalize_ddr_dependent): Clear DDR_SUBSCRIPTS after freeing it.
4395         (build_classic_dist_vector): Return false rather than true if
4396         DDR_ARE_DEPENDENT is non-NULL at the beginning.  Return false
4397         if either subscript_dependence_tester_1 or build_classic_dist_vector_1
4398         returned false.  Don't call save_dist_v before calling
4399         build_classic_dist_vector_1.
4400         (free_dependence_relation): Don't guard freeing DDR_SUBSCRIPTS
4401         with NULL DDR_ARE_DEPENDENT.  Also free DDR_DIST_VECTS and/or
4402         DDR_DIR_VECTS vectors.
4403
4404 2007-08-23  Brian Sidebotham  <brian.sidebotham@gmail.com>
4405
4406         * configure.ac (leb128): Modify sed statement to work with any
4407         binutils version string.
4408         * configure: Regenerate
4409
4410 2007-08-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4411
4412         * config/arc/arc-protos.h arc_select_cc_mode, gen_compare_reg):
4413         Wrap in RTX_CODE macro guard.
4414         * config/arm/pe.c (arm_dllexport_p, arm_dllimport_p,
4415         arm_dllexport_name_p, arm_dllimport_name_p, arm_mark_dllexport,
4416         arm_mark_dllimport, arm_pe_encode_section_info,
4417         arm_pe_unique_section): Use ISO-C function declarations.
4418         * config/c4x/c4x-c.c (c4x_parse_pragma, c4x_pr_CODE_SECTION,
4419         c4x_pr_DATA_SECTION, c4x_pr_FUNC_IS_PURE,
4420         c4x_pr_FUNC_NEVER_RETURNS, c4x_pr_INTERRUPT, c4x_pr_ignored):
4421         Likewise.
4422         * config/iq2000/iq2000.h (ASM_OUTPUT_SKIP): Fix format warning.
4423         * config/m68hc11/m68hc11.h (ASM_OUTPUT_EXTERNAL): Undef before
4424         defining.
4425         * config/mips/mips.h (ASM_DECLARE_OBJECT_NAME): Fix format
4426         warnings.
4427         * config/mn10300/mn10300.h (OUTPUT_ADDR_CONST_EXTRA): Likewise.
4428         * config/pdp11/pdp11.c (pdp11_output_function_epilogue): Likewise.
4429         (register_move_cost): Use ISO-C function declarations.
4430         * config/pdp11/pdp11.h (PRINT_OPERAND): Fix format warnings.
4431         * config/score/score-protos.h (score_declare_object): Add
4432         ATTRIBUTE_PRINTF_4.
4433         * config/score/score.h (ASM_DECLARE_OBJECT_NAME): Fix format
4434         warnings.
4435         * final.c (profile_function): Avoid empty if-bodies.
4436         
4437         
4438         * calls.c (must_pass_in_stack_var_size,
4439         must_pass_in_stack_var_size_or_pad): Constify.
4440         * config/alpha/alpha-protos.h (function_value): Likewise.
4441         * config/alpha/alpha.c (alpha_return_in_memory,
4442         alpha_pass_by_reference, function_value,
4443         unicosmk_must_pass_in_stack, TARGET_PROMOTE_FUNCTION_ARGS,
4444         TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES):
4445         Likewise.
4446         * config/arc/arc.c (arc_return_in_memory, arc_pass_by_reference,
4447         TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN,
4448         TARGET_PROMOTE_PROTOTYPES): Likewise.
4449         * config/arm/arm-protos.h (arm_return_in_memory,
4450         arm_pad_arg_upward, arm_function_value): Likewise.
4451         * config/arm/arm.c (arm_pass_by_reference,
4452         arm_promote_prototypes, arm_return_in_msb, arm_must_pass_in_stack,
4453         TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN,
4454         arm_function_value, arm_return_in_memory, arm_pad_arg_upward):
4455         Likewise.
4456         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
4457         * config/avr/avr-protos.h (avr_function_value): Likewise.
4458         * config/avr/avr.c (avr_return_in_memory,
4459         gas_output_limited_string, gas_output_ascii, avr_function_value,
4460         avr_return_in_memory): Likewise.
4461         * config/bfin/bfin-protos.h (bfin_return_in_memory): Likewise.
4462         * config/bfin/bfin.c (bfin_pass_by_reference,
4463         bfin_return_in_memory, TARGET_PROMOTE_PROTOTYPES,
4464         TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN):
4465         Likewise.
4466         * config/cris/cris.c (cris_pass_by_reference,
4467         TARGET_PROMOTE_FUNCTION_ARGS): Likewise.
4468         * config/crx/crx.c (crx_return_in_memory): Likewise.
4469         * config/darwin.c (function_base, machopic_function_base_name):
4470         Likewise.
4471         * config/fr30/fr30.c (fr30_must_pass_in_stack,
4472         TARGET_PROMOTE_PROTOTYPES): Likewise.
4473         * config/frv/frv.c (frv_must_pass_in_stack): Likewise.
4474         * config/h8300/h8300.c (h8300_return_in_memory): Likewise.
4475         * config/i386/i386-protos.h (ix86_return_in_memory,
4476         ix86_sol10_return_in_memory): Likewise.
4477         * config/i386/i386.c (ix86_function_value,
4478         ix86_function_sseregparm, ix86_must_pass_in_stack,
4479         type_natural_mode, classify_argument, examine_argument,
4480         construct_container, ix86_pass_by_reference, function_value_32,
4481         function_value_64, ix86_function_value_1, return_in_memory_32,
4482         return_in_memory_64, return_in_memory_ms_64,
4483         ix86_return_in_memory, ix86_sol10_return_in_memory,
4484         TARGET_PROMOTE_PROTOTYPES): Likewise.
4485         * config/ia64/ia64-protos.h (ia64_function_value,
4486         ia64_hpux_function_arg_padding): Likewise.
4487         * config/ia64/ia64.c (hfa_element_mode, ia64_return_in_memory,
4488         ia64_function_value, bundle_state_hash, bundle_state_eq_p,
4489         ia64_hpux_function_arg_padding): Likewise.
4490         * config/iq2000/iq2000-protos.h (function_arg,
4491         iq2000_function_value): Likewise.
4492         * config/iq2000/iq2000.c (iq2000_return_in_memory,
4493         iq2000_pass_by_reference, TARGET_PROMOTE_FUNCTION_ARGS,
4494         TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES,
4495         function_arg, iq2000_function_value): Likewise.
4496         * config/m32c/m32c-protos.h (m32c_function_value,
4497         m32c_promote_function_return): Likewise.
4498         * config/m32c/m32c.c (m32c_pass_by_reference,
4499         m32c_promote_prototypes, m32c_promote_function_return,
4500         m32c_function_value): Likewise.
4501         * config/m32r/m32r.c (m32r_return_in_memory,
4502         m32r_pass_by_reference, TARGET_PROMOTE_PROTOTYPES,
4503         m32r_in_small_data_p): Likewise.
4504         * config/m68hc11/m68hc11-protos.h (m68hc11_function_arg_padding):
4505         Likewise.
4506         * config/m68hc11/m68hc11.c (m68hc11_return_in_memory,
4507         m68hc11_function_arg_padding): Likewise.
4508         * config/m68k/m68k-protos.h (m68k_function_value): Likewise.
4509         * config/m68k/m68k.c (TARGET_PROMOTE_PROTOTYPES,
4510         m68k_function_value): Likewise.
4511         * config/mcore/mcore-protos.h (mcore_num_arg_regs,
4512         mcore_function_value): Likewise.
4513         * config/mcore/mcore.c (handle_structs_in_regs,
4514         mcore_return_in_memory, TARGET_PROMOTE_FUNCTION_ARGS,
4515         TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES,
4516         mcore_num_arg_regs, mcore_function_value): Likewise.
4517         * config/mips/mips-protos.h (mips_pad_arg_upward,
4518         mips_function_value): Likewise.
4519         * config/mips/mips.c (mips_fpr_return_fields, mips_return_in_msb,
4520         mips_return_in_memory, mips_pass_by_reference, mips_callee_copies,
4521         TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN,
4522         TARGET_PROMOTE_PROTOTYPES, mips_pad_arg_upward,
4523         mips_function_value): Likewise.
4524         * config/mmix/mmix-protos.h (mmix_function_outgoing_value):
4525         Likewise.
4526         * config/mmix/mmix.c (mmix_pass_by_reference,
4527         TARGET_PROMOTE_FUNCTION_ARGS, mmix_function_outgoing_value,
4528         mmix_encode_section_info): Likewise.
4529         * config/mn10300/mn10300-protos.h (mn10300_function_value):
4530         Likewise.
4531         * config/mn10300/mn10300.c (mn10300_return_in_memory,
4532         mn10300_pass_by_reference, TARGET_PROMOTE_PROTOTYPES,
4533         mn10300_function_value): Likewise.
4534         * config/mt/mt-protos.h (mt_function_value): Likewise.
4535         * config/mt/mt.c (mt_pass_by_reference, mt_function_value,
4536         mt_pass_in_stack, TARGET_PROMOTE_PROTOTYPES): Likewise.
4537         * config/pa/pa-protos.h (function_arg_padding, function_value,
4538         pa_return_in_memory): Likewise.
4539         * config/pa/pa.c (pa_pass_by_reference,
4540         TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES,
4541         function_arg_padding, function_value, pa_return_in_memory):
4542         Likewise.
4543         * config/pdp11/pdp11.c (pdp11_return_in_memory): Likewise.
4544         * config/rs6000/rs6000-protos.h (rs6000_function_value,
4545         function_arg_padding): Likewise.
4546         * config/rs6000/rs6000.c (rs6000_return_in_memory,
4547         rs6000_darwin64_record_arg_recurse, rs6000_darwin64_record_arg,
4548         rs6000_pass_by_reference, rs6000_must_pass_in_stack,
4549         TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN,
4550         function_arg_padding, altivec_expand_dst_builtin,
4551         altivec_expand_builtin, rs6000_expand_builtin, spe_init_builtins,
4552         altivec_init_builtins, rs6000_common_init_builtins,
4553         rs6000_function_value): Likewise.
4554         * s390/s390-protos.h (s390_function_value): Likewise.
4555         * config/s390/s390.c (s390_function_arg_size,
4556         s390_pass_by_reference, s390_return_in_memory,
4557         s390_function_value, TARGET_PROMOTE_FUNCTION_ARGS,
4558         TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
4559         * config/score/score-protos.h (score_function_value): Likewise.
4560         * config/score/score.c (score_arg_partial_bytes,
4561         TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN,
4562         TARGET_PROMOTE_PROTOTYPES, score_return_in_memory,
4563         score_pass_by_reference, score_add_offset, score_function_value):
4564         Likewise.
4565         * config/sh/sh-protos.h (sh_attr_renesas_p,
4566         sh_promote_prototypes): Likewise.
4567         * config/sh/sh.c (sh_return_in_memory, sh_pass_by_reference,
4568         sh_callee_copies, sh_promote_prototypes, shcompact_byref,
4569         sh_attr_renesas_p): Likewise.
4570         * config/sparc/sparc-protos.h (function_value,
4571         function_arg_padding): Likewise.
4572         * config/sparc/sparc.c (sparc_promote_prototypes,
4573         sparc_return_in_memory, sparc_pass_by_reference,
4574         TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN,
4575         function_arg_record_value_2, function_arg_record_value_1,
4576         function_arg_record_value, function_arg_record_value,
4577         function_arg_padding, function_value): Likewise.
4578         * config/spu/spu-protos.h (spu_function_value): Likewise.
4579         * config/spu/spu.c (spu_pass_by_reference, spu_return_in_memory,
4580         spu_function_value): Likewise.
4581         * config/stormy16/stormy16-protos.h (xstormy16_function_value):
4582         Likewise.
4583         * config/stormy16/stormy16.c (xstormy16_return_in_memory,
4584         xstormy16_function_value, TARGET_PROMOTE_FUNCTION_ARGS,
4585         TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES):
4586         Likewise.
4587         * config/v850/v850.c (v850_return_in_memory,
4588         v850_pass_by_reference, TARGET_PROMOTE_PROTOTYPES): Likewise.
4589         * config/vax/vax.c (TARGET_PROMOTE_PROTOTYPES): Likewise.
4590         * config/xtensa/xtensa.c (xtensa_return_in_msb,
4591         xtensa_return_in_memory, TARGET_PROMOTE_FUNCTION_ARGS,
4592         TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES):
4593         Likewise.
4594         * explow.c (promote_mode, hard_function_value): Likewise.
4595         * expr.h (hard_function_value, promote_mode): Likewise.
4596         * function.c (aggregate_value_p): Likewise.
4597         * hooks.c (hook_bool_const_tree_true): New.
4598         * hooks.h (hook_bool_const_tree_true): New.
4599         * sdbout.c (SET_KNOWN_TYPE_TAG, plain_type_1): Constify.
4600         * target-def.h (TARGET_PROMOTE_FUNCTION_ARGS,
4601         TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES,
4602         TARGET_RETURN_IN_MSB): Likewise.
4603         * target.h (promote_function_args, promote_function_return,
4604         promote_prototypes, return_in_memory, return_in_msb,
4605         pass_by_reference, must_pass_in_stack, callee_copies,
4606         function_value): Likewise.
4607         * targhooks.c (default_return_in_memory,
4608         hook_pass_by_reference_must_pass_in_stack,
4609         hook_callee_copies_named,
4610         hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false,
4611         hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true,
4612         default_function_value): Likewise. 
4613         * targhooks.h (default_return_in_memory,
4614         hook_pass_by_reference_must_pass_in_stack,
4615         hook_callee_copies_named,
4616         hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false,
4617         hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true,
4618         default_function_value): Likewise.
4619         * tree-ssa-structalias.c (const_equiv_class_label_t): New.
4620         (equiv_class_label_hash, equiv_class_label_eq): Constify.
4621         * tree-vectorizer.c (bb_in_loop_p): Likewise.
4622         * tree.c (needs_to_live_in_memory): Likewise.
4623         * tree.h (struct tree_type, needs_to_live_in_memory,
4624         aggregate_value_p, must_pass_in_stack_var_size,
4625         must_pass_in_stack_var_size_or_pad): Likewise.
4626         * vmsdbgout.c (write_debug_addr, write_debug_delta4,
4627         write_debug_string, ASM_OUTPUT_DEBUG_STRING, write_rtnbeg,
4628         lookup_filename): Likewise.
4629
4630 2007-08-23  Uros Bizjak  <ubizjak@gmail.com>
4631
4632         PR target/17390
4633         * config/i386/i386.c (ix86_expand_fp_compare): Expand fp comparison to
4634         fake fcomi i387 instruction for !TARGET_CMOVE.
4635         (ix86_expand_branch): Expand natural sequence with one jump for
4636         all targets, not only TARGET_CMOVE.
4637         * config/i386/i386.md (*cmpfp_0_cc): New define_insn_and_split
4638         pattern to implement fake fcomi sequence.  Split instruction after
4639         reload to correct compare sequences.
4640         (*cmpfp_xf_cc): Ditto.
4641         (*cmpfp_<mode>_cc): Ditto.
4642         (*cmpfp_u_cc): Ditto.
4643         (*cmpfp_<mode>_cc): Ditto.
4644
4645 2007-08-23  Richard Guenther  <rguenther@suse.de>
4646
4647         * tree-pretty-print.c (dump_generic_node): Annotate
4648         GIMPLE_MODIFY_STMTs with volatile ops with "{v}".
4649
4650 2007-08-23  Richard Guenther  <rguenther@suse.de>
4651
4652         * builtins.c (expand_builtin_mathfn): Wrap argument in
4653         save_expr directly instead of re-building the call.
4654         (expand_builtin_mathfn_2): Likewise.
4655         (expand_builtin_mathfn_3): Likewise.
4656         (expand_builtin_interclass_mathfn): Likewise.
4657         (expand_builtin_int_roundingfn): Set arg.
4658         (expand_builtin_int_roundingfn_2): Likewise.
4659
4660 2007-08-23  Paolo Bonzini  <bonzini@gnu.org>
4661
4662         * config/i386/sse.md (*sse_and<mode>3, *sse_ior<mode>3,
4663         *sse_nand<mode>3, *sse_xor<mode>3): New.
4664
4665 2007-08-23  Uros Bizjak  <ubizjak@gmail.com>
4666
4667         * config/i386/i386.h (PRINT_OPERAND_PUNCT_VALID_P): Add ';' code.
4668         * config/i386/i386.c (print_operand): Handle ';' code.  Output
4669         semicolon for TARGET_MACHO.
4670         * config/i386/sync.md (*sync_compare_and_swap<mode>): Use '%;' to
4671         emit semicolon after 'lock' prefix.
4672         (sync_double_compare_and_swap<mode>): Ditto.
4673         (*sync_double_compare_and_swapdi_pic): Ditto.
4674         (*sync_compare_and_swap_cc<mode>): Ditto.
4675         (sync_double_compare_and_swap_cc<mode>): Ditto.
4676         (*sync_double_compare_and_swap_ccdi_pic): Ditto.
4677         (sync_old_add<mode>): Ditto.
4678         (sync_add<mode>): Ditto.
4679         (sync_sub<mode>): Ditto.
4680         (sync_ior<mode>): Ditto.
4681         (sync_and<mode>): Ditto.
4682         (sync_xor<mode>): Ditto.
4683
4684 2007-08-22  Chao-ying Fu  <fu@mips.com>
4685
4686         * rtl.c (rtx_code_size): Check CONST_FIXED to calcualte correct sizes
4687         in DEF_RTL_EXPR.
4688         (copy_rtx): Handle CONST_FIXED.
4689         (rtx_equal_p): Likewise.
4690         * rtl.h (fixed_value.h): New include.
4691         (rtx_def): Add a new field of fixed_value to u.
4692         (XCNMPFV): Define for accessing fixed_value.
4693         (CONST_FIXED_VALUE, CONST_FIXED_VALUE_HIGH, CONST_FIXED_VALUE_LOW):
4694         Define.
4695         * rtl.def (CONST_FIXED): New constant.
4696         (SS_MULT, US_MULT, SS_DIV, US_DIV, FRACT_CONVERT,
4697         UNSIGNED_FRACT_CONVERT, SAT_FRACT, UNSIGNED_SAT_FRACT, US_NEG,
4698         US_ASHIFT): New codes.
4699         * doc/rtl.texi (Expressions): Document const_fixed, us_neg, ss_mult,
4700         us_mult, ss_div, us_div, us_ashift, fract_convert, sat_fract,
4701         unsigned_fract_convert, unsigned_sat_fract): Document them.
4702         * varasm.c (assemble_integer): Extend to support fixed-point constants
4703         by using different machine classes.
4704         (decode_addr_const): Handle FIXED_CST.
4705         (const_hash_1): Likewise.
4706         (compare_constant): Likewise.
4707         (copy_constant): Likewise.
4708         (const_rtx_hash_1): Handle CONST_FIXED.
4709         (output_constant_pool_2): Handle MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
4710         MODE_UACCUM, MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
4711         MODE_VECTOR_UACCUM.
4712         (initializer_constant_valid_p): Handle FIXED_CST.
4713         (output_constant): Support FIXED_POINT_TYPE.
4714         * gengenrtl.c (excluded_rtx): Check CONST_FIXED to exclude.
4715         * cse.c (hash_rtx): Support CONST_FIXED.
4716         (exp_equiv_p): Likewise.
4717         (cannon_reg): Likewise.
4718         (fold_rtx): Likewise.
4719         (equiv_constant): Likewise.
4720         (cse_process_notes_1): Likewise.
4721         (count_reg_usage): Likewise.
4722         * cselib.c (entry_and_rtx_equal_p): Check CONST_FIXED.
4723         (rtx_equal_for_cselib_p): Handle CONST_FIXED.
4724         (wrap_constant): Check CONST_FIXED.
4725         (cselib_hash_rtx): Support CONST_FIXED.
4726         (cselib_subst_to_values): Likewise.
4727         * df-scan.c (df_uses_record): Likewise.
4728         * gcse.c (want_to_gcse_p): Likewise.
4729         (oprs_unchanged_p): Likewise.
4730         (oprs_not_set_p): Likewise.
4731         (compute_transp): Likewise.
4732         (extract_mentioned_regs_helper): Likewise.
4733         * genemit.c (gen_exp): Likewise.
4734         * local-alloc.c (equiv_init_varies_p): Likewise.
4735         (contains_replace_regs): Likewise.
4736         (memref_referenced_p): Likewise.
4737         * loop-invariant.c (check_maybe_invariant): Likewise.
4738         (hash_invariant_expr_1): Likewise.
4739         (invariant_expr_equal_p): Likewise.
4740         * postreload-gcse.c (oprs_unchanged_p): Likewise.
4741         * regclass.c (reg_scan_mark_refs): Likewise.
4742         * regrename.c (scan_rtx): Likewise.
4743         * resource.c (mark_referenced_resources): Likewise.
4744         (mark_set_resources): Likewise.
4745         * rtlanal.c (rtx_unstable_p): Likewise.
4746         (rtx_varies_p): Likewise.
4747         (count_occurrences): Likewise.
4748         (reg_mentioned_p): Likewise.
4749         (modified_between_p): Likewise.
4750         (modified_in_p): Likewise.
4751         (volatile_insn_p): Likewise.
4752         (volatile_refs_p): Likewise.
4753         (side_effects_p): Likewise.
4754         (may_trap_p_1): Likewise.
4755         (inequality_comparisons_p): Likewise.
4756         (computed_jump_p_1): Likewise.
4757         (commutative_operand_precedence): Likewise.
4758         * sched-deps.c (sched_analyze_2): Likewise.
4759         * sched-vis.c (print_value): Likewise.
4760         * reload.c (operands_match_p): Likewise.
4761         (subst_reg_equivs): Likewise.
4762         * reload1.c (eliminate_regs_1): Likewise.
4763         (elimination_effects): Likewise.
4764         (scan_paradoxical_subregs): Likewise.
4765         * alias.c (rtx_equal_for_memref_p): Likewise.
4766         * Makefile.in (RTL_BASE_H): Add fixed-value.h.
4767         * emit-rtl.c (const_fixed_htab): New hash table.
4768         (const_fixed_htab_hash, const_fixed_htab_eq, lookup_const_fixed):
4769         Declare.
4770         (const_fixed_htab_hash, const_fixed_htab_eq, lookup_const_fixed,
4771         const_fixed_from_fixed_value): New functions.
4772         (verify_rtx_sharing): Handle CONST_FIXED.
4773         (copy_rtx_if_shared_1): Likewise.
4774         (reset_used_flags): Likewise.
4775         (set_used_flags): Likewise.
4776         (copy_insn_1): Likewise.
4777         (init_emit_once): Create const_fixed_htab.
4778         Store fixed-point scalar and vector zero and one to const_tiny_rtx.
4779
4780 2007-08-22  Zdenek Dvorak  <ook@ucw.cz>
4781
4782         PR tree-optimization/32949
4783         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Test nowrap_type_p
4784         before failing for ivs with non-constant step.
4785
4786 2007-08-22  Hans-Peter Nilsson  <hp@axis.com>
4787
4788         * doc/md.texi (Iterators): Renamed from Macros.  All contents
4789         changed to reflect rename of respectively define_code_macro and
4790         define_mode_macro to define_code_iterator and define_mode_iterator.
4791         (Mode Iterators, Code Iterators): Similar.
4792         * read-rtl.c (struct iterator_group, struct iterator_traverse_data)
4793         (uses_mode_iterator_p, apply_mode_iterator, uses_code_iterator_p)
4794         (apply_iterator_to_string, uses_iterator_p, apply_iterator_traverse)
4795         (initialize_iterators, find_iterator, check_code_iterator)
4796         (map_attr_string, apply_mode_maps, apply_iterator_to_rtx, add_mapping)
4797         (read_mapping, read_rtx_1): Similar.
4798         * config/alpha/sync.md, config/alpha/alpha.md, config/frv/frv.md,
4799         config/s390/s390.md, config/m32c/blkmov.md, config/m32c/m32c.md,
4800         config/spu/spu.md, config/sparc/sparc.md, config/sparc/sync.md,
4801         config/i386/i386.md, config/i386/mmx.md, config/i386/sse.md,
4802         config/i386/sync.md, config/crx/crx.md, config/xtensa/xtensa.md,
4803         config/cris/cris.c, config/cris/cris.md, config/ia64/sync.md,
4804         config/ia64/div.md, config/ia64/vect.md, config/ia64/ia64.md,
4805         config/m68k/m68k.md, config/rs6000/spe.md, config/rs6000/altivec.md,
4806         config/rs6000/sync.md, config/rs6000/rs6000.md,
4807         config/arm/vec-common.md, config/arm/neon.md, config/arm/iwmmxt.md,
4808         config/arm/arm.md, config/mips/mips-dsp.md, config/mips/mips.md,
4809         config/vax/vax.md, config/bfin/bfin.md: Similar.
4810
4811 2007-08-22  David Daney  <ddaney@avtrex.com>
4812
4813         * doc/install.texi (Testing): Mention testing on a simulator.
4814
4815 2007-08-22  Janis Johnson  <janis187@us.ibm.com>
4816
4817         * config/dfp-bit.c (DFP_TO_DFP): Check for overflow.
4818
4819         * doc/libgcc.texi (Decimal float library routines): Fix formatting
4820         and rearrange floating point conversion functions into different
4821         categories.
4822
4823 2007-08-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
4824
4825         * target.h (struct gcc_target.sched: dfa_pre_advance_cycle,
4826         dfa_post_advance_cycle): New scheduler hooks.
4827         * target-def.h (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE,
4828         TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): New macros to initialize
4829         new hooks.
4830         (TARGET_SCHED): Use them.
4831         * doc/tm.texi (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE,
4832         TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Document new hooks.
4833         * haifa-sched.c (advance_one_cycle): Invoke new hooks.
4834
4835         * genautomata.c (insn_has_dfa_reservation_p): New DFA interface
4836         function to facilitate debugging.
4837         (INSN_HAS_DFA_RESERVATION_P_FUNC_NAME): New macro.
4838         (output_insn_has_dfa_reservation_p): New static function to output
4839         insn_has_dfa_reservation_p ().
4840         (write_automata): Use it.
4841         * genattr.c (main): Output declaration for
4842         insn_has_dfa_reservation_p ().
4843
4844 2007-08-22  Christian Bruel  <christian.bruel@st.com>   
4845             Richard Guenther <rguenther@suse.de>
4846         
4847         * fold-const.c (fold_binary): Optimize A-A if -ffinite-math-only.
4848         * simplify_rtx (simplify_binary_operation_1): Likewise.
4849                 
4850 2007-08-22  Rask Ingemann Lambertsen  <rask@sygehus.dk>
4851
4852         PR rtl-optimization/32557
4853         * df-problems.c (df_note_bb_compute): Use mws->start_regno instead
4854         of REGNO (mws->mw_reg).
4855
4856 2007-08-22  Richard Guenther  <rguenther@suse.de>
4857
4858         PR middle-end/33007
4859         * builtins.c (expand_builtin_int_roundingfn): Replace call
4860         argument wrapped with SAVE_EXPR directly.
4861         (expand_builtin_int_roundingfn_2): Likewise.
4862
4863 2007-08-22  Richard Guenther  <rguenther@suse.de>
4864
4865         * tree-inline.c (inlinable_function_p): Restore disregarding
4866         inline limits for GNU extern inline functions.
4867
4868 2007-08-22  Richard Guenther  <rguenther@suse.de>
4869
4870         PR middle-end/32563
4871         * tree.c (host_integerp): Treat sizetype as signed as it is
4872         sign-extended.
4873
4874 2007-08-21  Ian Lance Taylor  <iant@google.com>
4875
4876         PR tree-optimization/33134
4877         * tree-vrp.c (adjust_range_with_scev): Call
4878         set_value_range_to_value.
4879
4880 2007-08-21  Aldy Hernandez  <aldyh@redhat.com>
4881
4882         * value-prof.h (gimple_remove_histogram_value): Remove duplicate
4883         prototype.
4884         
4885 2007-08-21  Aldy Hernandez  <aldyh@redhat.com>
4886
4887         * tree-flow-inline.h (next_imm_use_stmt): Remove unecessary
4888         whitespace.
4889
4890 2007-08-21  Nathan Froyd  <froydnj@codesourcery.com>
4891
4892         * config/rs6000/rs6000.c (expand_block_clear): Add TARGET_SPE
4893         cases to set eight bytes at a time.
4894         (expand_block_move): Likewise.
4895         
4896 2007-08-21  Jakub Jelinek  <jakub@redhat.com>
4897
4898         PR debug/32610
4899         * dwarf2out.c (gen_decl_die): Don't call
4900         gen_tagged_type_instantiation_die if decl doesn't have tagged type.
4901
4902 2007-08-21  Paul Brook  <paul@codesourcery.com>
4903             Nathan Sidwell  <nathan@codesourcery.com>
4904             Mark Mitchell  <mark@codesourcery.com>
4905             Joseph Myers  <joseph@codesourcery.com>
4906
4907         * configure.ac: Add --with-pkgversion and --with-bugurl.
4908         * configure: Regenerate.
4909         * doc/install.texi: Document them.
4910         * version.c (version_string): Remove VERSUFFIX.
4911         (VERSUFFIX): Remove.
4912         (pkgversion_string): New.
4913         (bug_report_url): Do not hard-code initializer.
4914         * version.h (pkgversion_string): Declare.
4915         * Makefile.in (PKGVERSION_s, BUGURL_s, PKGVERSION, BUGURL_TEXI):
4916         Define.
4917         (version.o): Define PKGVERSION and BUGURL.
4918         (gcc-vers.texi): Define VERSION_PACKAGE and BUGURL.
4919         (%.pod): Define BUGURL.
4920         * gcc.c (process_command, main): Use pkgversion_string.
4921         * toplev.c (compile_file, print_version): Likewise.
4922         * protoize.c (main): Likewise.
4923         * gcov.c (print_version): Likewise.  Update copyright date.
4924         * gcov-dump.c (print_version): Likewise.  Update copyright date.
4925         * mips-tdump.c (main): Likewise.  Update copyright date.
4926         * mips-tfile.c (main): Likewise.  Update copyright date.
4927         * doc/include/gcc-common.texi: Include VERSION_PACKAGE as subtitle.
4928         * doc/bugreport.texi: Use BUGURL for bug-reporting instructions;
4929         shorten description.
4930         * doc/gcc.texi: Include VERSION_PACKAGE in version description.
4931         * doc/gccint.texi: Likewise.
4932         * doc/invoke.texi: Use BUGURL for bug-reporting instructions.
4933         Update copyright date.
4934
4935 2007-08-21  Uros Bizjak  <ubizjak@gmail.com>
4936
4937         * config/i386/i386.c (ix86_expand_clear): Use FLAGS_REG.
4938         (ix86_expand_strlensi_unroll_1): Ditto.
4939         (ix86_expand_branch): Use FLAGS_REG and FPSR_REG.
4940         (ix86_expand_carry_flag_compare): Update comment.
4941
4942 2007-08-21  Jakub Jelinek  <jakub@redhat.com>
4943
4944         PR middle-end/32912
4945         * fold-const.c (fold_unary): Optimize BIT_NOT_EXPR of VECTOR_CST.
4946         (fold_binary): Handle vectors in X | ~X and X ^ ~X optimizations.
4947
4948 2007-08-21  Richard Guenther  <rguenther@suse.de>
4949
4950         * fold-const.c (fold_binary): Revert removing of index +p PTR folding.
4951
4952 2007-08-21  Richard Guenther  <rguenther@suse.de>
4953
4954         PR middle-end/33122
4955         * fold-const.c (fold_binary): Remove index +p PTR folding.
4956         Fix types of POINTER_PLUS_EXPR generated by folding of
4957         (PTR +p B) +p A.
4958
4959 2007-08-20  Chao-ying Fu  <fu@mips.com>
4960
4961         * c-common.h (enum rid): Add new enumeration values of RID_SAT,
4962         RID_FRACT, and RID_ACCUM.  RID_SAT needs to be inserted before
4963         RID_ONEWAY, so that it can be checked in declspecs_add_type.
4964         (c_common_fixed_point_type_for_size): Declare.
4965         * c-parser.c (reswords): Add _Fract, _Accum, and _Sat.
4966         (c_token_starts_typename): Handle RID_FRACT, RID_ACCUM, and RID_SAT.
4967         (c_token_starts_declspecs): Likewise.
4968         (c_parser_declspecs): Likewise.
4969         (c_parser_attributes): Likewise.
4970         * c-tree.h (enum c_typespec_keyword): Add cts_fract and cts_accum.
4971         (c_declspecs): Add saturating_p.
4972         * c-decl.c (build_null_declspecs): Initialize saturating_p.
4973         (declspecs_add_type): Avoid using complex with _Fract, _Accum, or
4974         _Sat.  Handle RID_SAT.
4975         Avoid using void, bool, char, int, float, double, _Decimal32,
4976         _Decimal64, _Decimal128, and complex with _Sat.
4977         Handle RID_FRACT and RID_ACCUM.
4978         Make sure _Sat is used with _Fract or _Accum.
4979         (finish_declspecs): Handle cts_fract and cts_accum.
4980         * c-common.c (fixed-value.h): New include.
4981         (constant_expression_warning): Handle FIXED_CST.
4982         (overflow_warning): Likewise.
4983         (warnings_for_convert_and_check): Likewise.
4984         (c_common_fixed_point_type_for_size): New.
4985         (c_common_type_for_mode): Handle fixed-point modes to
4986         return various saturating/non-saturating, signed/unsigned types.
4987         (c_common_signed_or_unsigned_type): Support fixed-point types.
4988         (shorten_compare): Check fixed-point zero.
4989         Handle FIXED_POINT_TYPE.
4990         (c_common_truthvalue_conversion): Handle FIXED_CST.
4991         Handle FIXED_POINT_TYPE.
4992         (c_common_nodes_and_builtins): Record builtin types for fixed-point
4993         types.
4994         (handle_mode_attribute): Handle fixed-point modes.  Need to check
4995         if the signness of base type and fixed-point modes are consistent.
4996         (handle_vector_size_attribute): Handle fixed-point modes.
4997         (same_scalar_type_ignoring_signedness): Handle FIXED_POINT_TYPE.
4998         (warn_for_div_by_zero): Check fixed-point zero.
4999         * c-typeck.c (c_common_type): Check FIXED_POINT_TYPE.  Build
5000         a common fixed-point type based on fbit, ibit, sign, and saturation.
5001         (build_unary_op): Allow FIXED_POINT_TYPE for CONVERT_EXPR,
5002         NEGATE_EXPR, TRUTH_NOT_EXPR, PREINCREMENT_EXPR, POSTINCREMENT_EXPR,
5003         PREDECREMENT_EXPR, and POSTDECREMENT_EXPR.
5004         (convert_for_assignment): Support FIXED_POINT_TYPE.
5005         (digest_init): Handle FIXED_POINT_TYPE.
5006         (build_binary_op): Support FIXED_POINT_TYPE in *_DIV_EXPR,
5007         TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
5008         TRUTH_XOR_EXPR, RSHIFT_EXPR, LSHIFT_EXPR, EQ_EXPR, NE_EXPR, LE_EXPR,
5009         GE_EXPR, LT_EXPR, GT_EXPR.
5010         * target-def.h (TARGET_FIXED_POINT_SUPPORTED_P): New.
5011         (TARGET_INITIALIZER): Add TARGET_FIXED_POINT_SUPPORTED_P.
5012         * target.h (gcc_target): Add fixed_point_supported_p.
5013         * targhooks.c (default_scalar_mode_supported_p): Handle MODE_FRACT,
5014         MODE_UFRACT, MODE_ACCUM, and MODE_UACCUM.
5015         (default_fixed_point_supported_p): Define.
5016         * targhooks.h (default_fixed_point_supported_p): Declare.
5017         * doc/tm.texi (TARGET_FIXED_POINT_SUPPORTED_P): Add.
5018         * doc/install.texi (Configuration): Add --enable-fixed-point.
5019         * configure.ac (--enable-fixed-point): New to enable fixed-point
5020         arithmetic extension to C.  For mips targets, we enable it by default.
5021         * configure, config.in: Regenerate.
5022
5023 2007-08-20  Pawel Sikora  <pluto@pld-linux.org>
5024
5025         * doc/invoke.texi (-Wnon-virtual-dtor): Update documentation.
5026
5027 2007-08-20  David Edelsohn  <edelsohn@gnu.org>
5028
5029         * dwarf2out.c (text_section_used): Move declaration outside ifdef
5030         DWARF2_DEBUGGING_INFO.
5031         (cold_text_section_used): Same.
5032         (cold_text_section): Same.
5033
5034 2007-08-20  Richard Guenther  <rguenther@suse.de>
5035
5036         * c-typeck.c (convert_for_assignment): Use the type of
5037         the member for the initialization.
5038
5039 2007-08-20  Richard Guenther  <rguenther@suse.de>
5040
5041         * c-objc-common.c (c_disregard_inline_limits): Remove.
5042         * c-objc-common.h (c_disregard_inline_limits): Likewise.
5043         * cgraphunit.c (cgraph_process_new_functions): Call
5044         disregard_inline_limits_p.
5045         (cgraph_preserve_function_body_p): Likewise.
5046         * ipa-inline.c (compute_inline_parameters): Likewise.
5047         * langhooks-def.h (lhd_tree_inlining_disregard_inline_limits):
5048         Remove.
5049         (LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS): Remove.
5050         (LANG_HOOKS_TREE_INLINING_INITIALIZER): Remove initializer for
5051         disregard_inline_limits langhook.
5052         * langhooks.c (lhd_tree_inlining_disregard_inline_limits):
5053         Remove.
5054         * langhooks.h (lang_hooks_for_tree_inlining): Remove
5055         disregard_inline_limits langhook.
5056         * tree-inline.c (disregard_inline_limits_p): New function.
5057         * tree-inline.h (disregard_inline_limits_p): Declare.
5058
5059 2007-08-20  Richard Guenther  <rguenther@suse.de>
5060
5061         * langhooks-def.h (lhd_tree_inlining_auto_var_in_fn_p): Remove.
5062         (LANG_HOOKS_TREE_INLINING_AUTO_VAR_IN_FN_P): Likewise.
5063         (LANG_HOOKS_TREE_INLINING_INITIALIZER): Remove initializer for
5064         auto_var_in_fn_p langhook.
5065         * langhooks.c (lhd_tree_inlining_auto_var_in_fn_p): Rename and
5066         move ...
5067         * tree.c (auto_var_in_fn_p): ... here.
5068         (find_var_from_fn): Call auto_var_in_fn_p directly.
5069         * langhooks.h (lang_hooks_for_tree_inlining): Remove
5070         auto_var_in_fn_p langhook.
5071         * tree-inline.c (remap_decls): Call auto_var_in_fn_p directly.
5072         (copy_body_r): Likewise.
5073         (self_inlining_addr_expr): Likewise.
5074         * tree.h (auto_var_in_fn_p): Declare.
5075
5076 2007-08-20  Richard Guenther  <rguenther@suse.de>
5077
5078         * tree.c (WALK_SUBTREE): Call walk_tree_1.
5079         (walk_type_fields): Take lh parameter.
5080         (walk_tree): Rename to ...
5081         (walk_tree_1): ... this.  Do not call the walk_subtrees
5082         langhook but the now passed callback.  Pass lh on recursion.
5083         (walk_tree_without_duplicates): Rename to ...
5084         (walk_tree_without_duplicates_1): ... this.  Take lh parameter
5085         and call walk_tree_1.
5086         * tree.h (walk_tree_lh): New typedef.
5087         (walk_tree_1): Declare.
5088         (walk_tree_without_duplicates_1): Likewise.
5089         (walk_tree): New define to walk_tree_1 with NULL lh parameter.
5090         (walk_tree_without_duplicates): New define to
5091         walk_tree_without_duplicates_1 with NULL lh parameter.
5092         * langhooks.c (lhd_tree_inlining_walk_subtrees): Remove.
5093         * langhooks.h (lang_hooks_for_tree_inlining): Remove walk_subtrees
5094         langhook.
5095         * langhooks-def.h (lhd_tree_inlining_walk_subtrees): Remove.
5096         (LANG_HOOKS_TREE_INLINING_WALK_SUBTREES): Likewise.
5097         (LANG_HOOKS_TREE_INLINING_INITIALIZER): Remove walk_subtrees
5098         initializer.
5099
5100 2007-08-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5101
5102         PR middle-end/30564
5103         * tree-inline.c (optimize_inline_calls): Move the cgraph checking
5104         code in front of the compacting of basic blocks.
5105         Move the folding of statements inbetween the cgraph checking
5106         and compacting of basic blocks.
5107
5108 2007-08-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5109            Serge Belyshev  <belyshev@depni.sinp.msu.ru>
5110
5111         PR target/32522
5112         * config/alpha/alpha.c (va_list_skip_additions): Check for
5113         POINTER_PLUS_EXPR in addition to PLUS_EXPR.
5114         (alpha_stdarg_optimize_hook): Look for POINTER_PLUS_EXPR instead of
5115         PLUS_EXPR when checking ap.__base.
5116         (alpha_va_start): Create POINTER_PLUS_EXPR instead of PLUS_EXPR
5117         when doing addition on pointer types.  Use size_int instead of
5118         build_int_cst.
5119         (alpha_gimplify_va_arg_1): Likewise, but use sizetype instead of
5120         ptr_type in the second operand.
5121
5122 2007-08-19  Andrew Pinski  <pinskia@gmail.com>
5123
5124         PR target/33115
5125         * config/i386/darwin.h (CC1_SPEC): Add %(cc1_cpu) in front.
5126
5127 2007-08-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5128
5129         PR middle-end/32940
5130         * cfgexpand.c  (expand_one_register_var): Mark pointer
5131         DECL_ARTIFICIAL as REG_POINTER also.
5132         * stmt.c (expand_decl): Likewise.
5133
5134 2007-08-19  Daniel Berlin  <dberlin@dberlin.org>
5135
5136         Fix PR 32772
5137         Fix PR 32716
5138         Fix PR 32328
5139         Fix PR 32303
5140
5141         * tree-flow.h (struct stmt_ann_d): Remove makes_clobbering_call.
5142         * tree-ssa-alias.c (init_transitive_clobber_worklist): Add
5143         on_worklist argument and avoid adding things to worklist multiple
5144         times.
5145         (add_to_worklist): Ditto.
5146         (mark_aliases_call_clobbered): Mark entire structure clobbered if
5147         single SFT is clobbered.
5148         (set_initial_properties): Ditto.
5149         (compute_call_clobbered): Update for changes to function
5150         arguments.
5151         (create_overlap_variables_for): Always create SFT for offset 0.
5152         (create_structure_vars): Handle PHI's, since we are in SSA form at
5153         this point.
5154         * tree-ssa-loop-ivopts.c (get_ref_tag): Don't return subvars.
5155         * tree-ssa-operands.c (access_can_touch_variable): Don't handle
5156         TARGET_MEM_REF.
5157         (add_vars_for_offset): Figure out aliases from access + points-to.
5158         (add_virtual_operand): Use add_vars-for_offset.
5159         (get_tmr_operands): Update for NMT changes, rewrite to be correct.
5160         (add_call_clobber_ops): Remove makes_clobbering_call set.
5161         (get_expr_operands): Always pass through the INDIRECT_REF
5162         reference.
5163         * tree-ssa-structalias.c (struct constraint_graph): Remove
5164         variables member.
5165         Add pe, pe_rep, pointer_label, loc_label, pointed_by, points_to,
5166         address_taken, pt_used, number_incoming.
5167         (FIRST_ADDR_NODE): Removed.
5168         (merge_graph_nodes): Remove broken code for the moment.
5169         (init_graph): New function.
5170         (build_pred_graph): Remove code to init_graph.
5171         Add location equivalence support.
5172         (struct scc_info): Rename roots to deleted.
5173         (scc_visit): Ditto.
5174         (init_scc_info): Ditto
5175         (init_topo_info): Use graph->size.
5176         (compute_topo_order): Ditto.
5177         (do_da_constraint): Removed.
5178         (do_sd_constraint): Remove calls to find().
5179         set_union_with_increment should always get 0 as last arg here.
5180         (do_complex_constraint): Replace do_da_constraint with assert.
5181         Stop calling find.
5182         (struct equiv_class_label): New.
5183         (pointer_equiv_class_table): Ditto.
5184         (location_equiv_class_table): Ditto.
5185         (equiv_class_label_hash): Ditto.
5186         (equiv_class_label_eq): Ditto
5187         (equiv_class_lookup): Ditto.
5188         (equiv_class_ladd): Ditto.
5189         (pointer_equiv_class): Ditto.
5190         (location_equiv_class): Ditto.
5191         (condense_visit): Rename and rewrite from label_visit to do only
5192         SCC related stuff for HU.
5193         (label_visit): Do HU work for HU.
5194         (perform_var_substitution): Update to do HU and location
5195         equivalence.
5196         (free_var_substitution_info): Update to free HU and location
5197         equivalence structures.  */
5198         (find_equivalent_node): Update for pointer but not location
5199         equivalence.
5200         (unite_pointer_equivalences): New function.
5201         (move_complex_constraints): Rewrite to only do moving.
5202         (rewrite_constraints): Split out of move_complex_constraints.
5203         (solve_graph): Use graph->size.
5204         (process_constraint_1): Add from_call argument, use it.
5205         Split *a = &b into two constraints.
5206         (process_constraint): Use new process_constraint_1.
5207         (get_constraint_for_component_ref): Handle bitmaxsize == -1 case.
5208         (get_constraint_for): Handle non-pointer integers properly.
5209         Remove code that used to handle structures.
5210         (handle_ptr_arith): Fix a few bugs in pointer arithmetic handling
5211         with unknown addends.
5212         (handle_rhs_call): New function.
5213         (find_func_aliases): Use handle_rhs_call.
5214         (set_uids_in_ptset): Add an assert.
5215         (set_used_smts): Fix bug in not considering unified vars.
5216         (compute_tbaa_pruning): Stop initing useless iteration_obstack.
5217         (compute_points_to_sets): Update for other function changes.
5218         (delete_points_to_sets): Ditto.
5219         (ipa_pta_execute): Ditto.
5220         (pass_ipa_pta): We need to update SSA after ipa_pta.
5221         
5222 2007-08-19  Jan Hubicka  <jh@suse.cz>
5223
5224         * i386.md: Replace "rim" and "mri" constraints by "g".
5225
5226 2007-08-19  Joseph Myers  <joseph@codesourcery.com>
5227
5228         * dwarf2out.c (text_section_used, cold_text_section_used,
5229         cold_text_section, dwarf2out_note_section_used): New.
5230         (dwarf2out_init): Initialize cold_text_section.
5231         (dwarf2out_switch_text_section, dwarf2out_begin_function): Call
5232         dwarf2out_note_section_used.
5233         (size_of_aranges): Only count entry for text section if it was
5234         used.  Count entry for cold text section if it was used.
5235         (output_aranges): Only output entries for text section and cold
5236         text section if they were used.
5237
5238 2007-08-19  Andrew Pinski  <pinskia@gmail.com>
5239
5240         * tree-pretty-print.c (debug_generic_expr): Add a comment about
5241         the function.
5242         (debug_generic_stmt): Likewise.
5243         (debug_tree_chain): Likewise.
5244
5245 2007-08-19  Dorit Nuzman  <dorit@il.ibm.com>
5246
5247         * tree-data-refs.c (split_constant_offset): Expose.
5248         * tree-data-refs.h (split_constant_offset): Add declaration.
5249
5250         * tree-vectorizer.h (dr_alignment_support): Renamed
5251         dr_unaligned_software_pipeline to dr_explicit_realign_optimized.
5252         Added a new value dr_explicit_realign.
5253         (_stmt_vec_info): Added new fields: dr_base_address, dr_init,
5254         dr_offset, dr_step, and dr_aligned_to, along with new access
5255         functions for these fields: STMT_VINFO_DR_BASE_ADDRESS,
5256         STMT_VINFO_DR_INIT, STMT_VINFO_DR_OFFSET, STMT_VINFO_DR_STEP, and
5257         STMT_VINFO_DR_ALIGNED_TO.
5258
5259         * tree-vectorizer.c (vect_supportable_dr_alignment): Add
5260         documentation.
5261         In case of outer-loop vectorization with non-fixed misalignment - use
5262         the dr_explicit_realign scheme instead of the optimized realignment
5263         scheme.
5264         (new_stmt_vec_info): Initialize new fields.
5265
5266         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Handle the
5267         'nested_in_vect_loop' case. Change verbosity level.
5268         (vect_analyze_data_ref_access): Handle the 'nested_in_vect_loop' case.
5269         Don't fail on zero step in the outer-loop for loads.
5270         (vect_analyze_data_refs): Call split_constant_offset to calculate
5271         base, offset and init relative to the outer-loop.
5272
5273         * tree-vect-transform.c (vect_create_data_ref_ptr): Replace the unused
5274         BSI function argument with a new function argument - at_loop.
5275         Simplify the condition that determines STEP. Takes additional argument
5276         INV_P. Support outer-loop vectorization (handle the
5277         nested_in_vect_loop case), including zero step in the outer-loop. Call
5278         vect_create_addr_base_for_vector_ref with additional argument.
5279         (vect_create_addr_base_for_vector_ref): Takes additional argument LOOP.
5280         Updated function documentation. Handle the 'nested_in_vect_loop' case.
5281         Fixed and simplified calculation of step.
5282         (vectorizable_store): Call vect_create_data_ref_ptr with loop instead
5283         of bsi, and with additional argument. Call bump_vector_ptr with
5284         additional argument. Fix typos. Handle the 'nested_in_vect_loop' case.
5285         (vect_setup_realignment): Takes additional arguments INIT_ADDR and
5286         DR_ALIGNMENT_SUPPORT. Returns another value AT_LOOP. Handle the case
5287         when the realignment setup needs to take place inside the loop.
5288         Support the dr_explicit_realign scheme. Allow generating the optimized
5289         realignment scheme for outer-loop vectorization. Added documentation.
5290         (vectorizable_load): Support the dr_explicit_realign scheme. Handle
5291         the 'nested_in_vect_loop' case, including loads that are invariant in
5292         the outer-loop and the realignment schemes. Handle the case when the
5293         realignment setup needs to take place inside the loop. Call
5294         vect_setup_realignment with additional arguments.  Call
5295         vect_create_data_ref_ptr with additional argument and with loop instead
5296         of bsi. Fix 80-column overflow. Fix typos. Rename PHI_STMT to PHI.
5297         (vect_gen_niters_for_prolog_loop): Call
5298         vect_create_addr_base_for_vector_ref with additional arguments.
5299         (vect_create_cond_for_align_checks): Likewise.
5300         (bump_vector_ptr): Updated to support the new dr_explicit_realign
5301         scheme: takes additional argument bump; argument ptr_incr is now
5302         optional; updated documentation.
5303         (vect_init_vector): Takes additional argument (bsi). Use it, if
5304         available, to insert the vector initialization.
5305         (get_initial_def_for_induction): Pass additional argument in call to
5306         vect_init_vector.
5307         (vect_get_vec_def_for_operand): Likewise.
5308         (vect_setup_realignment): Likewise.
5309         (vectorizable_load): Likewise.
5310
5311 2007-08-19  Dorit Nuzman  <dorit@il.ibm.com>
5312
5313         * tree-vectorizer.h (vect_is_simple_reduction): Takes a loop_vec_info
5314         as argument instead of struct loop.
5315         (nested_in_vect_loop_p): New function.
5316         (vect_relevant): Add enum values vect_used_in_outer_by_reduction and
5317         vect_used_in_outer.
5318         (is_loop_header_bb_p): New. Used to differentiate loop-header phis
5319         from other phis in the loop.
5320         (destroy_loop_vec_info): Add additional argument to declaration.
5321
5322         * tree-vectorizer.c (supportable_widening_operation): Also check if
5323         nested_in_vect_loop_p (don't allow changing the order in this case).
5324         (vect_is_simple_reduction): Takes a loop_vec_info as argument instead
5325         of struct loop. Call nested_in_vect_loop_p and don't require
5326         flag_unsafe_math_optimizations if it returns true.
5327         (new_stmt_vec_info): When setting def_type for phis differentiate 
5328         loop-header phis from other phis.
5329         (bb_in_loop_p): New function.
5330         (new_loop_vec_info): Inner-loop phis already have a stmt_vinfo, so
5331         just update their loop_vinfo.  Order of BB traversal now matters -
5332         call dfs_enumerate_from with bb_in_loop_p.
5333         (destroy_loop_vec_info): Takes additional argument to control whether
5334         stmt_vinfo of the loop stmts should be destroyed as well.
5335         (vect_is_simple_reduction): Allow the "non-reduction" use of a
5336         reduction stmt to be defines by a non loop-header phi.
5337         (vectorize_loops): Call destroy_loop_vec_info with additional argument.
5338
5339         * tree-vect-transform.c (vectorizable_reduction): Call
5340         nested_in_vect_loop_p. Check for multitypes in the inner-loop.
5341         (vectorizable_call): Likewise.
5342         (vectorizable_conversion): Likewise.
5343         (vectorizable_operation): Likewise.
5344         (vectorizable_type_promotion): Likewise.
5345         (vectorizable_type_demotion): Likewise.
5346         (vectorizable_store): Likewise.
5347         (vectorizable_live_operation): Likewise.
5348         (vectorizable_reduction): Likewise. Also pass loop_info to
5349         vect_is_simple_reduction instead of loop.
5350         (vect_init_vector): Call nested_in_vect_loop_p.
5351         (get_initial_def_for_reduction): Likewise.
5352         (vect_create_epilog_for_reduction): Likewise.
5353         (vect_init_vector): Check which loop to work with, in case there's an
5354         inner-loop.
5355         (get_initial_def_for_inducion): Extend to handle outer-loop
5356         vectorization. Fix indentation.
5357         (vect_get_vec_def_for_operand): Support phis in the case vect_loop_def.
5358         In the case vect_induction_def get the vector def from the induction
5359         phi node, instead of calling get_initial_def_for_inducion.
5360         (get_initial_def_for_reduction): Extend to handle outer-loop 
5361         vectorization.
5362         (vect_create_epilog_for_reduction): Extend to handle outer-loop
5363         vectorization.
5364         (vect_transform_loop): Change assert to just skip this case.  Add a
5365         dump printout.
5366         (vect_finish_stmt_generation): Add a couple asserts.
5367
5368         (vect_estimate_min_profitable_iters): Multiply
5369         cost of inner-loop stmts (in outer-loop vectorization) by estimated
5370         inner-loop bound.
5371         (vect_model_reduction_cost): Don't add reduction epilogue cost in case
5372         this is an inner-loop reduction in outer-loop vectorization.
5373
5374         * tree-vect-analyze.c (vect_analyze_scalar_cycles_1): New function.
5375         Same code as what used to be vect_analyze_scalar_cycles, only with
5376         additional argument loop, and loop_info passed to
5377         vect_is_simple_reduction instead of loop.
5378         (vect_analyze_scalar_cycles): Code factored out into
5379         vect_analyze_scalar_cycles_1. Call it for each relevant loop-nest.
5380         Updated documentation.
5381         (analyze_operations): Check for inner-loop loop-closed exit-phis during
5382         outer-loop vectorization that are live or not used in the outerloop,
5383         cause this requires special handling.
5384         (vect_enhance_data_refs_alignment): Don't consider versioning for
5385         nested-loops.
5386         (vect_analyze_data_refs): Check that there are no datarefs in the
5387         inner-loop.
5388         (vect_mark_stmts_to_be_vectorized): Also consider vect_used_in_outer
5389         and vect_used_in_outer_by_reduction cases.
5390         (process_use): Also consider the case of outer-loop stmt defining an
5391         inner-loop stmt and vice versa.
5392         (vect_analyze_loop_1): New function.
5393         (vect_analyze_loop_form): Extend, to allow a restricted form of nested
5394         loops.  Call vect_analyze_loop_1.
5395         (vect_analyze_loop): Skip (inner-)loops within outer-loops that have
5396         been vectorized.  Call destroy_loop_vec_info with additional argument.
5397
5398         * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Don't allow
5399         in the inner-loop when doing outer-loop vectorization. Add
5400         documentation and printout.
5401         (vect_recog_dot_prod_pattern): Likewise. Also add check for
5402         GIMPLE_MODIFY_STMT (in case we encounter a phi in the loop).
5403
5404 2007-08-18  Andrew Pinski  <pinskia@gmail.com>
5405
5406         * tree-affine.h (print_aff): New prototype.
5407         (debug_aff): Likewise.
5408         * tree-affine.c (print_aff): New function.
5409         (debug_aff): Likewise.
5410
5411 2007-08-18  Paul Brook  <paul@codesourcery.com>
5412             Joseph Myers  <joseph@codesourcery.com>
5413
5414         * common.opt (-fdebug-prefix-map=): New option.
5415         * opts.c: Include debug.h.
5416         (common_handle_option): Handle -fdebug-prefix-map.
5417         * final.c: Include ggc.h.
5418         (struct debug_prefix_map, debug_prefix_maps, add_debug_prefix_map,
5419         remap_debug_filename): New.
5420         * Makefile.in (final.o, opts.o): Update dependencies.
5421         * debug.h (remap_debug_filename, add_debug_prefix_map): Declare.
5422         * configure.ac: Check for assembler --debug-prefix-map support.
5423         * configure, config.in: Regenerate.
5424         * gcc.c (ASM_MAP): Define conditional on HAVE_AS_DEBUG_PREFIX_MAP.
5425         (ASM_DEBUG_SPEC): Include ASM_MAP.
5426         * doc/install.texi (--with-debug-prefix-map): Document.
5427         * doc/invoke.texi (-fdebug-prefix-map): Document.
5428         * dbxout.c (dbxout_init, dbxout_start_source_file,
5429         dbxout_source_file): Call remap_debug_filename.
5430         * dwarf2out.c (add_comp_dir_attribute, maybe_emit_file,
5431         dwarf2out_start_source_file, dwarf2out_finish): Call
5432         remap_debug_filename.
5433         (file_table_relative_p): Do not check d->emitted_number.
5434         * toplev.c (output_file_directive): Call remap_debug_filename.
5435         * vmsdbgout.c (write_srccorr): Call remap_debug_filename.
5436         * xcoffout.c (xcoffout_source_file): Call remap_debug_filename.
5437
5438 2007-08-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5439
5440         * loop-invariant.c (find_invariants_to_move): Add missing macro
5441         argument.
5442
5443 2007-08-17  Tom Tromey  <tromey@redhat.com>
5444
5445         * tree.h (struct tree_label_decl): Removed old "java" fields.
5446
5447 2007-08-17  Richard Sandiford  <richard@codesourcery.com>
5448             Nigel Stephens  <nigel@mips.com>
5449
5450         * config/mips/sde.h (DRIVER_SELF_SPECS): Add commas.
5451         Treat -mno-data-in-code and -mcode-xonly as aliases for
5452         -mcode-readable=no and -mcode-readable=pcrel respectively.
5453         * config/mips/t-sde (TARGET_LIBGCC2_CFLAGS): Add -mcode-xonly.
5454         (MULTILIB_OPTIONS): Add -mcode-readable=no multilibs.
5455         (MULTILIB_DIRNAMES): Update accordingly.
5456
5457 2007-08-17  H.J. Lu  <hongjiu.lu@intel.com>
5458
5459         * Makefile.in (version.o): Depend on $(REVISION) only if
5460         REVISION_s is defined.
5461
5462 2007-08-17  Sa Liu  <saliu@de.ibm.com>
5463             Ulrich Weigand  <uweigand@de.ibm.com>
5464
5465         PR middle-end/32970
5466         * tree.c (reconstruct_complex_type): For a pointer to a vector,
5467         use build_qualified_type to retain qualifiers of the base type.
5468
5469 2007-08-17  Chen Liqin  <liqin@sunnorth.com.cn>
5470
5471         * config/score/score.md : Update pattern tablejump.
5472         * config/score/score.c : Update score_initialize_trampoline 
5473         function.
5474         * config/score/score.h (TRAMPOLINE_TEMPLATE): Added macro.
5475         (TRAMPOLINE_INSNS, TRAMPOLINE_SIZE) Update macro.
5476         * doc/contrib.texi: Add my entry.
5477
5478 2007-08-16  H.J. Lu  <hongjiu.lu@intel.com>
5479
5480         * Makefile.in (REVISION): New.
5481         (REVISION_c): New.
5482         (REVISION_s): New.
5483         (version.o): Also depend on $(REVISION). Add
5484         -DREVISION=$(REVISION_s).
5485
5486         * version.c (version_string): Add REVISION.
5487
5488 2007-08-16  Seongbae Park <seongbae.park@gmail.com>
5489
5490         * tree-eh.c (lower_try_finally_onedest): Reset the locus
5491         of GOTO that's relocated to a different block.
5492
5493 2007-08-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5494
5495         * c-common.c (const_strip_array_types): New.
5496         * c-common.h (lang_missing_noreturn_ok_p): Delete.
5497         (const_strip_array_types): New.
5498         * c-objc-common.c (c_disregard_inline_limits,
5499         c_warn_unused_global_decl): Constify.
5500         * c-tree.h (c_disregard_inline_limits, c_warn_unused_global_decl,
5501         c_vla_type_p, c_incomplete_type_error): Likewise.
5502         * c-typeck.c (c_incomplete_type_error, c_vla_type_p): Likewise.
5503         * hooks.c (hook_bool_const_tree_false): New.
5504         * hooks.h (hook_bool_const_tree_false): Likewise.
5505         * langhooks-def.h (lhd_warn_unused_global_decl,
5506         lhd_incomplete_type_error, lhd_expr_size,
5507         lhd_tree_inlining_disregard_inline_limits,
5508         lhd_tree_inlining_auto_var_in_fn_p, lhd_tree_dump_type_quals,
5509         LANG_HOOKS_GENERIC_TYPE_P, LANG_HOOKS_TYPE_MAX_SIZE): Constify.
5510         * langhooks.c (lhd_warn_unused_global_decl,
5511         lhd_incomplete_type_error,
5512         lhd_tree_inlining_disregard_inline_limits,
5513         lhd_tree_inlining_auto_var_in_fn_p, lhd_tree_dump_type_quals,
5514         lhd_expr_size): Likewise.
5515         * langhooks.h (lang_hooks_for_tree_inlining,
5516         lang_hooks_for_tree_dump, lang_hooks_for_types,
5517         lang_hooks_for_decls, lang_hooks): Likewise.
5518         * pointer-set.c (pointer_set_t, pointer_set_create,
5519         pointer_set_contains, insert_aux, pointer_set_insert,
5520         pointer_set_traverse, pointer_map_t, pointer_map_create,
5521         pointer_map_contains, pointer_map_insert, pointer_map_traverse):
5522         Likewise.
5523         * pointer-set.h (pointer_set_contains, pointer_set_insert,
5524         pointer_set_traverse, pointer_map_contains, pointer_map_insert,
5525         pointer_map_traverse): Likewise.
5526         * predict.c (assert_is_empty): Likewise.
5527         * tree-affine.c (free_name_expansion): Likewise.
5528         * tree-cfg.c (edge_to_cases_cleanup): Likewise.
5529         * tree.c (size_in_bytes, max_int_size_in_bytes): Likewise.
5530         * tree.h (size_in_bytes, max_int_size_in_bytes): Likewise.
5531
5532 2007-08-16  Victor Kaplansky <victork@il.ibm.com>
5533
5534         * tree-vectorizer.c (new_loop_vec_info): Initialize new 
5535         field.
5536         (destroy_loop_vec_info): Add call to VEC_free.
5537         * tree-vectorizer.h (may_alias_ddrs): Define.
5538         (LOOP_VINFO_MAY_ALIAS_DDRS): Define.
5539         * tree-vect-analyze.c (vect_analyze_data_ref_dependence):
5540         Change reporting to dump.
5541         (vect_is_duplicate_ddr): New.
5542         (vect_mark_for_runtime_alias_test): New.
5543         (vect_analyze_data_ref_dependences) Add call to
5544         vect_mark_for_runtime_alias_test.
5545         (vect_enhance_data_refs_alignment): Define local variable
5546         vect_versioning_for_alias_required, don't perform
5547         peeling for alignment if versioning for alias is
5548         required.
5549         (vect_enhance_data_refs_alignment): Use
5550         PARAM_VECT_MAX_VERSION_FOR_ALIGNMENT_CHECKS instead of
5551         PARAM_VECT_MAX_VERSION_CHECKS.
5552         * tree-vect-transform.c
5553         (vect_create_cond_for_alias_checks): New.
5554         (vect_transform_loop): Add call to
5555         vect_create_cond_for_alias_checks.
5556         (vect_vfa_segment_size): New.
5557         * params.def (PARAM_VECT_MAX_VERSION_FOR_ALIGNMENT_CHECKS):
5558         Rename.
5559         (PARAM_VECT_MAX_VERSION_FOR_ALIAS_CHECKS): Define.
5560         * gcc/doc/invoke.texi
5561         (vect-max-version-for-alignment-checks): Document.
5562         (vect-max-version-for-alias-checks): Document.
5563         (vect-max-version-checks): Remove.
5564      
5565 2007-08-16  Uros Bizjak  <ubizjak@gmail.com>
5566
5567         * config/i386/i386.md (*rep_movdi_rex64): Emit "rep" prefix on
5568         the same line as the instruction for all asm dialects.
5569         (*rep_movsi): Ditto.
5570         (*rep_movsi_rex64): Ditto.
5571         (*rep_movqi): Ditto.
5572         (*rep_movqi_rex64): Ditto.
5573         (*rep_stosdi_rex64): Ditto.
5574         (*rep_stossi): Ditto.
5575         (*rep_stossi_rex64): Ditto.
5576         (*rep_stosqi): Ditto.
5577         (*rep_stosqi_rex64): Ditto.
5578         (*cmpstrnqi_nz_1): Ditto.
5579         (*cmpstrnqi_nz_rex_1): Ditto.
5580         (*cmpstrnqi_1): Ditto.
5581         (*cmpstrnqi_rex_1): Ditto.
5582         (*strlenqi_1): Ditto.
5583         (*strlenqi_rex_1): Ditto.
5584         * config/i386/sync.md (*sync_compare_and_swap<mode>): Emit "lock"
5585         prefix on the same line as the instruction for all asm dialects.
5586         (sync_double_compare_and_swap<mode>): Ditto.
5587         (*sync_double_compare_and_swapdi_pic): Ditto.
5588         (*sync_compare_and_swap_cc<mode>): Ditto.
5589         (sync_double_compare_and_swap_cc<mode>): Ditto.
5590         (*sync_double_compare_and_swap_ccdi_pic): Ditto.
5591         (sync_old_add<mode>): Ditto.
5592         (sync_add<mode>): Ditto.
5593         (sync_sub<mode>): Ditto.
5594         (sync_ior<mode>): Ditto.
5595         (sync_and<mode>): Ditto.
5596         (sync_xor<mode>): Ditto.
5597
5598 2007-08-16  Richard Sandiford  <richard@codesourcery.com>
5599
5600         PR middle-end/32897
5601         * reload.c (find_reloads): Check that the memory returned by
5602         find_reloads_toplev was not the result of forcing a constant
5603         to memory.
5604         (find_reloads_toplev): Always use simplify_gen_subreg to get
5605         the subreg of a constant.  If the result is also a constant,
5606         but not a legitimate one, force it into the constant pool
5607         and reload its address.
5608
5609 2007-08-15  David Edelsohn  <edelsohn@gnu.org>
5610
5611         * config/rs6000/rs6000.c (rs6000_rtx_costs): Add CLZ, CTZ, and
5612         POPCOUNT.
5613
5614 2007-08-15  Daniel Jacobowitz  <dan@codesourcery.com>
5615
5616         * config/rs6000/rs6000.c (rs6000_file_start): Output a .gnu_attribute
5617         directive for the current vector ABI.
5618
5619 2007-08-15  Steve Ellcey  <sje@cup.hp.com>
5620
5621         PR target/32963
5622         * caller-save.c (reg_save_code): Set invalide status on restore code.
5623         
5624 2007-08-15  Diego Novillo  <dnovillo@google.com>
5625
5626         * tree-ssa-alias.c (compute_memory_partitions): Use
5627         alias_bitmap_obstack to allocate bitmaps.
5628         (reset_alias_info): Factor out of init_alias_info.
5629         Mark all name tags not associated to an SSA name for renaming.
5630         (init_alias_info): Call it.
5631         (create_name_tags): Tidy.  Add comments.
5632         (dump_points_to_info_for): Do not call get_mem_sym_stats_for.
5633
5634 2007-08-15  Maxim Kuvyrkov  <maxim@codesourcery.com>
5635
5636         * config/mips/mips.c (vr4130_swap_insns_p): Use new interface to
5637         scheduler dependencies.
5638
5639 2007-08-15  Rask Ingemann Lambertsen  <rask@sygehus.dk>
5640
5641         * config/i386/i386.md (subsi3_carry_zext): Remove "m" constraint for
5642         "register_operand".
5643         (*iorsi_1_zext): Likewise.
5644         (*iorsi_1_zext_imm): Likewise.
5645         * config/i386/sse.md: (*sse4_1_extractps): Use "nonimmediate_operand"
5646         with "rm"/"xm" constraint.
5647         (sse2_vmsqrtv2df2): Likewise.
5648
5649 2007-08-15  Jakub Jelinek  <jakub@redhat.com>
5650
5651         PR middle-end/33074
5652         * emit-rtl.c (try_split): Use INSN_LIST instead of EXPR_LIST for
5653         REG_LIBCALL note.
5654
5655 2007-08-14  Daniel Berlin  <dberlin@dberlin.org>
5656
5657         * tree-pass.h (PROP_pta): Removed.
5658         (TODO_rebuild_alias): New.
5659         (pass_may_alias): Removed.
5660         * tree-ssa-ccp.c (execute_fold_all_builtins): Only rebuild
5661         aliasing if we changed something.
5662         * tree-ssa-alias.c (compute_may_aliases): Make non-static.  Update
5663         SSA internally.
5664         (pass_may_alias): Removed.
5665         (create_structure_vars): Return TODO_rebuild_alias.
5666         * tree-ssa-pre.c (do_pre): Return TODO_rebuild_alias.
5667         * tree-sra.c (tree_sra): Only rebuild aliasing if something
5668         changed.
5669         (tree_sra_early): We never affect aliasing right now.
5670         * tree-flow.h (compute_may_aliases): New prototype.
5671         * passes.c: Remove pass_may_alias from the passes.
5672         (execute_function_todo): Support TODO_rebuild_alias.    
5673
5674 2007-08-14  Kai Tietz  <kai.tietz@onevision.com>
5675
5676         * i386.c: (legitimize_address): Move dllimported variable check
5677         infront of legitimizing pic address of CONST symbols.
5678
5679 2007-08-14  Steve Ellcey  <sje@cup.hp.com>
5680
5681         PR tree-optimization/32941
5682         * tree-eh.c (struct leh_tf_state): Add goto_queue_map field.
5683         (goto_queue_cmp): Remove.
5684         (find_goto_replacement): Change search method.
5685         (maybe_record_in_goto_queue): Add assert.
5686         (lower_try_finally): Remove qsort call, add pointer_map_destroy call.
5687         * Makefile.in (tree-eh.o): Add pointer-set.h dependency.
5688
5689 2007-08-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5690
5691         * alias.c (component_uses_parent_alias_set): Constify.
5692         * alias.h (component_uses_parent_alias_set): Likewise.
5693         * cfgrtl.c (print_rtl_with_bb): Likewise.
5694         * double-int.c (tree_to_double_int, double_int_fits_to_tree_p,
5695         mpz_get_double_int): Likewise.
5696         * double-int.h (double_int_fits_to_tree_p, tree_to_double_int,
5697         mpz_get_double_int): Likewise.
5698         * expr.c (is_aligning_offset, undefined_operand_subword_p,
5699         mostly_zeros_p, all_zeros_p, safe_from_p, is_aligning_offset):
5700         Likewise.
5701         * expr.h (safe_from_p): Likewise.
5702         * gimple-low.c (try_catch_may_fallthru, block_may_fallthru):
5703         Likewise.
5704         * gimplify.c (should_carry_locus_p, zero_sized_field_decl,
5705         zero_sized_type, goa_lhs_expr_p): Likewise.
5706         * omp-low.c (is_variable_sized, use_pointer_for_field): Likewise.
5707         * rtl.h (print_rtl_with_bb): Likewise.
5708         * sched-vis.c (print_exp, print_value, print_pattern): Likewise.
5709         * tree-cfg.c (const_first_stmt, const_last_stmt): New.
5710         * tree-flow-inline.h (bb_stmt_list): Constify.
5711         (cbsi_start, cbsi_last, cbsi_end_p, cbsi_next, cbsi_prev,
5712         cbsi_stmt): New.
5713         * tree-flow.h (const_block_stmt_iterator, cbsi_start, cbsi_last,
5714         const_first_stmt, const_last_stmt): New.
5715         (block_may_fallthru, empty_block_p): Constify.
5716         * tree-iterator.c (EXPR_FIRST_BODY, EXPR_LAST_BODY,
5717         EXPR_ONLY_BODY): New.
5718         (expr_first, expr_last, expr_only): Use macro for body.
5719         (const_expr_first, const_expr_last, const_expr_only): New.
5720         * tree-iterator.h (const_tree_stmt_iterator, ctsi_start,
5721         ctsi_last, ctsi_end_p, ctsi_one_before_end_p, ctsi_next,
5722         ctsi_prev, ctsi_stmt): New.
5723         * tree-scalar-evolution.c (get_loop_exit_condition): Constify.
5724         * tree-scalar-evolution.h (get_loop_exit_condition): Likewise.
5725         * tree-ssa-loop-niter.c (loop_only_exit_p,
5726         derive_constant_upper_bound): Likewise.
5727         * tree-ssa-phiopt.c (empty_block_p): Likewise.
5728         * tree-ssa-threadupdate.c (redirection_block_p): Likewise.
5729         * tree-vectorizer.c (slpeel_can_duplicate_loop_p): Likewise.
5730         * tree-vectorizer.h (slpeel_can_duplicate_loop_p): Likewise.
5731         * tree-vrp.c (vrp_bitmap_equal_p): Likewise.
5732         * tree.c (get_type_static_bounds): Likewise.
5733         * tree.h (const_expr_first, const_expr_last, const_expr_only): New.
5734         (get_type_static_bounds): Constify.
5735
5736 2007-08-14  Rask Ingemann Lambertsen  <rask@sygehus.dk>
5737
5738         PR target/30315
5739         * config/i386/i386.h (CANONICALIZE_COMPARISON): New.
5740         * config/i386/i386.md (plusminus)(addsub)(SWI): New.
5741         (*<addsub><mode>3_cc_overflow): New.
5742         (*add<mode>3_cconly_overflow): New.
5743         (*sub<mode>3_cconly_overflow): New.
5744         (*<addsub>si3_zext_cc_overflow): New.
5745         * config/i386/predicates.md (fcmov_comparison_operator): Accept
5746         CCCmode for LTU, GTU, LEU and GEU.
5747         (ix86_comparison_operator): Likewise.
5748         (ix86_carry_flag_operator): Carry flag is set if LTU or GTU in CCCmode.
5749         * config/i386/i386.c (put_condition_code): Support CCCmode.
5750         (ix86_cc_mode): Use CCCmode when testing for overflow of PLUS
5751         or MINUS expressions.
5752
5753 2007-08-14  Andrew Pinski  <pinskia@gmail.com>
5754
5755         PR c/30428
5756         * c-typeck.c (build_binary_op): Disallow vector float types with
5757         BIT_IOR_EXPR, BIT_AND_EXPR, and BIT_XOR_EXPR.
5758
5759 2007-08-14  Maxim Kuvyrkov  <maxim@codesourcery.com>
5760
5761         * sched-int.h (struct _dep): Rename field 'kind' to 'type'.
5762         (DEP_KIND): Rename to DEP_TYPE.  Update all uses.
5763         (dep_def): New typedef.
5764         (init_dep_1, sd_debug_dep): Declare functions.
5765         (DEP_LINK_KIND): Rename to DEP_LINK_TYPE.
5766         (debug_dep_links): Remove.
5767         (struct _deps_list): New field 'n_links'.
5768         (DEPS_LIST_N_LINKS): New macro.
5769         (FOR_EACH_DEP_LINK): Remove.
5770         (create_deps_list, free_deps_list, delete_deps_list): Remove
5771         declaration.
5772         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
5773         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
5774         (copy_deps_list_change_con, move_dep_link): Ditto.
5775         (struct haifa_insn_data): Split field 'back_deps' into 'hard_back_deps'
5776         and 'spec_back_deps'.  New field 'resolved_forw_deps'.  Remove field
5777         'dep_count'.
5778         (INSN_BACK_DEPS): Remove.
5779         (INSN_HARD_BACK_DEPS, INSN_SPEC_BACK_DEPS, INSN_RESOLVED_FORW_DEPS):
5780         New macros.
5781         (INSN_DEP_COUNT): Remove.
5782         (enum DEPS_ADJUST_RESULT): Add new constant DEP_NODEP.  Fix comments.
5783         (spec_info, haifa_recovery_block_was_added_during_scheduling_p):
5784         Declare global variables.
5785         (deps_pools_are_empty_p, sched_free_deps): Declare functions.
5786         (add_forw_dep, compute_forward_dependences): Remove declarations.
5787         (add_or_update_back_dep, add_or_update_back_forw_dep): Ditto.
5788         (add_back_forw_dep, delete_back_forw_dep): Ditto.
5789         (debug_ds, sched_insn_is_legitimate_for_speculation_p): Declare
5790         functions.
5791         (SD_LIST_NONE, SD_LIST_HARD_BACK, SD_LIST_SPEC_BACK, SD_LIST_FORW):
5792         New constants.
5793         (SD_LIST_RES_BACK, SD_LIST_RES_FORW, SD_LIST_BACK): Ditto.
5794         (sd_list_types_def): New typedef.
5795         (sd_next_list): Declare function.
5796         (struct _sd_iterator): New type.
5797         (sd_iterator_def): New typedef.
5798         (sd_iterator_start, sd_iterator_cond, sd_iterator_next): New inline
5799         functions.
5800         (FOR_EACH_DEP): New cycle wrapper.
5801         (sd_lists_size, sd_lists_empty_p, sd_init_insn, sd_finish_insn):
5802         Declare functions.
5803         (sd_find_dep_between, sd_add_dep, sd_add_or_update_dep): Ditto.
5804         (sd_resolve_dep, sd_copy_back_deps, sd_delete_dep, sd_debug_lists):
5805         Ditto.
5806
5807         * sched-deps.c (init_dep_1): Make global.
5808         (DUMP_DEP_PRO, DUMP_DEP_CON, DUMP_DEP_STATUS, DUMP_DEP_ALL): New
5809         constants.
5810         (dump_dep): New static function.
5811         (dump_dep_flags): New static variable.
5812         (sd_debug_dep): New function.
5813         (add_to_deps_list, remove_from_deps_list): Update 'n_links' field of
5814         the list.
5815         (move_dep_link): Use remove_from_deps_list (), instead of
5816         detach_dep_link ().
5817         (dep_links_consistent_p, dump_dep_links, debug_dep_links): Remove.
5818         (dep_link_is_detached_p): New static function.
5819         (deps_obstack, dl_obstack, dn_obstack): Remove.  Use dn_pool, dl_pool
5820         instead.
5821         (dn_pool, dl_pool): New alloc_pools.
5822         (dn_pool_diff, dl_pool_diff): New static variables.
5823         (create_dep_node, delete_dep_node): New static function.
5824         (create_deps_list): Make it static.  Use alloc_pool 'dl_pool'.
5825         (deps_list_empty_p): Make it static.  Use 'n_links' field.
5826         (deps_pools_are_empty_p): New static function.
5827         (alloc_deps_list, delete_deps_list): Remove.
5828         (dump_deps_list, debug_deps_list, add_back_dep_to_deps_list): Remove.
5829         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
5830         (copy_deps_list_change_con): Remove.  Use sd_copy_back_deps () instead.
5831         (forward_dependency_cache): Remove.
5832         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Remove
5833         'back' from the names.  Change signature to use dep_t instead of
5834         equivalent quad.
5835         (add_back_dep): Ditto.  Make global.
5836         (check_dep_status): Rename to check_dep ().
5837         (sd_next_list, sd_lists_size, sd_lists_empty_p, sd_init_insn):
5838         New functions.
5839         (sd_finish_insn): Ditto.
5840         (sd_find_dep_between_no_cache): New static function.
5841         (sd_find_dep_between): New function.
5842         (ask_dependency_caches, set_dependency_caches): New static functions.
5843         (update_dependency_caches, change_spec_dep_to_hard, update_dep): Ditto.
5844         (add_or_update_dep_1): Separate pieces of functionality into
5845         ask_dependency_caches (), update_dependency_caches (),
5846         change_spec_dep_to_hard (), update_dep ().
5847         (get_back_and_forw_lists): New static function.
5848         (sd_add_dep): Separate setting of dependency caches into
5849         set_dependency_caches ().
5850         (sd_add_or_update_dep, sd_resolve_dep, sd_copy_back_deps):
5851         New functions.
5852         (sd_delete_dep): Ditto.
5853         (DUMP_LISTS_SIZE, DUMP_LISTS_DEPS, DUMP_LISTS_ALL): New constants.
5854         (dump_lists): New static function.
5855         (sd_debug_lists): New debug function.
5856         (delete_all_dependences, fixup_sched_groups): Update to use
5857         sd_* infrastructure.
5858         (sched_analyze_2): Create data-speculative dependency only if
5859         data-speculation is enabled.
5860         (sched_analyze_insn): If insn cannot be speculative, make all its
5861         dependencies non-speculative.
5862         (sched_analyze): Use sd_init_insn ().
5863         (add_forw_dep, compute_forward_dependencies): Remove.
5864         (delete_dep_nodes_in_back_deps): New static function.
5865         (sched_free_deps): New function.
5866         (init_dependency_caches): Init alloc_pools.
5867         (extend_depedency_caches): Update after removing of
5868         forward_dependency_cache.
5869         (free_dependency_caches): Ditto.  Free alloc_pools.
5870         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Remove.
5871         (delete_forw_dep, add_or_update_back_dep, add_or_update_back_forw_dep):
5872         Ditto.
5873         (add_back_forw_dep, delete_back_forw_dep): Ditto.
5874         (add_dependence): Use init_dep ().
5875         (get_dep_weak_1): New static function.
5876         (get_dep_weak): Move logic to get_dep_weak_1 ().
5877         (dump_ds): New static function moved from haifa-sched.c:
5878         debug_spec_status ().
5879         (debug_ds): New debug function.
5880         (check_dep_status): Rename to check_dep ().  Update to check whole
5881         dependencies.
5882
5883         * haifa-sched.c (spec_info): Make global.
5884         (added_recovery_block_p): Rename to
5885         'haifa_recovery_block_was_added_during_current_schedule_block_p'.
5886         (haifa_recovery_block_was_added_during_scheduling_p): New variable.
5887         (dep_cost, priority, rank_for_schedule, schedule_insn): Update
5888         to use new interfaces.
5889         (ok_for_early_queue_removal): Ditto.
5890         (schedule_block): Initialize logical uids of insns emitted by the
5891         target.
5892         (sched_init): Initialize new variable.
5893         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
5894         interfaces.
5895         (extend_global): Initialize insn data.
5896         (init_h_i_d): Remove code that is now handled in sd_init_insn ().
5897         (process_insn_forw_deps_be_in_spec): Change signature.  Update to use
5898         new interfaces.
5899         (add_to_speculative_block): Update to use new interfaces.
5900         (create_recovery_block): Set new variables.
5901         (create_check_block_twin, fix_recovery_deps): Update to use new
5902         interfaces.
5903         (sched_insn_is_legitimate_for_speculation_p): New function.
5904         (speculate_insn): Move checking logic to
5905         sched_insn_is_legitimate_for_speculation_p ().
5906         (sched_remove_insn): Finalize sched-deps information of instruction.
5907         (clear_priorities, add_jump_dependencies): Update to use new
5908         interfaces.
5909         (debug_spec_status): Rename to dump_ds () and move to sched-deps.c.
5910         
5911         * sched-rgn.c (set_spec_fed, find_conditional_protection): Update
5912         to use new interfaces.
5913         (is_conditionally_protected, is_pfree, is_prisky) Ditto.
5914         (new_ready): Try to use control speculation only if it is available.
5915         (add_branch_dependences): Update to use new interfaces.
5916         (compute_block_backward_dependences): Rename to
5917         compute_block_dependences ().  Call
5918         targetm.sched.dependencies_evaluation_hook ().
5919         (free_block_dependencies): New static function.
5920         (debug_dependencies): Update to use new interfaces.
5921         (schedule_region): Remove separate computation of forward dependencies.
5922         Move call of targetm.sched.dependencies_evaluation_hook () to
5923         compute_block_dependences ().  Free dependencies at the end of
5924         scheduling the region.
5925
5926         * sched-ebb.c (earliest_block_with_similiar_load): Update to use
5927         new interfaces.
5928         (add_deps_for_risky_insns): Ditto.
5929         (schedule_ebb): Remove separate computation of forward dependencies.
5930         Free dependencies at the end of scheduling the ebb.
5931
5932         * ddg.c (create_ddg_dependence): Update to use new interfaces.
5933         (build_intra_loop_deps): Ditto.  Remove separate computation of
5934         forward dependencies.  Free sched-deps dependencies.
5935
5936         * config/ia64/ia64.c (ia64_dependencies_evaluation_hook): Update
5937         to use new interfaces.
5938         (ia64_dfa_new_cycle, ia64_gen_check): Ditto.
5939
5940         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Update to use
5941         new interfaces.
5942         (is_costly_group): Ditto.
5943
5944 2007-08-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5945
5946         * alias.c (rtx_equal_for_memref_p): Constify.
5947         * basic-block.h (const_edge, const_basic_block): New.
5948         (reg_set_to_hard_reg_set, dfs_enumerate_from, single_succ_p,
5949         single_pred_p, single_succ_edge, single_pred_edge, single_succ,
5950         single_pred, maybe_hot_bb_p, probably_cold_bb_p,
5951         probably_never_executed_bb_p, edge_probability_reliable_p,
5952         br_prob_note_reliable_p, forwarder_block_p, flow_nodes_print,
5953         inside_basic_block_p, control_flow_insn_p, dominated_by_p):
5954         Likewise.
5955         * bb-reorder.c (better_edge_p, push_to_next_round_p): Likewise.
5956         * bt-load.c (basic_block_freq, insn_sets_btr_p, can_move_up):
5957         Likewise.
5958         * cfganal.c (flow_active_insn_p, forwarder_block_p,
5959         flow_nodes_print, dfs_enumerate_from): Likewise.
5960         * cfgbuild.c (count_basic_blocks, inside_basic_block_p,
5961         control_flow_insn_p, count_basic_blocks): Likewise.
5962         * cfgloop.c (flow_bb_inside_loop_p, glb_enum_p,
5963         get_loop_body_with_size, loop_exit_edge_p): Likewise.
5964         * cfgloop.h (flow_bb_inside_loop_p, num_loop_insns,
5965         average_num_loop_insns, loop_exit_edge_p,
5966         just_once_each_iteration_p, can_duplicate_loop_p): Likewise.
5967         * cfgloopanal.c (just_once_each_iteration_p, num_loop_insns,
5968         average_num_loop_insns, seq_cost): Likewise.
5969         * cfgloopmanip.c (rpe_enum_p, can_duplicate_loop_p): Likewise.
5970         * dominance.c (dominated_by_p): Likewise.
5971         * emit-rtl.c (validate_subreg): Likewise.
5972         * except.c (can_throw_internal, can_throw_external): Likewise.
5973         * except.h (can_throw_internal, can_throw_external): Likewise.
5974         * gcse.c (gcse_constant_p, oprs_unchanged_p, oprs_anticipatable_p,
5975         oprs_available_p, hash_expr, expr_equiv_p, oprs_not_set_p,
5976         compute_transp, load_killed_in_block_p, reg_killed_on_edge,
5977         simple_mem, store_ops_ok, load_kills_store, find_loads,
5978         store_killed_in_insn, store_killed_after, store_killed_before,
5979         gcse_mem_operand, implicit_set_cond_p, store_killed_in_pat):
5980         Likewise.
5981         * ifcvt.c (count_bb_insns, cheap_bb_rtx_cost_p, noce_operand_ok,
5982         noce_mem_write_may_trap_or_fault_p): Likewise.
5983         * pointer-set.c (pointer_set_contains, pointer_map_contains):
5984         Likewise.
5985         * pointer-set.h (pointer_set_contains, pointer_map_contains):
5986         Likewise.
5987         * predict.c (can_predict_insn_p, maybe_hot_bb_p,
5988         probably_cold_bb_p, probably_never_executed_bb_p,
5989         edge_probability_reliable_p, br_prob_note_reliable_p,
5990         can_predict_insn_p): Likewise.
5991         * regclass.c (reg_set_to_hard_reg_set): Likewise.
5992         * resource.c (return_insn_p): Likewise.
5993         * rtl.h (reg_set_between_p, reg_set_p, validate_subreg):
5994         Likewise.
5995         * rtlanal.c (reg_set_between_p, reg_set_p): Likewise.
5996         * tracer.c (count_insns, ignore_bb_p, better_p): Likewise.
5997         * tree-cfg.c (verify_gimple_unary_expr, verify_gimple_binary_expr,
5998         verify_gimple_modify_stmt): Likewise.
5999         * tree-chrec.c (is_not_constant_evolution,
6000         is_multivariate_chrec_rec, is_multivariate_chrec,
6001         chrec_contains_symbols, chrec_contains_undetermined,
6002         tree_contains_chrecs, evolution_function_is_affine_multivariate_p,
6003         evolution_function_is_univariate_p, avoid_arithmetics_in_type_p,
6004         eq_evolutions_p, scev_direction): Likewise.
6005         * tree-chrec.h (automatically_generated_chrec_p, tree_is_chrec,
6006         eq_evolutions_p, is_multivariate_chrec, chrec_contains_symbols,
6007         chrec_contains_symbols_defined_in_loop,
6008         chrec_contains_undetermined, tree_contains_chrecs,
6009         evolution_function_is_affine_multivariate_p,
6010         evolution_function_is_univariate_p, chrec_zerop,
6011         evolution_function_is_constant_p, evolution_function_is_affine_p,
6012         evolution_function_is_affine_or_constant_p,
6013         tree_does_not_contain_chrecs, chrec_type): Likewise.
6014         * tree-data-ref.c (tree_fold_divides_p,
6015         object_address_invariant_in_loop_p, dr_may_alias_p,
6016         ziv_subscript_p, siv_subscript_p, gcd_of_steps_may_divide_p,
6017         same_access_functions, constant_access_functions,
6018         access_functions_are_affine_or_constant_p, find_vertex_for_stmt):
6019         Likewise.
6020         * tree-flow.h (scev_direction): Likewise.
6021         * tree-gimple.c (is_gimple_stmt): Likewise.
6022         * tree-outof-ssa.c (identical_copies_p, identical_stmt_lists_p):
6023         Likewise.
6024         * tree-pretty-print.c (op_prio): Likewise.
6025         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop,
6026         analyzable_condition, backedge_phi_arg_p): Likewise.
6027         * tree-scalar-evolution.h (get_chrec_loop): Likewise.
6028         * tree-ssa-operands.c (get_name_decl, operand_build_cmp): Likewise.
6029         * tree-ssa-threadupdate.c (dbds_continue_enumeration_p):
6030         Likewise.
6031
6032 2007-08-13  Dan Hipschman  <dsh@google.com>
6033
6034         PR c/32953
6035         * c-format.c (check_format_arg): Move check for zero-length
6036         format strings below the check for unterminated strings.
6037
6038 2007-08-13  Andrew Pinski  <pinskia@gmail.com>
6039
6040         PR C/30427
6041         * c-typeck.c (build_unary_op <case BIT_NOT_EXPR>): Reject vector float
6042         types.
6043
6044 2007-08-13  Nick Clifton  <nickc@redhat.com>
6045
6046         * config/arm/arm_neon.h: Revert GPLv3 patch to this file.
6047
6048 2007-08-12  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
6049
6050         PR fortran/32860
6051         * c-format.c (gcc_gfc_length_specs): New array.
6052         (gcc_gfc_char_table): Add unsigned specifier, and references to
6053         the l length modifier.
6054         (format_types_orig): Use the new gcc_gfc_length_specs.
6055
6056 2007-08-12  Sa Liu  <saliu@de.ibm.com>
6057
6058         * emit-rtl.c (try_split): Relink the insns with REG_LIBCALL note
6059         and with REG_RETVAL note after split.
6060
6061 2007-08-11  David Daney  <ddaney@avtrex.com>
6062
6063         * config/mips/mips.c (mips_sched_reorder): Mark cycle parameter
6064         as ATTRIBUTE_UNUSED.
6065
6066 2007-08-11  David Edelsohn  <edelsohn@gnu.org>
6067             Segher Boessenkool  <segher@kernel.crashing.org>
6068
6069         * config/rs6000/rs6000.h (CC1_CPU_SPEC): Define as empty string if
6070         HAVE_LOCAL_CPU_DETECT not defined.
6071
6072 2007-08-11  Jan Hubicka  <jh@suse.cz>
6073
6074         * cgraphunit.c (record_cdtor_fn): Declare all cdtors always inlined.
6075         (cgraph_process_new_functions): Honor previous value of
6076         disregard_inline_limits.
6077         * ipa-inline.c (compute_inline_parameters): Likewise.
6078
6079 2007-08-11  Ian Lance Taylor  <iant@google.com>
6080
6081         * alias.h (alias_set_type): Define new type.
6082         (ALIAS_SET_MEMORY_BARRIER): Use it.
6083         * rtl.h: Include alias.h.
6084         (struct mem_attrs): Use alias_set_type.
6085         * tree.h: Include alias.h
6086         (struct tree_type): Use alias_set_type.
6087         (struct tree_struct_field_tag): Likewise.
6088         (struct tree_decl_common): Likewise.
6089         * alias.c (struct alias_set_entry): Use alias_set_type.
6090         (get_alias_set_entry, alias_set_subset_of): Likewise.
6091         (alias_sets_conflict_p): Likewise.
6092         (alias_sets_must_conflict_p): Likewise.
6093         (objects_must_conflict_p): Likewise.
6094         (get_alias_set, new_alias_set): Likewise.
6095         (record_alias_subset, record_component_aliases): Likewise.
6096         (varargs_set, frame_set): Change to alias_set_type.
6097         (get_varargs_alias_set): Use alias_set_type.
6098         (get_frame_alias_set): Likewise.
6099         * builtins.c (setjmp_alias_set): Change to alias_set_type.
6100         * dse.c (struct store_info): Use alias_set_type.
6101         (struct read_info, struct clear_alias_mode_holder): Likewise.
6102         (clear_alias_set_lookup, canon_address): Likewise.
6103         (record_store, check_mem_read_rtx): Likewise.
6104         (dse_record_singleton_alias_set): Likewise.
6105         (dse_invalidate_singleton_alias_set): Likewise.
6106         * emit-rtl.c (get_mem_attrs): Likewise.
6107         (set_mem_attributes_minus_bitpos): Likewise.
6108         (set_mem_alias_set): Likewise.
6109         * expr.c (store_constructor_field, store_field): Likewise.
6110         * gimplify.c (struct gimplify_init_ctor_preeval_data): Likewise.
6111         * langhooks.c (lhd_get_alias_set): Likewise.
6112         * langhooks-def.h (lhd_get_alias_set): Likewise.
6113         * reload1.c (alter_reg): Likewise.
6114         * tree-flow.h (struct fieldoff): Likewise.
6115         * tree-ssa-alias.c (struct alias_map_d): Likewise.
6116         (may_alias_p, get_smt_for, create_sft): Likewise.
6117         * tree-ssa-alias-warnings.c (nonstandard_alias_types_p): Likewise.
6118         * tree-ssa-structalias.c (set_uids_in_ptset): Likewise.
6119         (merge_smts_into): Likewise.
6120         * varasm.c (const_alias_set): Likewise.
6121         * c-common.c (strict_aliasing_warning): Likewise.
6122         (c_common_get_alias_set): Likewise.
6123         * dse.h (dse_record_singleton_alias_set): Update declaration.
6124         (dse_invalidate_singleton_alias_set): Likewise.
6125         * emit-rtl.h (set_mem_alias_set): Likewise.
6126         * c-common.h (c_common_get_alias_set): Likewise.
6127         * print-rtl.c (print_rtx): Cast MEM_ALIAS_SET when printing it.
6128         * print-tree.c (print_node): Likewise.
6129         * config/alpha/alpha.c (alpha_sr_alias_set): Change to
6130         alias_set_type.
6131         (alpha_setup_incoming_varargs): Use alias_set_type.
6132         * config/i386/i386.c (setup_incoming_varargs_64): Use
6133         alias_set_type.
6134         (setup_incoming_varargs_ms_64): Likewise.
6135         (ix86_GOT_alias_set): Likewise.
6136         * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
6137         * config/rs6000/rs6000.c (setup_incoming_varargs): Likewise.
6138         (set): Change to alias_set_type.
6139         (get_TOC_alias_set): Use alias_set_type.
6140         * config/rs6000/rs6000-protos.h (get_TOC_alias_set): Update
6141         declaration.
6142         * config/sh/sh.c (sh_builtin_saveregs): Use alias_set_type.
6143         * config/sparc/sparc.c (sparc_sr_alias_set): Change to
6144         alias_set_type.
6145         (struct_value_alias_set): Likewise.
6146         * Makefile.in (GTFILES): Add $(srcdir)/alias.h.
6147
6148 2007-08-11  Richard Sandiford  <richard@codesourcery.com>
6149
6150         * config/vxworks-dummy.h (TARGET_VXWORKS): Define.
6151         * config/vxworks.h (TARGET_VXWORKS): Override.
6152         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Don't define
6153         "mips" if TARGET_VXWORKS.
6154
6155 2007-08-11  Richard Sandiford  <richard@codesourcery.com>
6156
6157         * calls.c (avoid_likely_spilled_reg): New function.
6158         (expand_call): Use it.
6159
6160 2007-08-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6161
6162         * c-typeck.c (build_c_cast): Add OPT_Wcast_qual to warnings.
6163
6164 2007-08-10  Adam Nemet  <anemet@caviumnetworks.com>
6165
6166         * config/mips/predicates.md (const_call_insn_operand): Invoke
6167         SYMBOL_REF_LONG_CALL_P only on SYMBOL_REFs.
6168
6169 2007-08-10  David Edelsohn  <edelsohn@gnu.org>
6170
6171         PR target/33042
6172         * config/rs6000/driver-rs6000.c: Include link.h.
6173         Use ElfW instead of wordsize-specif typedef.
6174
6175 2007-08-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6176
6177         * system.h (CONST_CAST): New.
6178         * c-decl.c (c_make_fname_decl): Use it.
6179         * c-lex.c (cb_ident, lex_string): Likewise.
6180         * c-typeck.c (free_all_tagged_tu_seen_up_to): Likewise.
6181         * gcc.c (set_spec, read_specs, for_each_path, execute, do_spec_1,
6182         give_switch, set_multilib_dir): Likewise.
6183         * gengtype-parse.c (string_seq, typedef_name): Likewise.
6184         * passes.c (execute_one_pass): Likewise.
6185         * prefix.c (update_path): Likewise.
6186         * pretty-print.c (pp_base_destroy_prefix): Likewise.
6187         * tree.c (build_string): Likewise.
6188
6189 2007-08-10  Aldy Hernandez  <aldyh@redhat.com>
6190
6191         * tree-flow-inline.h (is_exec_stmt): Remove.
6192         (is_label_stmt): Remove.
6193         * tree-flow.h: Remove prototypes for is_exec_stmt, get_filename, and
6194         is_label_stmt.
6195
6196 2007-08-10  Andreas Krebbel  <krebbel1@de.ibm.com>
6197
6198         * lower-subreg.c (resolve_shift_zext): Don't adjust
6199         src_reg_num for wordmode operands.
6200
6201 2007-08-10  Sandra Loosemore  <sandra@codesourcery.com>
6202             David Ung  <davidu@mips.com>
6203
6204         * config/mips/mips.c (TARGET_SCHED_INIT): Define.
6205         (TARGET_SCHED_REORDER2): Define.
6206         (mips_maybe_swap_ready): New.
6207         (mips_last_74k_agen_insn): New.
6208         (mips_74k_agen_init): New.
6209         (mips_74k_agen_reorder): New function to group loads and stores
6210         in the ready queue.
6211         (mips_sched_init): New.  
6212         (mips_sched_reorder): Don't do initialization here.  Call
6213         mips_74k_agen_reorder.
6214         (mips_variable_issue): Call mips_74k_agen_init.
6215
6216 2007-08-10  Aldy Hernandez  <aldyh@redhat.com>
6217
6218         * tree-flow-inline.h (get_filename): Remove.
6219
6220 2007-08-10  Richard Sandiford  <richard@codesourcery.com>
6221
6222         * config/mips/mips-protos.h (mips_address_insns): Add a boolean
6223         argument.
6224         (mips_fetch_insns): Delete in favor of...
6225         (mips_load_store_insns): ...this new function.
6226         * config/mips/mips.c (mips_address_insns): Add a boolean argument
6227         to say whether multiword moves _might_ be split.
6228         (mips_fetch_insns): Delete in favor of...
6229         (mips_load_store_insns): ...this new function.
6230         (mips_rtx_costs): Update the call to mips_address_insns.
6231         (mips_address_cost): Likewise.
6232         * config/mips/mips.md (length): Use mips_load_store_insns instead
6233         of mips_fetch_insns.
6234         * config/mips/constraints.md (R): Use mips_address_insns rather
6235         than mips_fetch_insns.  Assume that the move never needs to be split.
6236
6237 2007-08-09  Sandra Loosemore  <sandra@codesourcery.com>
6238
6239         * config/mips/mips.opt (mhard-float, msoft-float): Make these
6240         control TARGET_HARD_FLOAT_ABI and TARGET_SOFT_FLOAT_ABI, rather
6241         than TARGET_HARD_FLOAT and TARGET_SOFT_FLOAT.  
6242         * config/mips/mips.h (mips16_hard_float): Delete.
6243         (TARGET_HARD_FLOAT_ABI, TARGET_SOFT_FLOAT_ABI): Delete these
6244         definitions, and replace with....
6245         (TARGET_HARD_FLOAT, TARGET_SOFT_FLOAT): Define.
6246         * config/mips/mips.c (mips16_hard_float): Delete.  Replace
6247         all references with (TARGET_MIPS16 && TARGET_HARD_FLOAT_ABI).
6248         (MIPS_MARCH_CONTROLS_SOFT_FLOAT): Update comments.
6249         (override_options): Replace MASK_SOFT_FLOAT references with
6250         MASK_SOFT_FLOAT_ABI.  Delete twiddling with MASK_SOFT_FLOAT
6251         and mips16_hard_float when TARGET_MIPS16.
6252         
6253 2007-08-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6254
6255         PR c/32796
6256         * c-typeck.c (build_binary_op): Check for non pointer types before
6257         calling int_fits_type_p.
6258
6259 2007-08-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6260
6261         PR middle-end/32813
6262         * fold-const.c (omit_one_operand): Return only the ommitted expression
6263         if the result is an empty statement.
6264         (pedantic_omit_one_operand): Likewise.
6265
6266 2007-08-09  Daniel Berlin  <dberlin@dberlin.org>
6267
6268         * c-typeck.c (readonly_error): Improve error for assignment.
6269         
6270         * c-pretty-print.c (pp_c_additive_expression): Handle pointer-plus
6271         expression. 
6272         (pp_c_expression): Ditto.
6273
6274 2007-08-09  Simon Baldwin  <simonb@google.com>
6275
6276         * simplify-rtx.c (simplify_binary_operation_1): Removed erroneous
6277         break that was preventing simplify_associative_operation() for xor.
6278
6279 2007-08-09  Sandra Loosemore  <sandra@codesourcery.com>
6280             Nigel Stephens  <nigel@mips.com>
6281
6282         * doc/tm.texi (CLZ_DEFINED_VALUE_AT_ZERO, CTZ_DEFINED_VALUE_AT_ZERO):
6283         Document change in interpretation of value from boolean to
6284         tri-state integer.
6285         * optabs.c (expand_ffs, expand_ctz): New functions to compute
6286         ffs and ctz using clz.
6287         (expand_unop): Call them.
6288         * config/rs6000/rs6000.h (CLZ_DEFINED_VALUE_AT_ZERO): Fix its
6289         result value.
6290         (CTZ_DEFINED_VALUE_AT_ZERO): Likewise.
6291         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Likewise, to
6292         enable the new ffs expansion on this target.
6293
6294 2007-08-09  Jan Hubicka  <jh@suse.cz>
6295
6296         * optabs.c (expand_widen_pattern_expr): Use optabs accestors.
6297         (expand_ternary_op): Likewise.
6298         (expand_vec_shift_expr): Likewise.
6299         (expand_binop_directly): Likewise.
6300         (expand_binop): Likewise.
6301         (sign_expand_binop): Likewise.
6302         (expand_twoval_unop): Likewise.
6303         (expand_twoval_binop): Likewise.
6304         (expand_twoval_binop_libfunc): Likewise.
6305         (widen_clz): Likewise.
6306         (widen_bswap): Likewise.
6307         (expand_parity): Likewise.
6308         (expand_unop): Likewise.
6309         (expand_abs_nojump): Likewise.
6310         (expand_copysign): Likewise.
6311         (emit_no_conflict_block): Likewise.
6312         (emit_libcall_block): Likewise.
6313         (can_compare_p): Likewise.
6314         (prepare_cmp_insn): Likewise.
6315         (emit_cmp_and_jump_insn_1): Likewise.
6316         (prepare_float_lib_cmp): Likewise.
6317         (emit_conditional_add): Likewise.
6318         (gen_add2_insn): Likewise.
6319         (have_add2_insn): Likewise.
6320         (gen_sub2_insn): Likewise.
6321         (have_sub2_insn): Likewise.
6322         (can_extend_p): Likewise.
6323         (can_fix_p): Likewise.
6324         (can_float_p): Likewise.
6325         (expand_float): Likewise.
6326         (expand_fix): Likewise.
6327         (expand_sfix_optab): Likewise.
6328         (new_optab): Likewise.
6329         (new_convert_optab): Likewise.
6330         (init_libfuncs): Likewise.
6331         (init_interclass_conv_libfuncs): Likewise.
6332         (init_intraclass_conv_libfuncs): Likewise.
6333         (set_conv_libfunc): Likewise.
6334         (init_optabs): Likewise.
6335         (debug_optab_libfuncs): Likewise.
6336         (gen_cond_trap): Likewise.
6337         * optabs.h (optab_handler, convert_optab_hanlder): New.
6338         * genopinit.c: Update optabs generation table.
6339         * reload.c (find_reloads_address_1): Use optabs accestors.
6340         * builtins.c (expand_builtin_mathfn): Likewise.
6341         (expand_builtin_mathfn_2): Likewise.
6342         (expand_builtin_mathfn_3): Likewise.
6343         (expand_builtin_interclass_mathfn): Likewise.
6344         (expand_builtin_sincos): Likewise.
6345         (expand_builtin_cexpi): Likewise.
6346         (expand_builtin_powi): Likewise.
6347         (expand_builtin_strlen): Likewise.
6348         * dojump.c (do_jump): Likewise.
6349         * expr.c (convert_move): Likewise.
6350         (move_by_pieces): Likewise.
6351         (move_by_pieces_ninsns): Likewise.
6352         (can_store_by_pieces): Likewise.
6353         (store_by_pieces_1): Likewise.
6354         (emit_move_via_integer): Likewise.
6355         (emit_move_complex): Likewise.
6356         (emit_move_ccmode): Likewise.
6357         (emit_move_insn_1): Likewise.
6358         (emit_single_push_insn): Likewise.
6359         (store_constructor): Likewise.
6360         (expand_expr_real_1): Likewise.
6361         (do_store_flag): Likewise.
6362         * ada/misc.c (gnat_compute_largest_alignment): Likewise.
6363         (enumerate_modes): Likewise.
6364         * tree-vectorizer.c (vect_supportable_dr_alignment): Likewise.
6365         (supportable_widening_operation): Likewise.
6366         (supportable_narrowing_operation): Likewise.
6367         * expmed.c (store_bit_field_1): Likewise.
6368         (extract_bit_field_1): Likewise.
6369         (expand_mult_highpart_optab): Likewise.
6370         (expand_smod_pow2): Likewise.
6371         (expand_divmod): Likewise.
6372         (emit_store_flag): Likewise.
6373         * tree-vect-patterns.c
6374         (vect_pattern_recog_1): Likewise.
6375         * tree-ssa-loop-prefetch.c
6376         (nontemporal_store_p): Likewise.
6377         * tree-vect-transform.c (vect_model_reduction_cost): Likewise.
6378         (vect_create_epilog_for_reduction): Likewise.
6379         (vectorizable_reduction): Likewise.
6380         (vectorizable_operation): Likewise.
6381         (vect_strided_store_supported): Likewise.
6382         (vectorizable_store): Likewise.
6383         (vect_strided_load_supported): Likewise.
6384         (vectorizable_load): Likewise.
6385         * combine.c (simplify_comparison): Likewise.
6386         * tree-vect-generic.c
6387         (type_for_widest_vector_mode): Likewise.
6388         (expand_vector_operations_1): Likewise.
6389         * config/spu/spu.c (spu_expand_mov): Likewise.
6390         (spu_emit_vector_compare): Likewise.
6391         * config/rs6000/rs6000.c
6392         (rs6000_emit_vector_compare): Likewise.
6393         * stmt.c (add_case_node): Likewise.
6394         * reload1.c (gen_reload):
6395
6396 2007-08-09  Michael Matz  <matz@suse.de>
6397
6398         * tree.h (fixed_zerop): Declare as taking a const_tree.
6399         * tree.c (fixed_zerop): Take a const_tree.
6400
6401 2007-08-09  Ira Rosen  <irar@il.ibm.com>
6402
6403         * tree-vect-transform.c (vectorizable_store): Remove call to
6404         copy_virtual_operands() and call mark_symbols_for_renaming() for
6405         the created vector store.
6406         (vect_setup_realignment): Don't call copy_virtual_operands() and
6407         update_vuses_to_preheader(). 
6408         (vectorizable_load): Don't call copy_virtual_operands(). 
6409         (update_vuses_to_preheader): Remove.
6410
6411 2007-08-08  Chao-ying Fu  <fu@mips.com>
6412
6413         * tree.def (FIXED_POINT_TYPE): New type.
6414         (FIXED_CST): New constant.
6415         (FIXED_CONVERT_EXPR): New expr.
6416         * doc/c-tree.texi (Types): Document FIXED_POINT_TYPE.
6417         (Expressions): Document FIXED_CST and FIXED_CONVERT_EXPR.
6418         * tree.h (struct tree_base): Add saturating_flag.
6419         Remove one bit of spare for saturating_flag.
6420         (NUMERICAL_TYPE_CHECK): Support FIXED_POINT_TYPE.
6421         (NON_SAT_FIXED_POINT_TYPE_P, SAT_FIXED_POINT_TYPE_P,
6422         FIXED_POINT_TYPE_P): Define.
6423         (TYPE_SATURATING): Define.
6424         (TREE_FIXED_CST_PTR, TREE_FIXED_CST): Define.
6425         (struct tree_fixed_cst): New.
6426         (TYPE_IBIT, TYPE_FBIT): Define.
6427         (tree_node): Add fixed_cst.
6428         (enum tree_index): Add new enumeration values of
6429         TI_SAT_SFRACT_TYPE, TI_SAT_FRACT_TYPE, TI_SAT_LFRACT_TYPE,
6430         TI_SAT_LLFRACT_TYPE, TI_SAT_USFRACT_TYPE, TI_SAT_UFRACT_TYPE,
6431         TI_SAT_ULFRACT_TYPE, TI_SAT_ULLFRACT_TYPE, TI_SFRACT_TYPE,
6432         TI_FRACT_TYPE, TI_LFRACT_TYPE, TI_LLFRACT_TYPE, TI_USFRACT_TYPE,
6433         TI_UFRACT_TYPE, TI_ULFRACT_TYPE, TI_ULLFRACT_TYPE,
6434         TI_SAT_SACCUM_TYPE, TI_SAT_ACCUM_TYPE, TI_SAT_LACCUM_TYPE,
6435         TI_SAT_LLACCUM_TYPE, TI_SAT_USACCUM_TYPE, TI_SAT_UACCUM_TYPE,
6436         TI_SAT_ULACCUM_TYPE, TI_SAT_ULLACCUM_TYPE, TI_SACCUM_TYPE,
6437         TI_ACCUM_TYPE, TI_LACCUM_TYPE, TI_LLACCUM_TYPE, TI_USACCUM_TYPE,
6438         TI_UACCUM_TYPE, TI_ULACCUM_TYPE, TI_ULLACCUM_TYPE,
6439         TI_QQ_TYPE, TI_HQ_TYPE,_TYPE, TI_SQ_TYPE, TI_DQ_TYPE, TI_TQ_TYPE,
6440         TI_UQQ_TYPE, TI_UHQ_TYPE, TI_USQ_TYPE, TI_UDQ_TYPE, TI_UTQ_TYPE,
6441         TI_SAT_QQ_TYPE, TI_SAT_HQ_TYPE, TI_SAT_SQ_TYPE, TI_SAT_DQ_TYPE,
6442         TI_SAT_TQ_TYPE, TI_SAT_UQQ_TYPE, TI_SAT_UHQ_TYPE, TI_SAT_USQ_TYPE,
6443         TI_SAT_UDQ_TYPE, TI_SAT_UTQ_TYPE, TI_HA_TYPE, TI_SA_TYPE, TI_DA_TYPE,
6444         TI_TA_TYPE, TI_UHA_TYPE, TI_USA_TYPE, TI_UDA_TYPE, TI_UTA_TYPE,
6445         TI_SAT_HA_TYPE, TI_SAT_SA_TYPE, TI_SAT_DA_TYPE, TI_SAT_TA_TYPE,
6446         TI_SAT_UHA_TYPE, TI_SAT_USA_TYPE, TI_SAT_UDA_TYPE, TI_SAT_UTA_TYPE.
6447         (sat_short_fract_type_node, sat_fract_type_node,
6448         sat_long_fract_type_node, sat_long_long_fract_type_node,
6449         sat_unsigned_short_fract_type_node, sat_unsigned_fract_type_node,
6450         sat_unsigned_long_fract_type_node,
6451         sat_unsigned_long_long_fract_type_node, short_fract_type_node,
6452         fract_type_node, long_fract_type_node, long_long_fract_type_node,
6453         unsigned_short_fract_type_node, unsigned_fract_type_node,
6454         unsigned_long_fract_type_node, unsigned_long_long_fract_type_node,
6455         sat_short_accum_type_node, sat_accum_type_node,
6456         sat_long_accum_type_node, sat_long_long_accum_type_node,
6457         sat_unsigned_short_accum_type_node, sat_unsigned_accum_type_node,
6458         sat_unsigned_long_accum_type_node,
6459         sat_unsigned_long_long_accum_type_node, short_accum_type_node,
6460         accum_type_node, long_accum_type_node, long_long_accum_type_node,
6461         unsigned_short_accum_type_node, unsigned_accum_type_node,
6462         unsigned_long_accum_type_node, unsigned_long_long_accum_type_node,
6463         qq_type_node, hq_type_node, sq_type_node, dq_type_node, tq_type_node,
6464         uqq_type_node, uhq_type_node, usq_type_node, udq_type_node,
6465         utq_type_node, sat_qq_type_node, sat_hq_type_node, sat_sq_type_node,
6466         sat_dq_type_node, sat_tq_type_node, sat_uqq_type_node,
6467         sat_uhq_type_node, sat_usq_type_node, sat_udq_type_node,
6468         sat_utq_type_node, ha_type_node, sa_type_node, da_type_node,
6469         ta_type_node, uha_type_node, usa_type_node, uda_type_node,
6470         uta_type_node, sat_ha_type_node, sat_sa_type_node, sat_da_type_node,
6471         sat_ta_type_node, sat_uha_type_node, sat_usa_type_node,
6472         sat_uda_type_node, sat_uta_type_node): New macro.
6473         (make_fract_type, make_accum_type): Declare.
6474         (make_signed_fract_type, make_unsigned_fract_type,
6475         make_sat_signed_fract_type, make_sat_unsigned_fract_type,
6476         make_signed_accum_type, make_unsigned_accum_type,
6477         make_sat_signed_accum_type, make_sat_unsigned_accum_type,
6478         make_or_reuse_signed_fract_type, make_or_reuse_unsigned_fract_type,
6479         make_or_reuse_sat_signed_fract_type,
6480         make_or_reuse_sat_unsigned_fract_type, make_or_reuse_signed_accum_type,
6481         make_or_reuse_unsigned_accum_type, make_or_reuse_sat_signed_accum_type,
6482         make_or_reuse_sat_unsigned_accum_type): New macro.
6483         (fixed_zerop): Declare.
6484         * defaults.h (SHORT_FRACT_TYPE_SIZE, FRACT_TYPE_SIZE,
6485         LONG_FRACT_TYPE_SIZE, LONG_LONG_FRACT_TYPE_SIZE,
6486         SHORT_ACCUM_TYPE_SIZE, ACCUM_TYPE_SIZE, LONG_ACCUM_TYPE_SIZE,
6487         LONG_LONG_ACCUM_TYPE_SIZE): Define.
6488         * treestruct.def: Add TS_FIXED_CST.
6489         * Makefile.in (c-pretty-print.o): Add dependence on fixed-value.h.
6490         (tree.o): Likewise.
6491         (tree-dump.o): Likewise.
6492         (print-tree.o): Likewise.
6493         (tree-pretty-print.o): Likewise.
6494         (fold-const.o): Likewise.
6495         * tree-complex.c (some_nonzerop): Handle FIXED_CST.
6496         * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle FIXED_CST.
6497         (is_gimple_min_invariant): Handle FIXED_CST.
6498         * stor-layout.c (int_mode_for_mode): Handle MODE_FRACT, MODE_UFRACT,
6499         MODE_ACCUM, MODE_UACCUM, MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT,
6500         MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
6501         (layout_type): Handle FIXED_POINT_TYPE.
6502         (make_fract_type, make_accum_type): New functions.
6503         * tree-browser.c (browse_tree): Handle FIXED_POINT_TYPE.
6504         * tree-dump.c (fixed-value.h): New include.
6505         (dump_fixed): New function.
6506         (dequeue_and_dump): Handle FIXED_POINT_TYPE and FIXED_CST.
6507         * tree-inline.c (remap_type_1): Handle FIXED_POINT_TYPE.
6508         (estimate_num_insns_1): Handle FIXED_CST and FIXED_CONVERT_EXPR.
6509         * tree-pretty-print.c (fixed-value.h): New include.
6510         (dump_generic_node): Handle FIXED_POINT_TYPE, FIXED_CST, and
6511         FIXED_CONVERT_EXPR.
6512         * tree-scalar-evolution.c (get_scalar_evolution): Handle FIXED_CST.
6513         * tree-ssa-loop-im.c (for_each_index): Handle FIXED_CST.
6514         * tree-ssa-pre.c (poolify_tree): Handle FIXED_CST.
6515         * tree-ssa-reassoc.c (break_up_subtract_bb): We can do reassociation
6516         for non-saturating fixed-point types.
6517         (reassociate_bb): Likewise.
6518         * emit-rtl.c (fixed-value.h): New include.
6519         (fconst0, fconst1): New array.
6520         (init_emit_once): Initialize fconst0 and fconst1 for fixed-point modes.
6521         * tree-vect-generic.c expand_vector_operation): Support
6522         MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, and
6523         MODE_VECTOR_UACCUM.
6524         (type_for_widest_vector_mode): Add one parameter for the 
6525         saturating flag.
6526         Check scalar FRACT, UFRACT, ACCUM, and UACCUM mode to select their
6527         vector mode.
6528         Pass the satp parameter to type_for_mode for fixed-point types.
6529         (expand_vector_operations_1): Pass the saturating flag to
6530         type_for_widest_vector_mode.
6531         Support MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
6532         and MODE_VECTOR_UACCUM.
6533         * tree-vect-transform.c (vect_is_simple_cond): Support FIXED_CST.
6534         (vectorizable_condition): Likewise.
6535         * tree.c (fixed-value.h): New include.
6536         (tree_code_size): Support FIXED_CST.
6537         (build_fixed): New function.
6538         (build_one_cst): Support FIXED_POINT_TYPE for accum types.
6539         (fixed_zerop): New function.
6540         (tree_node_structure): Support FIXED_CST.
6541         (type_contains_placeholder_1): Support FIXED_POINT_TYPE.
6542         (build_type_attribute_qual_variant): Handle FIXED_POINT_TYPE.
6543         (type_hash_eq): Handle FIXED_POINT_TYPE.
6544         (simple_cst_equal): Support FIXED_CST.
6545         (iterative_hash_expr): Handle FIXED_CST.
6546         (get_unwidened): Make sure type is not FIXED_POINT_TYPE.
6547         (get_narrower): Likewise.
6548         (variably_modified_type_p): Handle FIXED_POINT_TYPE.
6549         (make_or_reuse_fract_type, make_or_reuse_accum_type): New functions.
6550         (build_common_tree_nodes_2): Use MAKE_FIXED_TYPE_NODE_FAMILY and
6551         MAKE_FIXED_MODE_NODE macros to initialize fixed-point type
6552         nodes.
6553         (build_vector_type_for_mode): Handle MODE_VECTOR_FRACT,
6554         MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
6555         (initializer_zerop): Support FIXED_CST.
6556         (walk_tree): Handle FIXED_CST and FIXED_POINT_TYPE.
6557         * dwarf2out.c (base_type_die): Use DW_ATE_signed_fixed or
6558         DW_ATE_unsigned_fixed to describe FIXED_POINT_TYPE.
6559         (is_base_type): Handle FIXED_POINT_TYPE.
6560         (add_type_attribute): Handle FIXED_POINT_TYPE.
6561         (gen_type_die_with_usage): Handle FIXED_POINT_TYPE.
6562         * print-tree.c (fixed-value.h): New include.
6563         (print_node_brief): Support FIXED_CST.
6564         (print_node): Support FIXED_POINT_TYPE and FIXED_CST.
6565         * c-pretty-print.c (fixed-value.h): New include.
6566         (pp_c_type_specifier): Handle FIXED_POINT_TYPE.  Need to pass
6567         TYPE_SATURATING to c_common_type_for_mode for fixed-point modes.
6568         (pp_c_direct_abstract_declarator): Handle FIXED_POINT_TYPE.
6569         Support fixed-point types for inner items in VECTOR_TYPE.
6570         (pp_c_direct_declarator): Likewise.
6571         (pp_c_declarator): Likewise.
6572         (pp_c_fixed_constant): New function.
6573         (pp_c_constant): Handle FIXED_CST.
6574         (pp_c_primary_expression): Likewise.
6575         (pp_c_expression): Likewise.
6576         * fold-const.c (fixed-value.h): New include.
6577         (negate_expr_p): Return true for FIXED_CST.
6578         (fold_negate_expr): Support FIXED_CST.
6579         (split_tree): Support FIXED_CST.
6580         (const_binop): Support FIXED_CST.
6581         (fold_convert_const_int_from_fixed): New function to convert from
6582         fixed to int.
6583         (fold_convert_const_real_from_fixed): New function to convert from
6584         fixed to real.
6585         (fold_convert_const_fixed_from_fixed): New function to convert from
6586         fixed to another fixed.
6587         (fold_convert_const_fixed_from_int): New function to convert from
6588         int to fixed.
6589         (fold_convert_const_fixed_from_real): New function to convert from
6590         real to fixed.
6591         (fold_convert_const): Support conversions from fixed to int, from
6592         fixed to real, from fixed to fixed, from int to fixed, and from real
6593         to fixed.
6594         (fold_convert): Support FIXED_CST and FIXED_POINT_TYPE.
6595         (operand_equal_p): Support FIXED_CST.
6596         (make_range): For fixed-point modes, we need to pass the
6597         saturating flag as the 2nd parameter.
6598         (tree_swap_operands_p): Handle FIXED_CST.
6599         (fold_plusminus_mult_expr): For fract modes, we cannot generate
6600         constant 1.
6601         (fold_unary): Support FIXED_CONVERT_EXPR.
6602         (fold_binary): Handle FIXED_CST.
6603         Make sure the type is not saturating, before associating operations.
6604         Ex: A + B + C, A * B * C, (A1 * C1) +/- (A2 * C2).
6605         (tree_expr_nonnegative_warnv_p): Handle FIXED_CST.
6606         (fold_negate_const): Support FIXED_CST.
6607         (fold_relational_const): Support FIXED_CST.
6608         * gimplify.c (omp_firstprivatize_type_sizes): Handle FIXED_POINT_TYPE.
6609         (gimplify_expr): Handle FIXED_CST.
6610         (gimplify_type_sizes): Handle FIXED_POINT_TYPE.
6611         * ipa-prop.c (ipa_callsite_compute_param): Support FIXED_CST.
6612         * ipa-type-escape.c (type_to_consider): Handle FIXED_POINT_TYPE.
6613         * doc/tm.texi (Type Layout): Document SHORT_FRACT_TYPE_SIZE,
6614         FRACT_TYPE_SIZE, LONG_FRACT_TYPE_SIZE, LONG_LONG_FRACT_TYPE_SIZE,
6615         SHORT_ACCUM_TYPE_SIZE, ACCUM_TYPE_SIZE, LONG_ACCUM_TYPE_SIZE,
6616         LONG_LONG_ACCUM_TYPE_SIZE.
6617         * dbxout.c (dbxout_type): Handle FIXED_POINT_TYPE.
6618         * c-aux-info.c (gen_type): Handle FIXED_POINT_TYPE.
6619         * tree-sra.c (is_sra_scalar_type): Support FIXED_POINT_TYPE.
6620         * expmed.c (extract_bit_field): Support MODE_FRACT, MODE_UFRACT,
6621         MODE_ACCUM, and MODE_UACCUM.
6622         * tree-vectorizer.c (vect_is_simple_reduction): Check for saturating
6623         fixed-point types to disable reduction.
6624         * explow.c (promote_mode): Support FIXED_POINT_TYPE.
6625
6626 2007-08-08  David Edelsohn  <edelsohn@gnu.org>
6627
6628         * config/rs6000/x-rs6000: New file.
6629         * config/rs6000/darwin.h (CC1_SPEC): Add cc1_cpu.
6630         * config/rs6000/rs6000.h (EXTRA_SPECS): Add cc1_cpu.
6631         (EXTRA_SPEC_FUNCTIONS): Define.
6632         (HAVE_LOCAL_CPU_DETECT): Define.
6633         (CC1_CPU_SPEC): Define.
6634         * config/rs6000/driver-rs6000.c: New file.
6635         * config/rs6000/aix.h (CC1_SPEC): Define.
6636         * config/rs6000/sysv4.h (CC1_SPEC): Add cc1_cpu.
6637         * config.host: Add x-rs6000 to host_xmake_file if host and target
6638         are rs6000 or powerpc.
6639
6640 2007-08-08  Paolo Bonzini <paolo.bonzini@lu.unisi.ch>
6641
6642         * config/i386/t-crtstuff (CRTSTUFF_T_CFLAGS): Use +=.
6643
6644 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
6645             Sandra Loosemore  <sandra@codesourcery.com>
6646             Chao-ying Fu  <fu@mips.com>
6647             Nigel Stephens  <nigel@mips.com>
6648             David Ung  <davidu@mips.com>
6649
6650         * doc/invoke.texi (-mcode-readable): Document.
6651         * config/mips/mips.opt (mcode-readable): New option.
6652         * config/mips/mips-protos.h (SYMBOL_32_HIGH): New symbol type.
6653         * config/mips/mips.h (mips_code_readable_setting): New enum.
6654         (mips_code_readable): Declare.
6655         (TARGET_MIPS16_TEXT_LOADS, TARGET_MIPS16_PCREL_LOADS): New macros.
6656         (TARGET_MIPS16_SHORT_JUMP_TABLES): New macro.
6657         (JUMP_TABLES_IN_TEXT_SECTION): Use it.
6658         (CASE_VECTOR_MODE, CASE_VECTOR_PC_RELATIVE): Likewise.  Remove
6659         boiler-plate comments.
6660         (ASM_OUTPUT_ADDR_DIFF_ELT): Use TARGET_MIPS16_SHORT_JUMP_TABLES.
6661         * config/mips/mips.c (mips_code_readable): New variable.
6662         (mips_classify_symbol): Only return SYMBOL_PC_RELATIVE for
6663         MIPS16 labels if TARGET_MIPS16_SHORT_JUMP_TABLES.  Use both the
6664         context and -mcode-readable setting to restrict the use of
6665         SYMBOL_PC_RELATIVE for MIPS16 constant pool references.
6666         Only return TARGET_FORCE_TO_MEM if PC-relative loads are allowed.
6667         (mips_symbolic_constant_p): Handle SYMBOL_32_HIGH.
6668         (mips_blocks_for_constant_p): Only return false for
6669         TARGET_MIPS16_PCREL_LOADS.
6670         (mips_symbol_insns_1): Treat HIGHs as 2 extended instructions
6671         for MIPS16.  Handle SYMBOL_32_HIGH.
6672         (mips_const_insns): Allow HIGHs for MIPS16 too.
6673         (mips_unspec_address_offset): New function, split out from...
6674         (mips_unspec_address): ...here.
6675         (mips_output_move): Handle MIPS16 HIGH moves.  Use "li" to load
6676         16-bit symbolic constants.  Assert approropiate conditions for
6677         using the "la" and "dla" macros.
6678         (mips_handle_option): Handle -mcode-readable=.
6679         (override_options): Use %hi/%lo relocations for TARGET_MIPS16 too.
6680         Set up mips_lo_relocs[SYMBOL_32_HIGH].
6681         (mips_strip_unspec_address): New function, split out from...
6682         (print_operand_reloc): ...here.
6683         (print_operand): Pass constants through mips_strip_unspec_address.
6684         (print_operand_address): Likewise.
6685         (mips_output_mi_thunk): Remove guard of mips16_lay_out_constants.
6686         (mips_select_rtx_section): Remove MIPS16 handling.
6687         (mips16_gp_pseudo_reg): Check currently_expanding_to_rtl.
6688         (mips16_rewrite_pool_refs): Wrap the labels in an address UNSPEC.
6689         (mips16_lay_out_constants): Do nothing unless
6690         TARGET_MIPS16_PCREL_LOADS.
6691         (mips_avoid_hazards): Remove guard of mips16_lay_out_constants.
6692         * config/mips/mips.md: Split HIGHs for MIPS16.
6693         (tablejump): Use TARGET_MIPS16_SHORT_JUMP_TABLES.
6694
6695 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
6696
6697         * config/mips/mips-protos.h (mips_emit_move): Declare.
6698         * config/mips/mips.c (mips_emit_move): New function.
6699         (mips_force_temporary): Use mips_emit_move instead of emit_move_insn.
6700         (mips_legitimize_const_move): Likewise.
6701         (mips_legitimize_move): Likewise.
6702         (mips_split_64bit_move): Likewise.
6703         (mips_restore_gp): Likewise.
6704         (mips_load_call_address): Likewise.
6705         (mips_emit_fcc_reload): Likewise.
6706         (mips_set_return_address): Likewise.
6707         (mips_block_move_straight): Likewise.
6708         (mips_block_move_loop): Likewise.
6709         (mips_setup_incoming_varargs): Likewise.
6710         (mips_save_reg): Likewise.
6711         (mips_expand_prologue): Likewise.
6712         (mips_restore_reg): Likewise.
6713         (mips_expand_epilogue): Likewise.
6714         (mips_output_mi_thunk): Likewise.
6715         (build_mips16_call_stub): Likewise.
6716         (mips_builtin_branch_and_move): Likewise.
6717         * config/mips/mips.h (INITIALIZE_TRAMPOLINE): Likewise.
6718         * config/mips/mips.md (fixuns_truncdfsi2): Likewise.
6719         (fixuns_truncdfdi2): Likewise.
6720         (fixuns_truncsfsi2): Likewise.
6721         (fixuns_truncsfdi2): Likewise.
6722         (loadgp_absolute): Likewise.
6723         (builtin_setjmp_setup): Likewise.
6724         (builtin_longjmp): Likewise.
6725         (untyped_call): Likewise.
6726
6727 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
6728
6729         * config/mips/mips-protos.h (mips_split_symbol): Add a mode and
6730         an "rtx *" argument.  Return a bool.
6731         * config/mips/mips.c (mips_split_symbol): Accept arbitrary source
6732         values and return true if they can be split.  Take the same kind of
6733         mode argument as mips_symbol_insns.  Add a "lo_sum_out" parameter
6734         and store the lo_sum there if nonnull.  Use the symbol type to
6735         determine whether a $gp or HIGH is needed.
6736         (mips_legitimize_address): Update call to mips_split_symbol and
6737         simplify accordingly.
6738         (mips_legitimize_const_move): Likewise.
6739         * config/mips/mips.md: In the combine define_split,
6740         check mips_split_symbol instead of splittable_symbolic_operand.
6741         Update use of mips_split_symbol in the generator code.
6742         * config/mips/predicates.md (splittable_symbolic_operand): Delete.
6743
6744 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
6745
6746         * config/mips/mips.c (mips_symbolic_address_p): Delete.
6747         (mips_symbol_insns_1): New function, split out from...
6748         (mips_symbol_insns): ...here.  Take a mode argument.  Treat loads
6749         and stores separately from load addresses.
6750         (mips_classify_address): Replace uses of mips_symbolic_address_p
6751         with uses of mips_symbol_insns.
6752         (mips_address_insns): Update calls to mips_symbol_insns.
6753         (mips_const_insns): Likewise.
6754         (mips_legitimize_address): Likewise.
6755
6756 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
6757
6758         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): New symbol type.
6759         * config/mips/mips.c (mips_classify_symbol): Skip TARGET_ABICALLS
6760         block for locally-binding symbols if TARGET_ABSOLUTE_ABICALLS.
6761         Return SYMBOL_FORCE_TO_MEM instead of SYMBOL_ABSOLUTE for
6762         non-call contexts if TARGET_MIPS16.
6763         (mips_symbolic_constant_p): Handle SYMBOL_FORCE_TO_MEM.
6764         (mips_symbolic_address_p): Likewise.  Remove special TARGET_MIPS16
6765         code for SYMBOL_ABSOLUTE.
6766         (mips_symbol_insns): Likewise.
6767
6768 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
6769
6770         * config/mips/mips-protos.h (mips_symbol_context): New enumeration.
6771         * config/mips/mips.c (mips_classify_symbol): Take a context argument.
6772         (mips_symbolic_constant_p): Likewise.  Update the call to
6773         mips_classify_symbol.
6774         (mips_classify_address): Update the calls to mips_symbolic_constant_p.
6775         (mips_const_insns): Likewise.  Update the call to mips_classify_symbol.
6776         (mips_legitimize_address): Update the call to mips_symbolic_constant_p.
6777         (print_operand_reloc): Add a context argument.  Update the call to
6778         mips_symbolic_constant_p.
6779         (print_operand): Update the calls to print_operand_reloc.
6780         (print_operand_address): Use print_operand_reloc rather than
6781         print_operand.
6782         (mips_rewrite_small_data_p): Add a context argument.  Update the call
6783         to mips_symbolic_constant_p.
6784         (mips_small_data_pattern_1): Make DATA the containing mem.
6785         Update the call to mips_rewrite_small_data_p.
6786         (mips_rewrite_small_data_1): Likewise.
6787         (mips_use_anchors_for_symbol_p): Update the call to
6788         mips_symbolic_constant_p.
6789         * config/mips/predicates.md (const_call_insn_operand): Likewise.
6790         (splittable_symbolic_operand): Likewise.
6791         (move_operand): Likewise.
6792         (absolute_symbolic_operand): Likewise.
6793         (got_disp_operand): Likewise.
6794         (got_page_ofst_operand): Likewise.
6795
6796 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
6797
6798         * config/mips/mips-protos.h (SYMBOL_GENERAL): Rename to...
6799         (SYMBOL_ABSOLUTE): ...this.
6800         (SYMBOL_SMALL_DATA): Rename to...
6801         (SYMBOL_GP_RELATIVE): ...this.
6802         (SYMBOL_CONSTANT_POOL): Rename to...
6803         (SYMBOL_PC_RELATIVE): ...this.
6804         * config/mips/mips.c (mips_classify_symbol, mips_symbolic_constant_p)
6805         (mips_symbolic_address_p, mips_symbol_insns, override_options)
6806         (mips_rewrite_small_data_p, mips_use_anchors_for_symbol_p): Update
6807         after above changes.
6808         * config/mips/predicates.md (const_call_insn_operand): Likewise.
6809         (general_symbolic_operand): Rename to...
6810         (absolute_symbolic_operand): ...this.
6811         * config/mips/mips.md: Update after above changes.
6812
6813 2007-08-08  Vladimir Yanovsky  <yanov@il.ibm.com>
6814             Revital Eres  <eres@il.ibm.com>
6815
6816         * ddg.c (print_ddg): Add dump information.
6817         * modulo-sched.c (print_node_sched_params): Add parameter and
6818         verbosity.
6819         (calculate_maxii): Remove function.
6820         (undo_generate_reg_moves): Likewise.
6821         (undo_permute_partial_schedule): Likewise.
6822         (kernel_number_of_cycles): Likewise.
6823         (MAXII_FACTOR): New definition to calculate the upper bound of II.
6824         (sms_schedule): Use it.  Remove profitability checks.
6825         (sms_schedule_by_order): Fix order of nodes within the cycle.
6826
6827 2007-08-08  Samuel Thibault  <samuel.thibault@ens-lyon.org>
6828
6829         * config/i386/gnu.h (STARTFILE_SPEC): Use gcrt0.o in profile mode, add
6830         -profile option, add pie support.
6831         (ENDFILE_SPEC): New spec.
6832         * config/gnu.h (LIB_SPEC): Add -profile option.
6833
6834 2007-08-08  Samuel Thibault  <samuel.thibault@ens-lyon.org>
6835
6836         * config/i386/gnu.h (CPP_SPEC): Add -pthread option.
6837         * config/gnu.h (LIB_SPEC): Likewise.
6838
6839 2007-08-07  Yaz Saito  <saito@google.com>
6840             Ian Lance Taylor  <iant@google.com>
6841
6842         * common.opt (finstrument-functions-exclude-function-list): New
6843         option.
6844         (finstrument-functions-exclude-file-list): New option.
6845         * opts.c (char_p): Define and DEF_VEC.
6846         (flag_instrument_functions_exclude_functions): New static
6847         variable.
6848         (flag_instrument_functions_exclude_files): New static variable.
6849         (add_instrument_functions_exclude_list): New static function.
6850         (flag_instrument_functions_exclude_p): New function.
6851         (common_handle_option): Handle new options.
6852         * flags.h (flag_instrument_functions_exclude_p): Declare.
6853         * gimplify.c (gimplify_function_tree): Call
6854         flag_instrument_functions_exclude_p.
6855         * doc/invoke.texi (Option Summary): Mention new options.
6856         (Code Gen Options): Document new options.
6857
6858 2007-08-07  Ian Lance Taylor  <iant@google.com>
6859
6860         PR rtl-optimization/32776
6861         * lower-subreg.c (resolve_clobber): Call resolve_reg_notes.
6862         (resolve_use): Likewise.
6863         (decompose_multiword_subregs): Remove "changed" local variable.
6864
6865 2007-08-07  Carlos O'Donell  <carlos@codesourcery.com>
6866
6867         * configure.ac: Define HAVE_GNU_AS if $gas_flag is yes.
6868         * configure: Regenerate.
6869         * config.in: Regenerate.
6870         * gcc.c [HAVE_GNU_AS]: Add "%{v} %{w:-W} %{I*} " to asm_options
6871         spec string.
6872
6873 2007-08-07  Ian Lance Taylor  <iant@google.com>
6874
6875         * lower-subreg.c (resolve_clobber): If the clobber has a LIBCALL
6876         note, just delete the insn.
6877
6878 2007-08-07  Andreas Schwab  <schwab@suse.de>
6879
6880         PR bootstrap/32973
6881         * gengtype-lex.l: Ignore backslash/newline pair while scanning a
6882         struct definition.
6883
6884 2007-08-07  Andreas Krebbel  <krebbel1@de.ibm.com>
6885
6886         * lower-subreg.c (resolve_subreg_use): Remove assertion.
6887         (find_decomposable_shift_zext, resolve_shift_zext): New functions.
6888         (decompose_multiword_subregs): Use the functions above to decompose
6889         multiword shifts and zero-extends.
6890
6891 2007-08-07  Rask Ingemann Lambertsen  <rask@sygehus.dk>
6892
6893         * doc/sourcebuild.texi (Test Directives): Fix "compile" and
6894         "assemble" descriptions which were swapped.
6895
6896 2007-08-06  Chao-ying Fu  <fu@mips.com>
6897
6898         * fixed-value.h: New file.
6899         * fixed-value.c: New file.
6900         * Makefile.in (OBJS-common): Add fixed-value.o.
6901         (fixed-value.o): New rule.
6902         (GTFILES): Add fixed-value.h.
6903         * double-int.c (double_int_scmp): We should use unsigned HOST_WIDE_INT
6904         to compare a.low and b.low.
6905         * gengtype.c (main): Handle FIXED_VALUE_TYPE type as scalar typedef.
6906
6907 2007-08-06  H.J. Lu  <hongjiu.lu@intel.com>
6908             Daniel Jacobowitz  <dan@codesourcery.com>
6909
6910         PR target/31868
6911         * config.gcc (x86_64-*-freebsd*): Add i386/t-crtstuff to
6912         tmake_file.
6913         (x86_64-*-netbsd*): Likewise.
6914         (x86_64-*-linux*): Likewise.
6915         (x86_64-*-kfreebsd*-gnu): Likewise.
6916         (x86_64-*-knetbsd*-gnu): Likewise.
6917         (i[34567]86-*-solaris2.1[0-9]*): Likewise.
6918
6919         * config/i386/t-linux64 (CRTSTUFF_T_CFLAGS): Removed.
6920
6921         * config/i386/t-crtstuff (CRTSTUFF_T_CFLAGS): Update comments.
6922         Add -fno-asynchronous-unwind-tables.
6923
6924         * config/t-freebsd (CRTSTUFF_T_CFLAGS_S): Add $(CRTSTUFF_T_CFLAGS).
6925         * config/t-libc-ok (CRTSTUFF_T_CFLAGS_S): Likewise.
6926         * config/t-lynx (CRTSTUFF_T_CFLAGS_S): Likewise.
6927         * config/t-netbsd (CRTSTUFF_T_CFLAGS_S): Likewise.
6928         * config/t-svr4 (CRTSTUFF_T_CFLAGS_S): Likewise.
6929
6930 2007-08-06  Steve Ellcey  <sje@cup.hp.com>
6931
6932         * config/ia64/ia64.c (ia64_c_mode_for_suffix): New.
6933         (TARGET_C_MODE_FOR_SUFFIX): New.
6934
6935 2007-08-06  Steve Ellcey  <sje@cup.hp.com>
6936
6937         * config/ia64/div.md (m2subrf4_cond): Change 'g' to 'G'.
6938
6939 2007-08-06  Steve Ellcey  <sje@cup.hp.com>
6940
6941         * config/ia64/ia64.h (MODES_TIEABLE_P): Fix typo.
6942
6943 2007-08-06  H.J. Lu  <hongjiu.lu@intel.com>
6944
6945         * config/i386/i386.md: Check TARGET_ macros and optimize_size
6946         before checking function returns in conditional expressions.
6947
6948 2007-08-06  Alfred Minarik  <a.minarik@aon.at>
6949
6950         PR pch/13676
6951         * doc/invoke.texi: Add .hp, .hxx, .hpp, .h, .HPP, .tcc as c++ header.
6952
6953 2008-08-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6954
6955         PR middle-end/32988
6956         * tree.c (build2_stat): Instead of checking for INTEGER_TYPE, check
6957         for INTEGRAL_TYPE_P.
6958
6959 2008-08-05  Paolo Bonzini  <bonzini@gnu.org>
6960
6961         * configure.ac: Remove --enable-checking=df from default settings.
6962         * tree-pass.h (TODO_df_verify): New.  Shift TODO_mark_first_instance.
6963         * df-core.c (df_finish_pass) [ENABLE_CHECKING]: Schedule verification
6964         if the parameter is true.
6965         (df_analyze) [!ENABLE_DF_CHECKING]: Also do verification if the
6966         DF_VERIFY_SCHEDULED flag is true.
6967         * df.h (enum df_changeable_flags): Add DF_VERIFY_SCHEDULED.
6968         (df_finish_pass): Adjust prototype.
6969         * passes.c (execute_todo): Schedule verification if TODO_df_verify is
6970         true.
6971
6972         * see.c (pass_see): Add TODO_df_verify.
6973         * loop-init.c (pass_rtl_move_loop_invariants): Add TODO_df_verify.
6974         * global.c (rest_of_handle_global_alloc): Schedule verification
6975         after the pass.
6976         * local-alloc.c (rest_of_handle_local_alloc): Schedule verification
6977         before the pass.
6978         * function.c (pass_thread_prologue_and_epilogue): Add TODO_df_verify.
6979         * gcse.c (rest_of_handle_gcse): Adjust call to df_finish_pass.
6980         * loop-iv.c (iv_analysis_done): Schedule verification after the pass.
6981
6982         * config/sh/sh.c (sh_output_mi_thunk): Remove dead code.
6983         * config/ia64/ia64.c (ia64_reorg): Adjust call to df_finish_pass.
6984         * config/bfin/bfin.c (bfin_reorg): Adjust call to df_finish_pass.
6985
6986 2007-08-05  Vladimir Yanovsky  <yanov@il.ibm.com>
6987             Revital Eres <eres@il.ibm.com>
6988
6989         * doc/invoke.texi (-fmodulo-sched-allow-regmoves): Document new
6990         flag.
6991         * ddg.c (create_ddg_dependence): Rename to...
6992         (create_ddg_dep_from_intra_loop_link): This.  Do not check
6993         for interloop edges.  Do not create anti dependence edge when
6994         a true dependence edge exists in the opposite direction and
6995         -fmodulo-sched-allow-regmoves is set.
6996         (build_intra_loop_deps): Call create_ddg_dep_from_intra_loop_link.
6997         (add_cross_iteration_register_deps): Create anti dependence edge
6998         when -fno-modulo-sched-allow-regmoves is set.
6999         * common.opt (-fmodulo-sched-allow-regmoves): New flag.
7000
7001 2007-08-04  Richard Sandiford  <richard@codesourcery.com>
7002
7003         * config/arm/arm.md (movsi): Add braces.
7004
7005 2007-08-04  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7006
7007         PR middle-end/32780
7008         * fold-const.c (fold_binary <case MINUS_EXPR>): Fix the type of
7009         operands for the folding of "A - (A & B)" into "~B & A"; cast them
7010         to type.
7011
7012 2007-08-03  Zdenek Dvorak  <ook@ucw.cz>
7013
7014         * tree-ssa-threadupdate.c (thread_through_all_blocks): Use loops'
7015         state accessor functions.
7016         * cfgloopmanip.c (remove_path, create_preheaders,
7017         force_single_succ_latches, fix_loop_structure): Ditto.
7018         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa,
7019         tree_duplicate_loop_to_header_edge): Ditto.
7020         * cfgloopanal.c (mark_irreducible_loops): Ditto.
7021         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize):
7022         Ditto.
7023         * tree-cfgcleanup.c (cleanup_tree_cfg_noloop, repair_loop_structures,
7024         cleanup_tree_cfg): Ditto.
7025         * tree-cfg.c (tree_merge_blocks): Ditto.
7026         * cfgloop.c (rescan_loop_exit, record_loop_exits,
7027         release_recorded_exits, get_loop_exit_edges, verify_loop_structure,
7028         loop_preheader_edge, single_exit): Ditto.
7029         (flow_loops_find): Do not clear loops->state.
7030         * cfgloop.h (loops_state_satisfies_p, loops_state_set,
7031         loops_state_clear): New functions.
7032
7033 2007-08-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7034
7035         PR middle-end/32399
7036         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
7037         when adding to the base and convert ELT to sizetype instead of type.
7038
7039 2007-08-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7040
7041         PR middle-end/32304
7042         * ipa-reference.c (has_proper_scope_for_analysis): Return false when
7043         the decl's type has TYPE_NEEDS_CONSTRUCTING set.
7044
7045 2007-08-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7046
7047         PR middle-end/32935
7048         * fold-convert.c (fold_negate_expr <NOP_EXPR>): Convert back to the
7049          correct type the negate expression.
7050
7051 2007-08-03  Jan Hubicka  <jh@suse.cz>
7052
7053         * i386.c (setup_incoming_varargs_64): Tolerate 64bit preferred
7054         stack boundary.
7055
7056 2007-08-03  David Edelsohn  <edelsohn@gnu.org>
7057
7058         * config/rs6000/rs6000.c (struct processor_cost): Change
7059         l1_cache_lines to l1_cache_size.  Add l2_cache_size.
7060         (*_cost): Convert l1 cache information to kilobytes.  Add l2 cache
7061         information.
7062         (rios1_costs, rios2_cost): Correct cache line size.
7063         (rs6000_override_options): Set l2-cache-size parameter.
7064
7065 2007-08-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7066             Diego Novillo  <dnovillo@google.com>
7067
7068         PR 31521
7069         * tree-vrp.c (simplify_div_or_mod_using_ranges): Also simplify
7070         if the range includes 0.
7071
7072 2007-08-03  Ben Elliston  <bje@au.ibm.com>
7073
7074         * config/spu/spu.md (dftsv, dftsv_celledp): Attach the appropriate
7075         mode to unspec expressions to silence a warning from the generator
7076         programs.
7077         
7078 2007-08-02  Steve Ellcey  <sje@cup.hp.com>
7079
7080         * config/ia64/constraints.md ("U"): Make constraint vector only.
7081
7082 2007-08-02  Nathan Froyd  <froydnj@codesourcery.com>
7083
7084         PR middle-end/25446
7085         * c-objc-common.c (c_cannot_inline_tree_fn): Check for an
7086         always_inline attribute on the function decl.
7087
7088 2007-08-02  Nathan Froyd  <froydnj@codesourcery.com>
7089
7090         PR middle-end/25445
7091         * varasm.c (default_binds_local_p_1): Consult flag_whole_program
7092         if we are compiling with -fPIC.
7093
7094 2007-08-02  Sandra Loosemore  <sandra@codesourcery.com>
7095             Nigel Stephens  <nigel@mips.com>
7096
7097         * longlong.h [__mips__] (count_leading_zeros, COUNT_LEADING_ZEROS_0):
7098         Define for MIPS32 and MIPS64.
7099
7100 2007-08-02  Nick Clifton  <nickc@redhat.com>
7101
7102         * config/host-hpux.c: Change copyright header to refer to version
7103         3 of the GNU General Public License and to point readers at the
7104         COPYING3 file and the FSF's license web page.
7105         * config/alpha/predicates.md, config/alpha/vms-ld.c,
7106         config/alpha/linux.h, config/alpha/alpha.opt,
7107         config/alpha/linux-elf.h, config/alpha/vms.h, config/alpha/elf.h,
7108         config/alpha/vms-unwind.h, config/alpha/ev4.md,
7109         config/alpha/ev6.md, config/alpha/alpha.c, config/alpha/vms-cc.c,
7110         config/alpha/alpha.h, config/alpha/sync.md,
7111         config/alpha/openbsd.h, config/alpha/alpha.md,
7112         config/alpha/alpha-modes.def, config/alpha/ev5.md,
7113         config/alpha/alpha-protos.h, config/alpha/freebsd.h,
7114         config/alpha/osf5.h, config/alpha/netbsd.h, config/alpha/vms64.h,
7115         config/alpha/constraints.md, config/alpha/osf.h,
7116         config/alpha/xm-vms.h, config/alpha/unicosmk.h, config/linux.h,
7117         config/frv/predicates.md, config/frv/frv.h, config/frv/linux.h,
7118         config/frv/frv.md, config/frv/frv.opt, config/frv/frv-modes.def,
7119         config/frv/frv-asm.h, config/frv/frv-protos.h,
7120         config/frv/frv-abi.h, config/frv/frv.c, config/s390/tpf.h,
7121         config/s390/s390.c, config/s390/predicates.md, config/s390/s390.h,
7122         config/s390/linux.h, config/s390/tpf.md, config/s390/tpf.opt,
7123         config/s390/2064.md, config/s390/2084.md, config/s390/s390.md,
7124         config/s390/s390.opt, config/s390/s390-modes.def,
7125         config/s390/fixdfdi.h, config/s390/constraints.md,
7126         config/s390/s390-protos.h, config/s390/s390x.h, config/elfos.h,
7127         config/dbxcoff.h, config/m32c/predicates.md, config/m32c/cond.md,
7128         config/m32c/m32c.c, config/m32c/minmax.md, config/m32c/blkmov.md,
7129         config/m32c/m32c-pragma.c, config/m32c/m32c.h,
7130         config/m32c/prologue.md, config/m32c/m32c.abi,
7131         config/m32c/muldiv.md, config/m32c/bitops.md, config/m32c/mov.md,
7132         config/m32c/addsub.md, config/m32c/m32c.md, config/m32c/m32c.opt,
7133         config/m32c/t-m32c, config/m32c/m32c-modes.def,
7134         config/m32c/jump.md, config/m32c/shift.md,
7135         config/m32c/m32c-protos.h, config/libgloss.h,
7136         config/spu/spu-protos.h, config/spu/predicates.md,
7137         config/spu/spu-builtins.h, config/spu/spu.c,
7138         config/spu/spu-builtins.def, config/spu/spu-builtins.md,
7139         config/spu/spu.h, config/spu/spu-elf.h, config/spu/constraints.md,
7140         config/spu/spu.md, config/spu/spu-c.c, config/spu/spu.opt,
7141         config/spu/spu-modes.def, config/spu/t-spu-elf, config/interix.h,
7142         config/sparc/hypersparc.md, config/sparc/predicates.md,
7143         config/sparc/linux.h, config/sparc/sp64-elf.h,
7144         config/sparc/supersparc.md, config/sparc/cypress.md,
7145         config/sparc/openbsd1-64.h, config/sparc/openbsd64.h,
7146         config/sparc/niagara.md, config/sparc/sparc.md,
7147         config/sparc/long-double-switch.opt, config/sparc/ultra3.md,
7148         config/sparc/sparc.opt, config/sparc/sync.md,
7149         config/sparc/sp-elf.h, config/sparc/sparc-protos.h,
7150         config/sparc/ultra1_2.md, config/sparc/biarch64.h,
7151         config/sparc/sparc.c, config/sparc/little-endian.opt,
7152         config/sparc/sysv4-only.h, config/sparc/sparc.h,
7153         config/sparc/linux64.h, config/sparc/freebsd.h,
7154         config/sparc/sol2.h, config/sparc/rtemself.h,
7155         config/sparc/netbsd-elf.h, config/sparc/vxworks.h,
7156         config/sparc/sparc-modes.def, config/sparc/sparclet.md,
7157         config/sparc/sysv4.h, config/vx-common.h, config/netbsd-aout.h,
7158         config/flat.h, config/m32r/m32r.md, config/m32r/predicates.md,
7159         config/m32r/little.h, config/m32r/m32r.c, config/m32r/m32r.opt,
7160         config/m32r/linux.h, config/m32r/constraints.md,
7161         config/m32r/m32r.h, config/m32r/m32r-protos.h, config/vxworks.opt,
7162         config/darwin-c.c, config/darwin.opt, config/i386/i386.h,
7163         config/i386/cygming.h, config/i386/linux.h, config/i386/cygwin.h,
7164         config/i386/i386.md, config/i386/netware-crt0.c,
7165         config/i386/sco5.h, config/i386/mmx.md, config/i386/vx-common.h,
7166         config/i386/kaos-i386.h, config/i386/winnt-stubs.c,
7167         config/i386/netbsd64.h, config/i386/djgpp.h, config/i386/gas.h,
7168         config/i386/sol2.h, config/i386/constraints.md,
7169         config/i386/netware-libgcc.c, config/i386/sysv5.h,
7170         config/i386/predicates.md, config/i386/geode.md,
7171         config/i386/x86-64.h, config/i386/kfreebsd-gnu.h,
7172         config/i386/freebsd64.h, config/i386/vxworksae.h,
7173         config/i386/pentium.md, config/i386/lynx.h, config/i386/i386elf.h,
7174         config/i386/rtemself.h, config/i386/netbsd-elf.h,
7175         config/i386/ppro.md, config/i386/k6.md, config/i386/netware.c,
7176         config/i386/netware.h, config/i386/i386-modes.def,
7177         config/i386/sysv4-cpp.h, config/i386/i386-interix.h,
7178         config/i386/cygwin1.c, config/i386/djgpp.opt, config/i386/uwin.h,
7179         config/i386/unix.h, config/i386/ptx4-i.h, config/i386/xm-djgpp.h,
7180         config/i386/att.h, config/i386/winnt.c, config/i386/beos-elf.h,
7181         config/i386/sol2-10.h, config/i386/darwin64.h, config/i386/sse.md,
7182         config/i386/i386.opt, config/i386/bsd.h, config/i386/cygming.opt,
7183         config/i386/xm-mingw32.h, config/i386/linux64.h,
7184         config/i386/openbsdelf.h, config/i386/xm-cygwin.h,
7185         config/i386/sco5.opt, config/i386/darwin.h, config/i386/mingw32.h,
7186         config/i386/winnt-cxx.c, config/i386/i386-interix3.h,
7187         config/i386/nwld.c, config/i386/nwld.h, config/i386/host-cygwin.c,
7188         config/i386/cygwin2.c, config/i386/i386-protos.h,
7189         config/i386/sync.md, config/i386/openbsd.h,
7190         config/i386/host-mingw32.c, config/i386/i386-aout.h,
7191         config/i386/nto.h, config/i386/biarch64.h,
7192         config/i386/i386-coff.h, config/i386/freebsd.h,
7193         config/i386/driver-i386.c, config/i386/knetbsd-gnu.h,
7194         config/i386/host-i386-darwin.c, config/i386/vxworks.h,
7195         config/i386/crtdll.h, config/i386/i386.c, config/i386/sysv4.h,
7196         config/darwin-protos.h, config/linux.opt, config/sol2.c,
7197         config/sol2.h, config/sh/symbian.c, config/sh/sh-protos.h,
7198         config/sh/linux.h, config/sh/elf.h, config/sh/superh.h,
7199         config/sh/sh4.md, config/sh/coff.h, config/sh/newlib.h,
7200         config/sh/embed-elf.h, config/sh/symbian-pre.h, config/sh/rtems.h,
7201         config/sh/kaos-sh.h, config/sh/sh4a.md, config/sh/constraints.md,
7202         config/sh/sh64.h, config/sh/sh.opt, config/sh/symbian-post.h,
7203         config/sh/sh-c.c, config/sh/predicates.md, config/sh/sh.c,
7204         config/sh/sh.h, config/sh/shmedia.md, config/sh/sh-modes.def,
7205         config/sh/little.h, config/sh/sh1.md, config/sh/sh4-300.md,
7206         config/sh/superh64.h, config/sh/rtemself.h,
7207         config/sh/netbsd-elf.h, config/sh/sh.md, config/sh/vxworks.h,
7208         config/usegas.h, config/svr3.h, config/pdp11/pdp11-protos.h,
7209         config/pdp11/2bsd.h, config/pdp11/pdp11.md, config/pdp11/pdp11.c,
7210         config/pdp11/pdp11.opt, config/pdp11/pdp11-modes.def,
7211         config/pdp11/pdp11.h, config/avr/rtems.h, config/avr/avr-protos.h,
7212         config/avr/predicates.md, config/avr/constraints.md,
7213         config/avr/avr.md, config/avr/avr.c, config/avr/avr.opt,
7214         config/avr/avr.h, config/sol2-protos.h, config/dbxelf.h,
7215         config/lynx.opt, config/crx/crx.h, config/crx/crx-protos.h,
7216         config/crx/crx.md, config/crx/crx.c, config/crx/crx.opt,
7217         config/c4x/c4x-c.c, config/c4x/c4x.c, config/c4x/c4x.opt,
7218         config/c4x/c4x-modes.def, config/c4x/rtems.h,
7219         config/c4x/predicates.md, config/c4x/c4x.h,
7220         config/c4x/c4x-protos.h, config/c4x/c4x.md, config/kfreebsd-gnu.h,
7221         config/xtensa/predicates.md, config/xtensa/xtensa.c,
7222         config/xtensa/linux.h, config/xtensa/xtensa.h,
7223         config/xtensa/elf.h, config/xtensa/xtensa.md,
7224         config/xtensa/xtensa.opt, config/xtensa/constraints.md,
7225         config/xtensa/xtensa-protos.h, config/dbx.h,
7226         config/stormy16/predicates.md, config/stormy16/stormy16.md,
7227         config/stormy16/stormy16.c, config/stormy16/stormy16.opt,
7228         config/stormy16/stormy16.h, config/stormy16/stormy16-protos.h,
7229         config/host-solaris.c, config/fr30/fr30.h,
7230         config/fr30/predicates.md, config/fr30/fr30-protos.h,
7231         config/fr30/fr30.md, config/fr30/fr30.c, config/fr30/fr30.opt,
7232         config/vxworksae.h, config/sol2-c.c, config/lynx.h,
7233         config/m68hc11/m68hc11-protos.h, config/m68hc11/predicates.md,
7234         config/m68hc11/m68hc11.md, config/m68hc11/m68hc11.c,
7235         config/m68hc11/m68hc11.opt, config/m68hc11/m68hc11.h,
7236         config/m68hc11/m68hc12.h, config/openbsd-oldgas.h,
7237         config/host-linux.c, config/interix3.h, config/cris/cris.c,
7238         config/cris/predicates.md, config/cris/linux.h,
7239         config/cris/cris.h, config/cris/aout.h, config/cris/cris.md,
7240         config/cris/linux.opt, config/cris/cris.opt, config/cris/elf.opt,
7241         config/cris/aout.opt, config/cris/cris-protos.h,
7242         config/vxworks-dummy.h, config/netbsd.h, config/netbsd-elf.h,
7243         config/iq2000/iq2000.h, config/iq2000/predicates.md,
7244         config/iq2000/iq2000-protos.h, config/iq2000/iq2000.md,
7245         config/iq2000/iq2000.c, config/iq2000/iq2000.opt,
7246         config/host-darwin.c, config/mt/mt.md, config/mt/mt.c,
7247         config/mt/mt.opt, config/mt/t-mt, config/mt/mt.h,
7248         config/mt/mt-protos.h, config/svr4.h, config/host-darwin.h,
7249         config/chorus.h, config/mn10300/mn10300.c,
7250         config/mn10300/mn10300.opt, config/mn10300/predicates.md,
7251         config/mn10300/mn10300.h, config/mn10300/linux.h,
7252         config/mn10300/constraints.md, config/mn10300/mn10300-protos.h,
7253         config/mn10300/mn10300.md, config/ia64/predicates.md,
7254         config/ia64/itanium1.md, config/ia64/unwind-ia64.h,
7255         config/ia64/ia64-c.c, config/ia64/sync.md, config/ia64/ia64.c,
7256         config/ia64/itanium2.md, config/ia64/ia64.h, config/ia64/vect.md,
7257         config/ia64/freebsd.h, config/ia64/ia64.md,
7258         config/ia64/ia64-modes.def, config/ia64/constraints.md,
7259         config/ia64/hpux.h, config/ia64/ia64-protos.h, config/windiss.h,
7260         config/gofast.h, config/rtems.h, config/sol2-10.h,
7261         config/m68k/predicates.md, config/m68k/m68k.md,
7262         config/m68k/linux.h, config/m68k/m68k-modes.def,
7263         config/m68k/print-sysroot-suffix.sh, config/m68k/m68k-protos.h,
7264         config/m68k/coff.h, config/m68k/m68k-none.h, config/m68k/ieee.opt,
7265         config/m68k/openbsd.h, config/m68k/m68k-aout.h,
7266         config/m68k/m68k.opt, config/m68k/m68020-elf.h,
7267         config/m68k/m68kelf.h, config/m68k/m68k-devices.def,
7268         config/m68k/uclinux-oldabi.h, config/m68k/m68k.c,
7269         config/m68k/constraints.md, config/m68k/rtemself.h,
7270         config/m68k/netbsd-elf.h, config/m68k/m68k.h,
7271         config/m68k/uclinux.h, config/rs6000/power4.md,
7272         config/rs6000/host-darwin.c, config/rs6000/6xx.md,
7273         config/rs6000/linux.h, config/rs6000/eabi.h,
7274         config/rs6000/aix41.opt, config/rs6000/xcoff.h,
7275         config/rs6000/secureplt.h, config/rs6000/linuxspe.h,
7276         config/rs6000/eabialtivec.h, config/rs6000/8540.md,
7277         config/rs6000/darwin8.h, config/rs6000/kaos-ppc.h,
7278         config/rs6000/windiss.h, config/rs6000/603.md,
7279         config/rs6000/aix41.h, config/rs6000/cell.md,
7280         config/rs6000/mpc.md, config/rs6000/aix43.h, config/rs6000/beos.h,
7281         config/rs6000/gnu.h, config/rs6000/rtems.h, config/rs6000/aix.opt,
7282         config/rs6000/darwin.md, config/rs6000/darwin64.h,
7283         config/rs6000/default64.h, config/rs6000/7xx.md,
7284         config/rs6000/darwin.opt, config/rs6000/spe.md,
7285         config/rs6000/rs6000.opt, config/rs6000/rs6000-c.c,
7286         config/rs6000/rios2.md, config/rs6000/linuxaltivec.h,
7287         config/rs6000/7450.md, config/rs6000/linux64.h,
7288         config/rs6000/constraints.md, config/rs6000/440.md,
7289         config/rs6000/darwin.h, config/rs6000/host-ppc64-darwin.c,
7290         config/rs6000/rs6000.c, config/rs6000/aix52.h,
7291         config/rs6000/rs6000.h, config/rs6000/power6.md,
7292         config/rs6000/predicates.md, config/rs6000/altivec.md,
7293         config/rs6000/aix64.opt, config/rs6000/rios1.md,
7294         config/rs6000/rs6000-modes.def, config/rs6000/rs64.md,
7295         config/rs6000/eabisim.h, config/rs6000/sysv4le.h,
7296         config/rs6000/darwin7.h, config/rs6000/dfp.md,
7297         config/rs6000/linux64.opt, config/rs6000/sync.md,
7298         config/rs6000/vxworksae.h, config/rs6000/power5.md,
7299         config/rs6000/lynx.h, config/rs6000/biarch64.h,
7300         config/rs6000/rs6000.md, config/rs6000/sysv4.opt,
7301         config/rs6000/eabispe.h, config/rs6000/e500.h,
7302         config/rs6000/freebsd.h, config/rs6000/rs6000-protos.h,
7303         config/rs6000/netbsd.h, config/rs6000/e500-double.h,
7304         config/rs6000/aix.h, config/rs6000/vxworks.h,
7305         config/rs6000/40x.md, config/rs6000/aix51.h,
7306         config/rs6000/sysv4.h, config/arc/arc-protos.h, config/arc/arc.md,
7307         config/arc/arc.c, config/arc/arc.opt, config/arc/arc-modes.def,
7308         config/arc/arc.h, config/mcore/mcore-elf.h,
7309         config/mcore/mcore-protos.h, config/mcore/predicates.md,
7310         config/mcore/mcore.md, config/mcore/mcore.c,
7311         config/mcore/mcore.opt, config/mcore/mcore.h,
7312         config/mcore/mcore-pe.h, config/darwin.c, config/freebsd-nthr.h,
7313         config/score/predicates.md, config/score/score-version.h,
7314         config/score/score-protos.h, config/score/misc.md,
7315         config/score/elf.h, config/score/score.c, config/score/mac.md,
7316         config/score/score7.md, config/score/score.h,
7317         config/score/score-conv.h, config/score/score-mdaux.c,
7318         config/score/score.md, config/score/score.opt,
7319         config/score/score-modes.def, config/score/score-mdaux.h,
7320         config/score/mul-div.S, config/arm/uclinux-elf.h,
7321         config/arm/semi.h, config/arm/ecos-elf.h, config/arm/arm1020e.md,
7322         config/arm/symbian.h, config/arm/linux-elf.h,
7323         config/arm/arm1026ejs.md, config/arm/arm1136jfs.md,
7324         config/arm/elf.h, config/arm/aout.h, config/arm/arm.c,
7325         config/arm/thumb2.md, config/arm/vec-common.md, config/arm/coff.h,
7326         config/arm/strongarm-pe.h, config/arm/arm.h,
7327         config/arm/cortex-a8-neon.md, config/arm/semiaof.h,
7328         config/arm/cortex-a8.md, config/arm/uclinux-eabi.h,
7329         config/arm/arm-modes.def, config/arm/linux-eabi.h,
7330         config/arm/rtems-elf.h, config/arm/neon-schedgen.ml,
7331         config/arm/arm-cores.def, config/arm/arm-protos.h,
7332         config/arm/vfp.md, config/arm/aof.h, config/arm/linux-gas.h,
7333         config/arm/wince-pe.h, config/arm/neon.md,
7334         config/arm/constraints.md, config/arm/neon.ml,
7335         config/arm/xscale-elf.h, config/arm/strongarm-coff.h,
7336         config/arm/arm.opt, config/arm/arm926ejs.md,
7337         config/arm/predicates.md, config/arm/iwmmxt.md,
7338         config/arm/arm_neon.h, config/arm/unknown-elf.h,
7339         config/arm/kaos-arm.h, config/arm/bpabi.h, config/arm/pe.opt,
7340         config/arm/neon-testgen.ml, config/arm/arm.md,
7341         config/arm/xscale-coff.h, config/arm/pe.c,
7342         config/arm/arm-generic.md, config/arm/pe.h,
7343         config/arm/kaos-strongarm.h, config/arm/freebsd.h,
7344         config/arm/neon-docgen.ml, config/arm/netbsd.h, config/arm/fpa.md,
7345         config/arm/strongarm-elf.h, config/arm/cirrus.md,
7346         config/arm/netbsd-elf.h, config/arm/vxworks.h,
7347         config/arm/neon-gen.ml, config/kaos.h, config/darwin-driver.c,
7348         config/pa/predicates.md, config/pa/pa64-hpux.h,
7349         config/pa/pa-hpux.opt, config/pa/som.h, config/pa/pa-hpux1010.opt,
7350         config/pa/pa-hpux1111.opt, config/pa/pa-pro-end.h,
7351         config/pa/elf.h, config/pa/fptr.c, config/pa/pa64-linux.h,
7352         config/pa/pa.md, config/pa/pa.opt, config/pa/pa-hpux.h,
7353         config/pa/pa-hpux10.h, config/pa/pa-hpux11.h,
7354         config/pa/pa-hpux1010.h, config/pa/pa-protos.h,
7355         config/pa/pa-osf.h, config/pa/pa-hpux1111.h, config/pa/pa-64.h,
7356         config/pa/milli64.S, config/pa/pa.c, config/pa/pa-linux.h,
7357         config/pa/pa.h, config/pa/pa32-linux.h, config/pa/pa64-hpux.opt,
7358         config/pa/pa64-regs.h, config/pa/pa-modes.def,
7359         config/pa/constraints.md, config/darwin9.h, config/mips/4100.md,
7360         config/mips/linux.h, config/mips/elfoabi.h, config/mips/elf.h,
7361         config/mips/sdb.h, config/mips/windiss.h, config/mips/rtems.h,
7362         config/mips/3000.md, config/mips/iris5.h, config/mips/5000.md,
7363         config/mips/7000.md, config/mips/9000.md, config/mips/4600.md,
7364         config/mips/linux64.h, config/mips/elforion.h,
7365         config/mips/constraints.md, config/mips/generic.md,
7366         config/mips/predicates.md, config/mips/4300.md,
7367         config/mips/mips-ps-3d.md, config/mips/iris.h, config/mips/24k.md,
7368         config/mips/mips.md, config/mips/mips.opt, config/mips/4k.md,
7369         config/mips/5k.md, config/mips/vr4120-div.S,
7370         config/mips/openbsd.h, config/mips/iris6.h, config/mips/4000.md,
7371         config/mips/mips-protos.h, config/mips/6000.md,
7372         config/mips/mips.c, config/mips/mips.h, config/mips/r3900.h,
7373         config/mips/74k.md, config/mips/netbsd.h, config/mips/vxworks.h,
7374         config/mips/mips-modes.def, config/mips/vr.h,
7375         config/soft-fp/t-softfp, config/openbsd.h, config/ptx4.h,
7376         config/freebsd-spec.h, config/vax/vax.c, config/vax/openbsd.h,
7377         config/vax/vax.h, config/vax/elf.h, config/vax/vax.md,
7378         config/vax/bsd.h, config/vax/vax.opt, config/vax/vax-modes.def,
7379         config/vax/openbsd1.h, config/vax/netbsd.h,
7380         config/vax/vax-protos.h, config/vax/netbsd-elf.h,
7381         config/vax/vaxv.h, config/vax/ultrix.h, config/freebsd.h,
7382         config/h8300/rtems.h, config/h8300/predicates.md,
7383         config/h8300/h8300.c, config/h8300/h8300.h, config/h8300/elf.h,
7384         config/h8300/h8300.md, config/h8300/h8300.opt,
7385         config/h8300/coff.h, config/h8300/h8300-protos.h,
7386         config/v850/v850.md, config/v850/predicates.md,
7387         config/v850/v850-c.c, config/v850/v850.c, config/v850/v850.opt,
7388         config/v850/v850.h, config/v850/v850-protos.h, config/vxworks.c,
7389         config/knetbsd-gnu.h, config/sol2-6.h, config/vxworks.h,
7390         config/mmix/mmix.h, config/mmix/predicates.md,
7391         config/mmix/mmix-protos.h, config/mmix/mmix.md,
7392         config/mmix/mmix.c, config/mmix/mmix.opt,
7393         config/mmix/mmix-modes.def, config/bfin/bfin.opt,
7394         config/bfin/rtems.h, config/bfin/bfin-modes.def,
7395         config/bfin/predicates.md, config/bfin/bfin-protos.h,
7396         config/bfin/bfin.c, config/bfin/bfin.h, config/bfin/bfin.md:
7397         Likewise.
7398
7399 2007-08-02  Richard Sandiford  <richard@codesourcery.com>
7400
7401         * emit-rtl.c (reset_used_decls): Rename to...
7402         (set_used_decls): ...this.  Set the used flag rather than clearing it.
7403         (unshare_all_rtl_again): Update accordingly.  Set flags on argument
7404         DECL_RTLs rather than resetting them.
7405
7406 2007-08-02  Andreas Krebbel  <krebbel1@de.ibm.com>
7407
7408         * config/s390/s390.md ("*xordi3_cconly"): Change xr to xg.
7409
7410 2007-08-01  Sandra Loosemore  <sandra@codesourcery.com>
7411
7412         * reload.c (find_reloads_address_part): Pass correct MEMREFLOC
7413         argument to find_reloads_address.
7414
7415 2007-08-01  Daniel Jacobowitz  <dan@codesourcery.com>
7416
7417         PR tree-optimization/32919
7418         * tree-ssa-sccvn.c (visit_phi): Do not visit abnormal PHIs.
7419         * tree-ssa-coalesce.c (ssa_conflicts_dump): New.
7420         (coalesce_ssa_name): Call it.
7421
7422 2007-08-01  Sandra Loosemore  <sandra@codesourcery.com>
7423             David Ung  <davidu@mips.com>
7424
7425         * config/mips/mips16.S (__mips16_unordsf2, __mips16_floatunsisf): New.
7426         (__mips16_unorddf2, __mips16_floatunsidf): New.
7427         * config/mips/mips.c (mips_init_libfuncs): Add optab entries for
7428         above functions.
7429         * config/mips/t-libgcc-mips16 (LIB1ASMFUNCS): Add new functions.
7430
7431 2007-08-01  Zdenek Dvorak  <ook@ucw.cz>
7432
7433         * tree-pretty-print.c (dump_generic_node): Dump OMP_SECTIONS_SWITCH.
7434         Display new operands of OMP_SECTIONS and OMP_CONTINUE.
7435         * tree.h (OMP_SECTIONS_CONTROL): New macro.
7436         (OMP_DIRECTIVE_P): Add OMP_SECTIONS_SWITCH.
7437         * omp-low.c (get_ws_args_for, determine_parallel_type,
7438         expand_omp_for_generic, expand_omp_for_static_nochunk,
7439         expand_omp_for_static_chunk, expand_omp_for, expand_omp_sections):
7440         Work with more precise CFG.
7441         (build_omp_regions_1): Handle OMP_SECTIONS_SWITCH.
7442         (lower_omp_sections): Emit OMP_SECTIONS_SWITCH.  Add arguments to
7443         OMP_CONTINUE.
7444         * tree-gimple.c (is_gimple_stmt): Handle OMP_SECTIONS_SWITCH.
7445         * gimple-low.c (lower_stmt): Ditto.
7446         * tree-inline.c (estimate_num_insns_1): Ditto.
7447         * tree.def (OMP_SECTIONS, OMP_CONTINUE): Added new operands.
7448         (OMP_SECTIONS_SWITCH): New.
7449         * tree-cfgcleanup.c (cleanup_omp_return): New.
7450         (cleanup_tree_cfg_bb): Call cleanup_omp_return.
7451         * tree-cfg.c (make_edges): Create back edges for OMP_CONTINUE
7452         and exit edge for OMP_FOR.  Handle OMP_SECTIONS_SWITCH.
7453         (tree_redirect_edge_and_branch): Handle omp constructs.
7454
7455         * fortran/trans-openmp.c (gfc_trans_omp_sections): Build OMP_SECTIONS
7456         with three arguments.
7457
7458 2007-08-01  Zdenek Dvorak  <ook@ucw.cz>
7459
7460         * tree-cfg.c (tree_merge_blocks): Preserve loop exit phi nodes only
7461         in loop closed ssa.
7462
7463 2007-08-01  Zdenek Dvorak  <ook@ucw.cz>
7464
7465         * tree-ssa-threadupdate.c (thread_through_all_blocks): Record that
7466         the loop structures may need fixing.
7467         * tree-cfgcleanup.c (cleanup_tree_cfg_noloop, repair_loop_structures):
7468         New functions.
7469         (cleanup_tree_cfg_loop): Removed.
7470         (cleanup_tree_cfg): If loops need fixing, call repair_loop_structures.
7471         * tree-predcom.c (tree_predictive_commoning): Return TODO_cleanup_cfg
7472         instead of running cleanup_tree_cfg_loop.
7473         * cfgloop.h (LOOPS_NEED_FIXUP): New constant.
7474         * tree-flow.h (cleanup_tree_cfg_loop): Declaration removed.
7475         (tree_predictive_commoning): Declaration changed.
7476         * passes.c (execute_function_todo): Do not use cleanup_tree_cfg_loop.
7477
7478 2007-08-01  Zdenek Dvorak  <ook@ucw.cz>
7479
7480         * doc/invoke.texi (l1-cache-size): Update documentation.
7481         (l2-cache-size): Document.
7482         * params.h (L2_CACHE_SIZE): New macro.
7483         * tree-ssa-loop-prefetch.c (L1_CACHE_SIZE_BYTES): Reflect
7484         that L1_CACHE_SIZE is in kB now.
7485         (L2_CACHE_SIZE_BYTES): New macro.
7486         (tree_ssa_prefetch_arrays): Show size in kB.
7487         * config/i386/i386.h (struct processor_costs): Add l1_cache_size
7488         and l2_cache_size fields.
7489         * config/i386/driver-i386.c (describe_cache): Detect cache size
7490         in kB.
7491         * config/i386/i386.c (size_cost, i386_cost, i486_cost,pentium_cost,
7492         pentiumpro_cost, geode_cost, k6_cost, athlon_cost, k8_cost,
7493         amdfam10_cost, pentium4_cost, nocona_cost, core2_cost,
7494         generic64_cost, generic32_cost): Add l1_cache_size and l2_cache_size.
7495         (override_options): Set l1-cache-size and l2-cache-size to default
7496         values if not specified otherwise.
7497         * params.def (PARAM_L1_CACHE_SIZE): Change to set in kB.
7498         (PARAM_L2_CACHE_SIZE): New.
7499
7500 2007-08-01  Nigel Stephens  <nigel@mips.com>
7501             David Ung  <davidu@mips.com>
7502             Thiemo Seufer  <ths@mips.com>
7503             Chris Dearman  <chris@mips.com>
7504             Richard Sandiford  <richard@codesourcery.com>
7505
7506         * config.gcc (mips*-sde-elf*): New stanza.
7507         (mipsisa32-*-elf*, mipsisa32el-*-elf*, mipsisa32r2-*-elf*)
7508         (mipsisa32r2el-*-elf*, mipsisa64-*-elf*, mipsisa64el-*-elf*)
7509         (mipsisa64sb1-*-elf*, mipsisa64sb1el-*-elf*, mips-*-elf*)
7510         (mipsel-*-elf*, mips64-*-elf*, mips64el-*-elf*, mips64orion-*-elf*)
7511         (mips64orionel-*-elf*, mips*-*-rtems*, mips-wrs-windiss)
7512         (mipstx39-*-elf*, mipstx39el-*-elf*): Add mips/t-libgcc-mips16
7513         to tmake_file.
7514         * config/mips/sde.h: New file.
7515         * config/mips/t-libgcc-mips16: Likewise.
7516         * config/mips/t-sde: Likewise.
7517         * config/mips/linux.h (TARGET_OS_CPP_BUILTINS): Remove settings
7518         of _ABIN32, _ABI64, _ABIO32, _MIPS_SIM, _MIPS_SZLONG, _MIPS_SZPTR,
7519         _MIPS_FPSET and _MIPS_SZINT.
7520         * config/mips/iris.h (TARGET_OS_CPP_BUILTINS): Likewise.
7521         * config/mips/elfoabi.h (DRIVER_SELF_SPECS): Remove separate
7522         insertion of a default -mips option.  Use MIPS_32BIT_OPTION_SPEC.
7523         * config/mips/t-isa3264 (LIB1ASMSRC, LIB1ASMFUNCS): Delete.
7524         * config/mips/t-r3900 (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
7525         * config/mips/t-elf (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
7526         * config/mips/mips.h (TARGET_CPU_CPP_BUITINS): Define _ABIO32,
7527         _ABIN32, _ABI64, _ABIO64, _MIPS_SIM, _MIPS_SZINT, _MIPS_SZLONG,
7528         _MIPS_SZPTR and _MIPS_FPSET.
7529         (MIPS_ISA_LEVEL_SPEC): Inject the default -mips option if no
7530         architecture is specified.
7531         (MIPS_32BIT_OPTION_SPEC): New macro.
7532
7533 2007-07-31  Dan Hipschman  <dsh@google.com>
7534
7535         * gcc.c (end_going_arg): New function.
7536         (do_spec_2): Use it.
7537         (do_spec_1): Use it.
7538
7539 2007-07-31  H.J. Lu  <hongjiu.lu@intel.com>
7540
7541         * ddg.c (add_cross_iteration_register_deps): Declare bb_info
7542         only if ENABLE_CHECKING is defined.
7543
7544 2007-07-31  Kenneth Zadeck <zadeck@naturalbridge.com>
7545
7546         * df.h (DF_RU, DF_RU_BB_INFO, df_ru_bb_info, df_ru,
7547         df_ru_add_problem, df_ru_get_bb_info): Removed.
7548         (DF_RD, DF_UREC, DF_CHAIN, DF_NOTE): Renumbered.
7549         * df-problems.c (df_ru_problem_data, df_ru_set_bb_info,
7550         df_ru_free_bb_info, df_ru_alloc,
7551         df_ru_bb_local_compute_process_def,
7552         df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
7553         df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
7554         df_ru_transfer_function, df_ru_free, df_ru_start_dump,
7555         df_ru_top_dump, df_ru_bottom_dump, df_problem problem_RU,
7556         df_ru_add_problem): Removed.
7557
7558 2007-07-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7559
7560         PR target/32847
7561         * pa.md (casesi32): Use match_scratch.  Revise insn condition.
7562         (casesi32p, casesi64p): Likewise.
7563         (casesi): Adjust for above.
7564
7565 2007-07-31  Richard Sandiford  <richard@codesourcery.com>
7566
7567         * mode-switching.c (create_pre_exit): Don't search past calls.
7568
7569 2007-07-31  Sandra Loosemore  <sandra@codesourcery.com>
7570
7571         * config/mips/mips.h (ISA_HAS_SYNCI): Add !TARGET_MIPS16 test.
7572
7573 2007-07-31  Revital Eres  <eres@il.ibm.com>
7574
7575         * ddg.c (add_deps_for_def): Rename to...
7576         (add_cross_iteration_register_deps): This.  Change implementation
7577         to use only reaching def and def-use chains to construct the
7578         inter loop dependencies.
7579         (add_deps_for_use): Remove function.
7580         (build_inter_loop_deps): Call add_cross_iteration_register_deps
7581         function to build the inter loop dependencies.
7582         * modulo-sched.c (sms_schedule): Build only
7583         reaching def and def-use chains for the propose of the ddg
7584         construction.
7585
7586 2007-07-31  Julian Brown  <julian@codesourcery.com>
7587
7588         * config/arm/neon.md (vec_set<mode>_internal, vec_setv2di_internal):
7589         New define_insns. Use correct RTL.
7590         (vec_set<mode>): Write as expander.
7591
7592 2007-07-31  Razya Ladelsky  <razya@il.ibm.com>
7593
7594         * matrix-reorg.c (analyze_matrix_allocation_site): Avoid referring 
7595         to an unallocated space.
7596
7597 2007-07-30  Jan Sjodin  <jan.sjodin@amd.com>
7598
7599         * tree-data-ref.c
7600         (split_constant_offset): Enable split_constant_offset to extract
7601         constants from other statements.
7602         * tree-vect-transform.c
7603         (vect_create_addr_base_for_vector_ref): Generate data_ref_base
7604         to a temp var. Force base_offset to be simple.
7605
7606 2007-07-30  Seongbae Park <seongbae.park@gmail.com>
7607
7608         * df-scan.c (df_scan_verify): Remove artificial limit on
7609         the number of blocks for verification.
7610         * df-problems.c (df_lr_bb_local_compute, df_simulate_find_defs,
7611         df_simulate_defs): Avoid unnecessary insn checking for defs.
7612
7613 2007-07-29  Mark Mitchell  <mark@codesourcery.com>
7614
7615         * config/m68k/lb1sf68.asm (FUNC): New macro.
7616         (__mulsi3): Use it.
7617         (__udivsi3): Likewise.
7618         (__divsi3): Likewise.
7619         (__umodsi3): Likewise.
7620         (__modsi3): Likewise.
7621         (__subdf3): Likewise.
7622         (__adddf3): Likewise.
7623         (__muldf3): Likewise.
7624         (__divdf3): Likewise.
7625         (__negdf2): Likewise.
7626         (__cmpdf2): Likewise.
7627         (__subsf3): Likewise.
7628         (__addsf3): Likewise.
7629         (__mulsf3): Likewise.
7630         (__divsf3): Likewise.
7631         (__negsf2): Likewise.
7632         (__cmpsf2): Likewise.
7633         (__eqdf2): Likewise.
7634         (__nedf2): Likewise.
7635         (__gtdf2): Likewise.
7636         (__gedf2): Likewise.
7637         (__ltdf2): Likewise.
7638         (__ledf2): Likewise.
7639         (__eqsf2): Likewise.
7640         (__nesf2): Likewise.
7641         (__gtsf2): Likewise.
7642         (__gesf2): Likewise.
7643         (__ltsf2): Likewise.
7644         (__lesf2): Likewise.
7645
7646 2007-07-30  Ollie Wild  <aaw@google.com>
7647
7648         * c-ppoutput.c (print_lines_directives_only): New function.
7649         (scan_translation_unit_directives_only): New function.
7650         (preprocess_file): Add call to scan_translation_unit_directives_only.
7651         * c-opts.c (c_common_handle_option): Add OPT_fdirectives_only.
7652         (sanitize_cpp_opts): Add default flag_dump_macros setting for
7653         -fdirectives-only.  Add errors for -fdirectives-only conflict with
7654         -Wunused-macros and -traditional.
7655         (finish_options): Add builtin macro initialization for
7656         -fdirectives-only + -fpreprocessed.
7657         * c.opt (fdirectives-only): New.
7658         * doc/cppopts.texi (fdirectives-only): New.
7659
7660 2007-07-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7661
7662         * alias.c (record_set, memory_modified_1): Constify.
7663         * bt-load.c (note_btr_set): Likewise.
7664         * caller-save.c (mark_set_regs, add_stored_regs): Likewise.
7665         * combine.c (set_nonzero_bits_and_sign_copies,
7666         expand_field_assignment, record_dead_and_set_regs_1,
7667         use_crosses_set_p, reg_dead_at_p_1, can_combine_p,
7668         likely_spilled_retval_1): Likewise.
7669         * config/frv/frv.c (frv_registers_update_1, frv_io_check_address,
7670         frv_io_handle_set): Likewise.
7671         * config/mips/mips.c (mips_sim_record_set,
7672         vr4130_true_reg_dependence_p_1): Likewise.
7673         * config/mt/mt.c (insn_dependent_p_1): Likewise.
7674         * config/s390/s390.c (s390_reg_clobbered_rtx): Likewise.
7675         * config/sh/sh.c (flow_dependent_p_1): Likewise.
7676         * cselib.c (cselib_invalidate_rtx_note_stores): Likewise.
7677         * dce.c (mark_nonreg_stores_1, mark_nonreg_stores_2): Likewise.
7678         * ddg.c (mark_mem_store): Likewise.
7679         * df-problems.c (df_urec_mark_reg_change): Likewise.
7680         * function.c (update_epilogue_consts): Likewise.
7681         * gcse.c (record_set_info, record_last_set_info,
7682         mems_conflict_for_gcse_p, canon_list_insert, reg_set_info,
7683         reg_clear_last_set): Likewise.
7684         * global.c (mark_reg_store, mark_reg_clobber, reg_becomes_live):
7685         Likewise.
7686         * jump.c (reversed_comparison_code_parts): Likewise.
7687         * local-alloc.c (validate_equiv_mem_from_store, no_equiv,
7688         reg_is_set): Likewise.
7689         * loop-iv.c (mark_altered): Likewise.
7690         * mode-switching.c (reg_becomes_live): Likewise.
7691         * optabs.c (no_conflict_move_test): Likewise.
7692         * postreload-gcse.c (record_last_set_info, find_mem_conflicts):
7693         Likewise.
7694         * postreload.c (reload_combine_note_store, move2add_note_store):
7695         Likewise.
7696         * regmove.c (flags_set_1): Likewise.
7697         * regrename.c (note_sets, kill_clobbered_value, kill_set_value):
7698         Likewise.
7699         * reload1.c (mark_not_eliminable, forget_old_reloads_1):
7700         Likewise. 
7701         * resource.c (update_live_status): Likewise.
7702         * rtl.h (set_of, note_stores): Likewise.
7703         * rtlanal.c (set_of_1, parms_set, struct set_of_data, set_of,
7704         note_stores, parms_set): Likewise.
7705         * sched-rgn.c (sets_likely_spilled_1): Likewise.
7706         * stack-ptr-mod.c (notice_stack_pointer_modification_1):
7707         Likewise. 
7708         * var-tracking.c (count_stores, add_stores): Likewise.
7709
7710 2007-07-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7711
7712         * alias.c (mems_in_disjoint_alias_sets_p,
7713         fixed_scalar_and_varying_struct_p, aliases_everything_p,
7714         nonoverlapping_component_refs_p, nonoverlapping_memrefs_p,
7715         write_dependence_p, mems_in_disjoint_alias_sets_p,
7716         read_dependence, true_dependence, canon_true_dependence,
7717         anti_dependence, output_dependence): Constify.
7718         * combine.c (extended_count): Likewise.
7719         * cse.c (cse_rtx_varies_p, hash_rtx, exp_equiv_p): Likewise.
7720         * cselib.c (get_value_hash, references_value_p,
7721         cselib_reg_set_mode, cselib_rtx_varies_p): Likewise.
7722         * cselib.h (cselib_reg_set_mode, references_value_p): Likewise.
7723         * emit-rtl.c (mem_expr_equal_p, active_insn_p): Likewise.
7724         * function.c (contains, prologue_epilogue_contains,
7725         sibcall_epilogue_contains): Likewise. 
7726         * jump.c (simplejump_p, condjump_p, condjump_in_parallel_p,
7727         pc_set, any_uncondjump_p, any_condjump_p, onlyjump_p,
7728         only_sets_cc0_p, sets_cc0_p, rtx_renumbered_equal_p, true_regnum,
7729         reg_or_subregno): Likewise.
7730         * recog.c (asm_noperands): Likewise.
7731         * reload1.c (function_invariant_p): Likewise.
7732         * rtl.h (mem_expr_equal_p, active_insn_p, rtx_varies_p,
7733         rtx_addr_varies_p, asm_noperands, exp_equiv_p, hash_rtx,
7734         condjump_p, any_condjump_p, any_uncondjump_p, pc_set,
7735         simplejump_p, onlyjump_p, only_sets_cc0_p, sets_cc0_p,
7736         true_regnum, reg_or_subregno, condjump_in_parallel_p,
7737         extended_count, prologue_epilogue_contains,
7738         sibcall_epilogue_contains, function_invariant_p, true_dependence,
7739         canon_true_dependence, read_dependence, anti_dependence,
7740         output_dependence): Likewise.
7741         * rtlanal.c (rtx_varies_p, rtx_addr_varies_p): Likewise.
7742
7743 2007-07-30  Julian Brown  <julian@codesourcery.com>
7744
7745         * config/arm/neon.md (V_ext): New mode attribute.
7746         (neon_vget_lane<mode>): Replace with define_expand.
7747         (neon_vget_lane<mode>_sext_internal)
7748         (neon_vget_lane<mode>_zext_internal): New define_insns for double
7749         and quad precision vectors.
7750         (neon_vget_lanedi): Add bounds check. Remove dead comment.
7751         * config/arm/neon.ml (get_lane): Make 32-bit get-lane intrinsics
7752         have typeless 32-bit result.
7753
7754 2007-07-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7755
7756         PR tree-opt/32527
7757         * tree-affine.h (aff_tree): The type of rest is sizetype for types
7758         of pointers.
7759         * tree-affine.c (aff_combination_scale): If type is a pointer type,
7760         use sizetype for rest.
7761         (aff_combination_add_elt): Likewise. Don't specialize pointer types.
7762         (aff_combination_convert): Don't convert rest for pointer types.
7763
7764 2007-07-28  Daniel Berlin  <dberlin@dberlin.org>
7765
7766         * Makefile.in (tree-ssa-alias.o): Add alloc-pool.h
7767
7768         * tree-ssa-alias.c: Add alloc-pool.h.
7769         (init_alias_info): Free alias_bitmap_obstack.
7770         (delete_alias_info): Call delete_mem_ref_stats.
7771         (get_mem_sym_stats_for): Use alloc_pool.
7772         (init_mem_ref_stats): Do not delete mem_ref_stats here.
7773         (delete_mem_sym_stats): Removed.
7774         
7775 2007-07-29  Sebastian Pop  <sebpop@gmail.com>
7776
7777         * tree-data-ref.c (add_multivariate_self_dist): Parametric access
7778         functions cannot be represented as classical distance vectors.
7779
7780 2007-07-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7781
7782         * attribs.c (hash_attr, eq_attr, init_attributes): Constify.
7783         * builtins.c (validate_arg, builtin_mathfn_code,
7784         validate_arglist): Likewise.
7785         * calls.c (call_expr_flags): Likewise.
7786         * combine.c (reg_nonzero_bits_for_combine,
7787         reg_num_sign_bit_copies_for_combine, get_last_value,
7788         reg_truncated_to_mode): Likewise.
7789         * emit-rtl.c (subreg_lowpart_p): Likewise.
7790         * expr.c (highest_pow2_factor_for_target,
7791         categorize_ctor_elements_1, categorize_ctor_elements,
7792         count_type_elements, contains_packed_reference,
7793         highest_pow2_factor, highest_pow2_factor_for_target): Likewise.
7794         * fold-const.c (may_negate_without_overflow_p, int_const_binop,
7795         fold_convertible_p, operand_equal_p, tree_swap_operands_p,
7796         native_encode_int, native_encode_real, native_encode_complex,
7797         native_encode_vector, native_encode_expr, native_interpret_int,
7798         native_interpret_real, native_interpret_complex,
7799         native_interpret_vector, native_interpret_expr): Likewise.
7800         * function.c (use_register_for_decl): Likewise.
7801         * gimplify.c (get_name): Likewise.
7802         * langhooks-def.h (lhd_return_null_const_tree): New.
7803         (LANG_HOOKS_GET_CALLEE_FNDECL): Use it.
7804         * langhooks.c (lhd_return_null_const_tree): New.
7805         * langhooks.h (lang_get_callee_fndecl): Constify.
7806         * output.h (constructor_static_from_elts_p): Likewise.
7807         * rtl-factoring.c (gen_symbol_ref_rtx_for_label): Likewise.
7808         * rtl.h (nonzero_bits, num_sign_bit_copies, truncated_to_mode,
7809         subreg_lowpart_p, noop_move_p, struct rtl_hooks): Likewise.
7810         * rtlanal.c (cached_nonzero_bits, nonzero_bits1,
7811         cached_num_sign_bit_copies, num_sign_bit_copies1, noop_move_p,
7812         nonzero_bits, num_sign_bit_copies, truncated_to_mode): Likewise.
7813         * rtlhooks-def.h (reg_nonzero_bits_general,
7814         reg_num_sign_bit_copies_general, reg_truncated_to_mode_general):
7815         Likewise. 
7816         * rtlhooks.c (reg_num_sign_bit_copies_general,
7817         reg_nonzero_bits_general, reg_truncated_to_mode_general):
7818         Likewise. 
7819         * stmt.c (warn_if_unused_value, is_body_block): Likewise.
7820         * stor-layout.c (mode_for_size_tree): Likewise.
7821         * tree-ssa-loop-im.c (memref_eq): Likewise.
7822         * tree-ssa-loop-ivopts.c (tree_int_cst_sign_bit): Likewise.
7823         * tree.c (contains_placeholder_p, type_list_equal,
7824         simple_cst_equal, get_callee_fndecl, operand_equal_for_phi_arg_p):
7825         Likewise. 
7826         * tree.h (tree_int_cst_sign_bit, may_negate_without_overflow_p,
7827         mode_for_size_tree, categorize_ctor_elements, count_type_elements,
7828         contains_placeholder_p, contains_packed_reference,
7829         get_callee_fndecl, operand_equal_for_phi_arg_p,
7830         warn_if_unused_value, is_body_block, native_encode_expr,
7831         native_interpret_expr, fold_convertible_p, operand_equal_p,
7832         int_const_binop, tree_swap_operands_p, builtin_mathfn_code,
7833         validate_arglist, simple_cst_equal, type_list_equal,
7834         use_register_for_decl, call_expr_flags, get_name,
7835         highest_pow2_factor): Likewise.
7836         (const_call_expr_arg_iterator_d,
7837         init_const_call_expr_arg_iterator, next_const_call_expr_arg,
7838         first_const_call_expr_arg, more_const_call_expr_args_p,
7839         FOR_EACH_CONST_CALL_EXPR_ARG): New.
7840         * varasm.c (constructor_static_from_elts_p): Constify.
7841
7842 2007-07-28  Kazu Hirata  <kazu@codesourcery.com>
7843
7844         * cfglayout.c, config/arm/arm.c, config/arm/cortex-a8.md,
7845         config/arm/neon-schedgen.ml, config/arm/neon.ml,
7846         config/arm/vec-common.md, config/ia64/div.md, cselib.c,
7847         df-core.c, df.h, dominance.c, optabs.c, opts.c, reg-stack.c,
7848         regstat.c, target.h, tree-ssa-live.c, tree-ssa-pre.c,
7849         tree-vect-transform.c, tree.def: Fix comment typos.  Follow
7850         spelling conventions.
7851         * doc/invoke.texi: Follow spelling conventions.
7852
7853 2007-07-29  Vladimir Yanovsky  <yanov@il.ibm.com>
7854             Revital Eres  <eres@il.ibm.com>
7855
7856         * modulo-sched.c (sms_schedule): Avoid loops which includes
7857         auto-increment instructions.
7858
7859 2007-07-28  Richard Guenther  <rguenther@suse.de>
7860
7861         PR middle-end/32920
7862         * fold-const.c (fold_cond_expr_with_comparison): Convert
7863         operand zero of MIN/MAX_EXPR to correct type.
7864
7865 2007-07-28  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7866
7867         * calls.c (special_function_p, setjmp_call_p, alloca_call_p,
7868         flags_from_decl_or_type): Constify.
7869         * gcc.c (do_spec_1): Likewise.
7870         * print-tree.c (dump_addr, print_node_brief): Likewise.
7871         * tree-cfg.c (stmt_starts_bb_p, is_ctrl_stmt, computed_goto_p,
7872         simple_goto_p, tree_can_make_abnormal_goto, stmt_starts_bb_p,
7873         tree_purge_all_dead_eh_edges): Likewise.
7874         * tree-flow.h (is_ctrl_stmt, computed_goto_p, simple_goto_p,
7875         tree_can_make_abnormal_goto, tree_purge_all_dead_eh_edges):
7876         Likewise. 
7877         * tree.c (expr_location, expr_has_location, expr_locus,
7878         expr_filename, expr_lineno, get_inner_array_type,
7879         fields_compatible_p): Likewise.
7880         * tree.h (get_inner_array_type, fields_compatible_p,
7881         expr_location, expr_has_location, expr_locus, expr_filename,
7882         expr_lineno, dump_addr, print_node_brief, flags_from_decl_or_type,
7883         setjmp_call_p, alloca_call_p): Likewise.
7884
7885 2007-07-28  Daniel Berlin  <dberlin@dberlin.org>
7886
7887         * timevar.def: Add TV_CALL_CLOBBER, TV_FLOW_SENSITIVE,
7888         TV_FLOW_INSENSITIVE.
7889
7890         * tree-ssa-alias.c (compute_call_clobbered): Push/pop
7891         TV_CALL_CLOBBER.
7892         (compute_flow_sensitive_aliasing): Ditto for TV_FLOW_SENSITIVE.
7893         (compute_flow_insensitive_aliasing): Ditto for
7894         TV_FLOW_INSENSITIVE.    
7895
7896 2007-07-27  Jan Hubicka  <jh@suse.cz>
7897
7898         * config/i386/i386.c (register_move_cost): Remove accidentally
7899         comitted #if 0 block.
7900
7901         * attribs.c: Include hashtab.h
7902         (attribute_hash): New.
7903         (substring): New structure.
7904         (extract_attribute_substring, substring_hash, hash_attr, eq_attr):
7905         New function.
7906         (init_attributes): Initialize attribute hash.
7907         (decl_attributes): Use attribute hash.
7908         * Makefile.in (attribs.c): Depend on hashtab.h.
7909
7910 2007-07-27  Steve Ellcey  <sje@cup.hp.com>
7911
7912         * config/ia64/vect.md (vec_initv2si): Remove bad BIG_ENDIAN test.
7913
7914 2007-07-27  Richard Sandiford  <richard@codesourcery.com>
7915
7916         * doc/invoke.texi (mdsp, mdspr2): Document the __mips_dsp,
7917         __mips_dspr2 and __mips_dsp_rev macros.
7918         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dsp_rev.
7919
7920 2007-07-27  Douglas Gregor  <doug.gregor@gmail.com>
7921         
7922        * c-common.h (enum rid): Add RID_DECLTYPE, update RID_LAST_CXX0X.
7923
7924 2007-07-26  Kenneth Zadeck <zadeck@naturalbridge.com>
7925
7926         PR middle-end/32749
7927         
7928         * df-problems.c (df_create_unused_note): Removed do_not_gen parm
7929         and the updating of the live and do_not_gen sets.
7930         (df_note_bb_compute): Added updating of live and do_not_gen sets
7931         for regular defs so that the case of clobber inside conditional
7932         call is processed correctly.
7933         
7934 2007-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
7935
7936         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Generate the
7937         operands with compatible type.
7938
7939 2007-07-27  Richard Sandiford  <richard@codesourcery.com>
7940
7941         * expr.h (store_bit_field): Don't return a value.
7942         * expmed.c (check_predicate_volatile_ok): New function.
7943         (store_bit_field_1): New function, extracted from store_bit_field.
7944         Take a fallback_p argument and return true if the operation succeeded.
7945         Only use store_fixed_bit_field if fallback_p.  Don't recompute
7946         mode_for_extraction; use op_mode instead.  Try forcing memories
7947         into registers if the insv expander fails.
7948         (store_bit_field): Use store_bit_field_1 with fallback_p true.
7949         Don't return a value.
7950         (convert_extracted_bit_field): New function, extracted from
7951         store_bit_field.
7952         (extract_bit_field_1): Likewise.  Take a fallback_p argument
7953         and return NULL if the operation succeeded.  Only use
7954         extract_fixed_bit_field if fallback_p.  Only calculate one
7955         extraction mode.  Combine code for extv and extzv.  Try forcing
7956         memories into registers if the ext(z)v expander fails.
7957         (extract_bit_field): Use extract_bit_field_1 with fallback_p true.
7958
7959 2007-07-27  Richard Sandiford  <rsandifo@nildram.co.uk>
7960
7961         * df.h (df_mw_hardreg): Turn df_ref_type and df_ref_flags
7962         into bitfields.
7963         (df_ref): Likewise.  Put regno with other integer fields.
7964
7965 2007-07-27  Richard Sandiford  <rsandifo@nildram.co.uk>
7966
7967         * df.h (df_mw_hardreg): Remove "loc" field.
7968         * df-scan.c (df_ref_record): Don't set it.  Remove redundant
7969         local variable.
7970         * df-problems.c (df_whole_mw_reg_unused_p): New function,
7971         split out from df_set_unused_notes_for_mw.  Return false for
7972         partial references.  Assert that mw_reg is a REG when returning true.
7973         (df_set_unused_notes_for_mw): Use it.  Use mw_reg instead of *loc.
7974         (df_whole_mw_reg_dead_p): New function, split out from
7975         df_set_dead_notes_for_mw.  Return false for partial references.
7976         Assert that mw_reg is a REG when returning true.
7977         (df_set_dead_notes_for_mw): Use it.  Use mw_reg instead of *loc.
7978         Remove redundant bitmap check.
7979
7980 2007-07-26  H.J. Lu  <hongjiu.lu@intel.com>
7981
7982         * config/ia64/t-ia64 ($(T)crtbegin.o): Removed.
7983         ($(T)crtend.o): Likwise.
7984         ($(T)crtbeginS.o): Likwise.
7985         ($(T)crtendS.o): Likwise.
7986         ($(T)crtfastmath.o): Likwise.
7987
7988 2007-07-26  Zdenek Dvorak  <dvorakz@suse.cz>
7989
7990         * dominance.c (dom_computed, n_bbs_in_dom_tree): Removed.
7991         * function.h (dom_computed, n_bbs_in_dom_tree): New macros.
7992         * basic-block.h (struct control_flow_graph): Added x_dom_computed
7993         and x_n_bbs_in_dom_tree fields.
7994
7995 2007-07-26  Steve Ellcey  <sje@cup.hp.com>
7996
7997         PR tree-optimization/32087
7998         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop):
7999         Do not call scale_bbs_frequencies_int with prob of zero.
8000
8001 2007-07-26  Julian Brown  <julian@codesourcery.com>
8002
8003         * config/arm/arm-protos.h (neon_lane_bounds, neon_const_bounds)
8004         (neon_element_bits): Add prototypes.
8005         * config/arm/arm.c (bounds_check, neon_lane_bounds)
8006         (neon_const_bounds, neon_element_bits): New functions.
8007         * config/arm/neon.md (neon_vget_lane<mode>, neon_vget_lanedi)
8008         (neon_vget_lanev2di, neon_vset_lane<mode>, neon_vset_lanedi)
8009         (neon_vset_lanev2di, neon_vdup_lane<mode>, neon_vdup_lanedi)
8010         (neon_vdup_lanev2di, neon_vcvt_n<mode>, neon_vmul_lane<mode>)
8011         (neon_vmull_lane<mode>, neon_vqdmull_lane<mode>)
8012         (neon_vqdmulh_lane<mode>, neon_vmla_lane<mode>)
8013         (neon_vmlal_lane<mode>, neon_vqdmlal_lane<mode>)
8014         (neon_vmls_lane<mode>, neon_vmlsl_lane<mode>)
8015         (neon_vqdmlsl_lane<mode>, neon_vext<mode>, neon_vshr_n<mode>)
8016         (neon_vshrn_n<mode>, neon_vqshrn_n<mode>, neon_vqshrun_n<mode>)
8017         (neon_vshl_n<mode>, neon_vshl_n<mode>, neon_vqshl_n<mode>)
8018         (neon_vqshlu_n<mode>, neon_vshll_n<mode>, neon_vsra_n<mode>)
8019         (neon_vsri_n<mode>, neon_vsli_n<mode>): Add bounds checks.
8020
8021 2007-07-26  Nathan Froyd  <froydnj@codesourcery.com>
8022
8023         * config/vxworks.h (VXWORKS_LINK_SPEC): Fix typo.
8024         (HAVE_AS_GNU_ATTRIBUTE): Undefine.
8025
8026 2007-07-26  Mark Shinwell  <shinwell@codesourcery.com>
8027             Julian Brown  <julian@codesourcery.com>
8028
8029         * config/arm/arm.c (arm_mac_accumulator_is_mul_result): New.
8030         * config/arm/arm-protos.h (arm_mac_accumulator_is_mul_result): New.
8031         * config/arm/cortex-a8.md: New.
8032         * config/arm/cortex-a8-neon.md: New.
8033         * config/arm/neon-schedgen.ml: New.
8034         * config/arm/neon.md (vqh_mnem): New.
8035         (neon_type): New.
8036         (Is_float_mode): New.
8037         (Scalar_mul_8_16): New.
8038         (Is_d_reg): New.
8039         (V_mode_nunits): New.
8040         (All instruction patterns): Annotate with neon_type attribute
8041         values.
8042         * config/arm/arm.md: Include cortex-a8.md.
8043         (insn): Add smmla, umaal, smlald, smlsld, clz, mrs, msr and xtab
8044         values.
8045         Annotate instruction patterns accordingly.
8046         (generic_sched): Do not use generic scheduling for Cortex-A8.
8047         (generic_vfp): Do not use generic VFP scheduling for Cortex-A8.
8048
8049 2007-07-26  Daniel Jacobowitz  <dan@codesourcery.com>
8050
8051         * fold-const.c (fold_read_from_constant_string): Use
8052         build_int_cst_type.
8053         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
8054
8055 2007-07-26  Nick Clifton  <nickc@redhat.com>
8056
8057         * tree-ssa-operands.h: Change copyright header to refer to version
8058         3 of the GNU General Public License and to point readers at the
8059         COPYING3 file and the FSF's license web page.
8060         * tree-vrp.c, regrename.c, attribs.c, loop-unswitch.c,
8061         sched-ebb.c, fwprop.c, tree-loop-linear.c, dwarf2asm.c,
8062         tree-into-ssa.c, dwarf2asm.h, tree-ssa-loop-im.c, sbitmap.c,
8063         targhooks.c, tree-dump.c, tree-complex.c, sbitmap.h, targhooks.h,
8064         tree-dump.h, regstat.c, see.c, machmode.h, hooks.c, cgraphbuild.c,
8065         hooks.h, genrecog.c, tree-ssa-threadupdate.c, gen-protos.c,
8066         flags.h, rtlhooks.c, gencheck.c, tree-ssa-loop-niter.c,
8067         opts-common.c, dbgcnt.def, tree-pretty-print.c, tracer.c,
8068         gengtype.c, mkconfig.sh, gengtype.h, tree-ssa-loop-unswitch.c,
8069         cgraph.c, c-lex.c, cgraph.h, libfuncs.h, cfgloopmanip.c,
8070         rtl-error.c, optabs.c, postreload-gcse.c, tree-ssa-loop-manip.c,
8071         optabs.h, genmddeps.c, defaults.h, postreload.c, value-prof.c,
8072         tree-ssa-loop-ch.c, tree-tailcall.c, gengenrtl.c, value-prof.h,
8073         genopinit.c, tree.c, tree.h, reload.c, tree-pass.h, ipa-cp.c,
8074         reload.h, bitmap.c, bitmap.h, tree-scalar-evolution.c,
8075         c-config-lang.in, tree-scalar-evolution.h, target.h, cppspec.c,
8076         rtlanal.c, ddg.c, lambda-mat.c, mips-tdump.c, ddg.h,
8077         tree-phinodes.c, mips-tfile.c, pointer-set.c, pointer-set.h,
8078         diagnostic.c, final.c, diagnostic.h, builtins.c, genoutput.c,
8079         gcc.c, lists.c, tree-ssa-alias-warnings.c, gcc.h, cfghooks.c,
8080         input.h, gensupport.c, fold-const.c, cfghooks.h, insn-notes.def,
8081         gensupport.h, builtin-attrs.def, sync-builtins.def, params.c,
8082         cfgloopanal.c, params.h, graphds.c, omp-low.c, tree-ssa-dse.c,
8083         graphds.h, gcov.c, cfg.c, genextract.c, ipa-reference.c,
8084         genautomata.c, tree-ssa-uncprop.c, auto-inc-dec.c, toplev.c,
8085         tree-gimple.c, ipa-reference.h, vmsdbgout.c, errors.c, toplev.h,
8086         reorg.c, tree-gimple.h, tree-chrec.c, pretty-print.c, errors.h,
8087         real.c, tree-chrec.h, pretty-print.h, debug.c, real.h, genemit.c,
8088         omega.c, c-cppbuiltin.c, genmultilib, debug.h, omega.h,
8089         tree-ssa-sccvn.c, genconfig.c, tree-ssa-sccvn.h, cgraphunit.c,
8090         regs.h, df-scan.c, vec.c, hosthooks-def.h, vec.h,
8091         tree-ssa-copyrename.c, scan.c, builtin-types.def, tree-ssa-ccp.c,
8092         scan.h, mode-classes.def, haifa-sched.c, dominance.c, dojump.c,
8093         double-int.c, gcov-io.c, dbxout.c, builtins.def, double-int.h,
8094         dbxout.h, tree-ssa-loop-ivopts.c, df-core.c, mode-switching.c,
8095         gengtype-lex.l, tree-nomudflap.c, modulo-sched.c, c-objc-common.c,
8096         hosthooks.h, c-objc-common.h, caller-save.c, graph.c,
8097         ipa-pure-const.c, graph.h, c-format.c, cse.c, fix-header.c,
8098         c-format.h, web.c, tree-stdarg.c, genpeep.c, tree-stdarg.h,
8099         tree-ssa-math-opts.c, xcoffout.c, tree-ssa-dom.c, tree-nrv.c,
8100         xcoffout.h, tree-ssa-propagate.c, ipa-utils.c,
8101         tree-ssa-propagate.h, tree-ssa-alias.c, loop-init.c, ipa-utils.h,
8102         gimple-low.c, rtl.def, c-tree.h, tree-ssa-sink.c, ipa-inline.c,
8103         mkmap-symver.awk, machmode.def, c-pch.c, cfganal.c, global.c,
8104         alloc-pool.c, c-semantics.c, alloc-pool.h, jump.c, ifcvt.c,
8105         dwarf2out.c, expr.c, cfgbuild.c, tree-browser.c, dwarf2out.h,
8106         expr.h, longlong.h, opts.c, gcov-iov.c, opts.h, dwarf2.h,
8107         genattrtab.c, genconditions.c, genattr.c, optc-gen.awk,
8108         timevar.def, tree-ssa-loop-ivcanon.c, hard-reg-set.h, predict.c,
8109         tree-ssa-loop.c, host-default.c, predict.h, recog.c, dbgcnt.c,
8110         recog.h, dbgcnt.h, c-aux-info.c, tree-ssa-address.c, timevar.c,
8111         dse.c, lcm.c, tree-ssa-ifcombine.c, timevar.h, dse.h,
8112         matrix-reorg.c, tree-vn.c, treestruct.def, fp-test.c, c-decl.c,
8113         tree-eh.c, c-errors.c, c-pretty-print.c, regmove.c,
8114         lambda-trans.c, c-pretty-print.h, et-forest.c, et-forest.h,
8115         ebitmap.c, configure.ac, local-alloc.c, function.c, langhooks.c,
8116         ebitmap.h, cppdefault.c, tree-vectorizer.c, function.h,
8117         langhooks.h, print-rtl.c, cppdefault.h, df.h, tree-vectorizer.h,
8118         sdbout.c, stor-layout.c, sdbout.h, rtlhooks-def.h, read-rtl.c,
8119         gcse.c, ipa-type-escape.c, vmsdbg.h, alias.c, gengtype-parse.c,
8120         ipa-type-escape.h, domwalk.c, alias.h, tree-if-conv.c, profile.c,
8121         init-regs.c, domwalk.h, ipa.c, gccbug.in, tree-data-ref.c,
8122         loop-unroll.c, tree-data-ref.h, tree-flow-inline.h, tree-affine.c,
8123         mkmap-flat.awk, tree-affine.h, tree-vect-analyze.c, c.opt, ggc.h,
8124         opt-gather.awk, c-typeck.c, gimplify.c, coretypes.h, exec-tool.in,
8125         insn-addr.h, tree-ssa-phiopt.c, c-pragma.c, c-pragma.h, calls.c,
8126         tree-ssa-coalesce.c, genmodes.c, loop-doloop.c, predict.def,
8127         dwarf.h, tree.def, rtl-factoring.c, lower-subreg.c, expmed.c,
8128         bt-load.c, ggc-common.c, genflags.c, tree-dfa.c, except.c,
8129         coverage.c, except.h, emit-rtl.c, cfgexpand.c, coverage.h,
8130         stringpool.c, cselib.c, emit-rtl.h, tree-cfgcleanup.c, c-opts.c,
8131         cselib.h, cfgcleanup.c, simplify-rtx.c, tree-ssa-pre.c, explow.c,
8132         tree-ssa-live.c, tree-sra.c, tree-ssa-live.h, tree-predcom.c,
8133         loop-invariant.c, genpreds.c, protoize.c, opth-gen.awk, c-dump.c,
8134         lambda.h, loop-iv.c, tree-mudflap.c, ipa-prop.c, print-tree.c,
8135         tree-mudflap.h, tree-ssa-copy.c, ipa-prop.h, cfglayout.c,
8136         tree-ssa-forwprop.c, c-convert.c, cfglayout.h, common.opt,
8137         ggc-zone.c, ggc-page.c, c-omp.c, tree-ssa-dce.c, gencodes.c,
8138         varasm.c, tree-vect-patterns.c, libada-mk.in, tree-ssa-ter.c,
8139         sched-deps.c, tree-nested.c, c-ppoutput.c, tree-ssa.c,
8140         target-def.h, tree-ssa-loop-prefetch.c, lambda-code.c,
8141         omp-builtins.def, rtl.c, regclass.c, stab.def, intl.c, rtl.h,
8142         intl.h, tree-inline.c, conditions.h, tree-inline.h, integrate.c,
8143         sched-int.h, tree-iterator.c, integrate.h, tree-iterator.h,
8144         genchecksum.c, tree-optimize.c, output.h, tree-vect-transform.c,
8145         tree-object-size.c, combine.c, tree-outof-ssa.c, addresses.h,
8146         bb-reorder.c, stack-ptr-mod.c, resource.c, var-tracking.c,
8147         cfgloop.c, system.h, resource.h, ggc-none.c, tree-profile.c,
8148         cfgloop.h, c-gimplify.c, c-common.c, opt-functions.awk,
8149         tree-vect-generic.c, tree-flow.h, df-problems.c, scan-decls.c,
8150         c-common.h, config.gcc, reg-stack.c, tlink.c, main.c, stub-objc.c,
8151         fixproto, config.host, Makefile.in, gccspec.c, sched-rgn.c,
8152         vecprim.h, basic-block.h, tree-ssa-structalias.c,
8153         tree-ssa-structalias.h, c-common.def, sched-vis.c, tree-cfg.c,
8154         passes.c, genconstants.c, c-incpath.c, c-incpath.h,
8155         struct-equiv.c, c-parser.c, tree-ssa-reassoc.c, varray.c, sreal.c,
8156         varray.h, dfp.c, sreal.h, combine-stack-adj.c, dfp.h,
8157         reg-notes.def, cfgrtl.c, config.build, varpool.c, gengtype-yacc.y,
8158         stmt.c, dce.c, tree-browser.def, prefix.c, statistics.h,
8159         params.def, dce.h, c-lang.c, gcov-dump.c, prefix.h,
8160         tree-ssanames.c, collect2.c, collect2.h, tree-ssa-threadedge.c,
8161         convert.c, convert.h, langhooks-def.h, reload1.c,
8162         tree-ssa-operands.c: Likewise.
8163
8164 2007-07-26  Jan Hubicka  <jh@suse.cz>
8165
8166         * tree-ssa-live.c: Include debug.h and flags.h.
8167         (mark_scope_block_unused): New function.
8168         (remove_unused_scope_block_p): New function.
8169         (remove_unused_locals): Remove unused blocks too.
8170
8171 2007-07-25  Ian Lance Taylor  <iant@google.com>
8172
8173         * combine.c (combine_max_regno): Remove.  Remove all uses.
8174         (struct reg_stat_struct): Rename from struct reg_stat.
8175         (reg_stat_type): Define, and declare VECs.
8176         (reg_stat): Change from pointer to VEC.  Change all uses.
8177         (combine_split_insns): New static function.
8178         (try_combine, find_split_point): Call it instead of split_insns.
8179
8180 2007-07-25  Zdenek Dvorak  <dvorakz@suse.cz>
8181
8182         * cfghooks.c (split_block): Fix the information about loop latch.
8183
8184 2007-07-25  Zdenek Dvorak  <dvorakz@suse.cz>
8185
8186         * cfgloopmanip.c (fix_loop_structure): Call force_single_succ_latches.
8187
8188 2007-07-25  Zdenek Dvorak  <dvorakz@suse.cz>
8189
8190         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis):
8191         Scan the new edge for loop exit info.
8192
8193 2007-07-25  Andreas Tobler  <a.tobler@schweiz.org>
8194
8195         * config/darwin.c: Include debug.h.
8196
8197 2007-07-25  Steve Ellcey  <sje@cup.hp.com>
8198
8199         PR target/32218
8200         * tree-vect-patterns.c (vect_pattern_recog_1): Check for valid type.
8201
8202 2007-07-25  Steve Ellcey  <sje@cup.hp.com>
8203
8204         * config/ia64/ia64.h (HARD_REGNO_NREGS): Handle RFmode.
8205         (HARD_REGNO_MODE_OK): Ditto.
8206         (MODES_TIEABLE_P): Ditto.
8207         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
8208         (CLASS_MAX_NREGS): Ditto.
8209         * config/ia64/ia64.c (ia64_print_operand_address): Add R format.
8210         * config/ia64/ia64.md (divsf3_internal_thr): Removed.
8211         (divdf3_internal_thr): Removed.
8212         * config/ia64/div.md: New file.
8213         * config/ia64/constraints.md: Add H constraint.
8214
8215 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8216
8217         * sbitmap.c (sbitmap_verify_popcount, sbitmap_alloc_with_popcount,
8218         sbitmap_copy, sbitmap_copy_n, sbitmap_equal, sbitmap_empty_p,
8219         sbitmap_union_of_diff_cg, sbitmap_union_of_diff, sbitmap_not,
8220         sbitmap_difference, sbitmap_any_common_bits, sbitmap_a_and_b_cg,
8221         sbitmap_a_and_b, sbitmap_a_xor_b_cg, sbitmap_a_xor_b,
8222         sbitmap_a_or_b_cg, sbitmap_a_or_b, sbitmap_a_subset_b_p,
8223         sbitmap_a_or_b_and_c_cg, sbitmap_a_or_b_and_c,
8224         sbitmap_a_and_b_or_c_cg, sbitmap_a_and_b_or_c,
8225         sbitmap_first_set_bit, sbitmap_last_set_bit, dump_sbitmap,
8226         dump_sbitmap_file, debug_sbitmap, popcount_table,
8227         sbitmap_popcount): Constify.
8228         * sbitmap.h (const_sbitmap, const_sbitmap_ptr): New.
8229         (sbitmap_iterator, sbitmap_iter_init, dump_sbitmap,
8230         dump_sbitmap_file, sbitmap_copy, sbitmap_copy_n, sbitmap_equal,
8231         sbitmap_empty_p, sbitmap_union_of_diff, sbitmap_union_of_diff_cg,
8232         sbitmap_difference, sbitmap_not, sbitmap_a_or_b_and_c,
8233         sbitmap_a_or_b_and_c_cg, sbitmap_a_and_b_or_c,
8234         sbitmap_a_and_b_or_c_cg, sbitmap_any_common_bits, sbitmap_a_and_b,
8235         sbitmap_a_and_b_cg, sbitmap_a_or_b, sbitmap_a_or_b_cg,
8236         sbitmap_a_xor_b, sbitmap_a_xor_b_cg, sbitmap_a_subset_b_p,
8237         sbitmap_first_set_bit, sbitmap_last_set_bit, debug_sbitmap,
8238         sbitmap_popcount, sbitmap_verify_popcount): Constify.
8239
8240 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8241
8242         * bitmap.c (hash_descriptor, eq_descriptor, bitmap_element_zerop,
8243         bitmap_copy, bitmap_clear_bit, popcount_table, bitmap_count_bits,
8244         bitmap_first_set_bit, bitmap_and, bitmap_and_into,
8245         bitmap_elt_copy, bitmap_and_compl, bitmap_and_compl_into,
8246         bitmap_compl_and_into, bitmap_elt_ior, bitmap_ior,
8247         bitmap_ior_into, bitmap_xor, bitmap_xor_into, bitmap_equal_p,
8248         bitmap_intersect_p, bitmap_intersect_compl_p,
8249         bitmap_ior_and_compl, bitmap_ior_and_compl_into,
8250         debug_bitmap_file, debug_bitmap, bitmap_print, bitmap_hash):
8251         Constify.
8252         * bitmap.h (bitmap_copy, bitmap_equal_p, bitmap_intersect_p,
8253         bitmap_intersect_compl_p, bitmap_count_bits, bitmap_and,
8254         bitmap_and_into, bitmap_and_compl, bitmap_and_compl_into,
8255         bitmap_compl_and_into, bitmap_ior, bitmap_ior_into, bitmap_xor,
8256         bitmap_xor_into, bitmap_ior_and_compl, bitmap_ior_and_compl_into,
8257         debug_bitmap, debug_bitmap_file, bitmap_print,
8258         bitmap_first_set_bit, bitmap_hash, bmp_iter_set_init,
8259         bmp_iter_and_init, bmp_iter_and_compl_init): Likewise.
8260
8261 2007-07-25  Daniel Berlin  <dberlin@dberlin.org>
8262
8263         * config/darwin.c (darwin_override_options): Additional fix for
8264         debug info formats that don't support var tracking.
8265
8266 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8267
8268         * cselib.c (entry_and_rtx_equal_p): Constify.
8269         * gengtype.c (output_mangled_typename, write_types, write_local):
8270         Likewise.
8271         * gengtype.h (const_type_p): New.
8272         * see.c (eq_descriptor_extension, hash_descriptor_extension):
8273         Constify.
8274         * tlink.c (scan_linker_output): De-constify.
8275         * tree-ssa-loop-im.c (memref_eq): Constify.
8276         * tree-ssa-structalias.c (const_shared_bitmap_info_t): New.
8277         (shared_bitmap_hash, shared_bitmap_eq): Constify.
8278
8279 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8280
8281         * c-common.c (fname_as_string, c_type_hash): Constify.
8282         * c-typeck.c (free_all_tagged_tu_seen_up_to): Likewise.
8283         * cgraph.c (edge_hash, edge_eq): Likewise.
8284         * dwarf2out.c (decl_die_table_eq, decl_loc_table_eq): Likewise.
8285         * emit-rtl.c (mem_attrs_htab_eq, reg_attrs_htab_hash,
8286         reg_attrs_htab_eq): Likewise.
8287         * except.c (t2r_eq, t2r_hash, ttypes_filter_eq, ehl_hash, ehl_eq):
8288         Likewise.
8289         * genautomata.c (const_reserv_sets_t, const_unit_decl_t,
8290         const_decl_t, const_state_t, const_automata_list_el_t): New.
8291         (first_out_arc, DECL_UNIT, DECL_BYPASS, DECL_AUTOMATON, DECL_EXCL,
8292         DECL_PRESENCE, DECL_ABSENCE, DECL_RESERV, DECL_INSN_RESERV,
8293         automaton_decl_hash, automaton_decl_eq_p, insn_decl_hash,
8294         insn_decl_eq_p, decl_hash, decl_eq_p, alt_state_cmp,
8295         reserv_sets_cmp, reserv_sets_eq, state_hash, state_eq_p,
8296         automata_list_hash, automata_list_eq_p, compare_states_for_equiv,
8297         compare_max_occ_cycle_nums, out_state_arcs_num,
8298         compare_transition_els_num, units_cmp, state_reservs_cmp):
8299         Constify.
8300         * genmodes.c (cmp_modes): Likewise.
8301         * ggc-common.c (saving_htab_hash, saving_htab_eq): Likewise.
8302         * gimplify.c (compare_case_labels): Likewise.
8303         * ipa-type-escape.c (get_name_of_type, type_brand_s): Likewise.
8304         * loop-unroll.c (si_info_hash, ve_info_hash): Likewise.
8305         * matrix-reorg.c (mtt_info_hash): Likewise.
8306         * postreload-gcse.c (hash_expr_for_htab, expr_equiv_p): Likewise.
8307         * rtl-factoring.c (const_p_hash_bucket, const_p_hash_elem): New.
8308         (htab_hash_bucket, htab_hash_elem): Constify.
8309         * tree-browser.c (TB_parent_eq): Likewise.
8310         * tree-scalar-evolution.c (hash_scev_info): Likewise.
8311         * tree-ssa-alias.c (sort_tags_by_id): Likewise.
8312         * tree-ssa-coalesce.c (const_coalesce_pair_p): New.
8313         (coalesce_pair_map_hash, coalesce_pair_map_eq, compare_pairs):
8314         Constify.
8315         * tree-ssa-dom.c (avail_expr_hash, avail_expr_eq): Likewise.
8316         * tree-ssa-pre.c (const_expr_pred_trans_t): New.
8317         (expr_pred_trans_hash, expr_pred_trans_eq): Constify.
8318         * tree-ssa-sccvn.c (const_vn_binary_op_t, const_vn_unary_op_t,
8319         const_vn_phi_t, const_vn_reference_op_t, const_vn_reference_t):
8320         New.
8321         (vn_reference_op_eq, vn_reference_hash, vn_reference_eq,
8322         vn_unary_op_hash, vn_unary_op_eq, vn_binary_op_hash,
8323         vn_binary_op_eq, vn_phi_hash, vn_phi_eq): Constify.
8324         * tree-ssa-threadupdate.c (redirection_data_hash,
8325         redirection_data_eq): Likewise. 
8326         * tree-ssa-uncprop.c (equiv_hash, equiv_eq): Likewise.
8327         * tree-ssa.c (var_ann_eq): Likewise.
8328         * tree-vrp.c (compare_case_labels): Likewise.
8329         * tree.c (int_cst_hash_hash, int_cst_hash_eq,
8330         tree_map_base_marked_p, type_hash_marked_p, tree_check_failed,
8331         tree_not_check_failed, tree_class_check_failed,
8332         tree_range_check_failed, tree_not_class_check_failed,
8333         omp_clause_check_failed, omp_clause_range_check_failed,
8334         tree_contains_struct_check_failed, tree_operand_check_failed):
8335         Likewise. 
8336         * tree.h (tree_contains_struct_check_failed, tree_check_failed,
8337         tree_not_check_failed, tree_class_check_failed,
8338         tree_range_check_failed, tree_not_class_check_failed,
8339         tree_operand_check_failed, omp_clause_operand_check_failed,
8340         tree_operand_length): Likewise. 
8341         * var-tracking.c (const_variable): New.
8342         (variable_htab_hash, variable_htab_eq): Constify.
8343         * varasm.c (const_desc_hash): Likewise.
8344
8345 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8346
8347         * expr.c (handled_component_p): Constify.
8348         * fold-const.c (fit_double_type): Likewise.
8349         * real.h (real_value_from_int_cst): Likewise.
8350         * tree-flow-inline.h (gimple_in_ssa_p,
8351         gimple_aliases_computed_p, gimple_addressable_vars,
8352         gimple_call_clobbered_vars, gimple_referenced_vars,
8353         gimple_global_var, gimple_nonlocal_all, gimple_var_anns,
8354         end_htab_p, end_referenced_vars_p, var_ann, function_ann,
8355         may_aliases, end_readonly_imm_use_p, has_zero_uses,
8356         has_single_use, single_imm_use, num_imm_uses, is_exec_stmt,
8357         is_label_stmt, is_global_var, phi_ssa_name_p,
8358         factoring_name_p, is_call_clobbered, tree_common_ann,
8359         op_iter_done, end_imm_use_stmt_p, end_imm_use_on_stmt_p,
8360         unmodifiable_var_p, array_ref_contains_indirect_ref,
8361         ref_contains_array_ref, lookup_subvars_for_var,
8362         var_can_have_subvars, overlap_subvar, gimple_ssa_operands,
8363         gimple_mem_ref_stats): Likewise.
8364         * tree-flow.h (tree_common_ann, var_ann, function_ann,
8365         may_aliases, is_exec_stmt, is_label_stmt,
8366         ref_contains_array_ref, array_ref_contains_indirect_ref,
8367         var_can_have_subvars, overlap_subvar, is_call_clobbered,
8368         unmodifiable_var_p): Likewise.
8369         * tree-gimple.c (is_gimple_min_invariant): Likewise.
8370         * tree-gimple.h (is_gimple_min_invariant): Likewise. 
8371         * tree.c (type_hash_list, attribute_hash_list, tree_size,
8372         cst_and_fits_in_hwi, real_value_from_int_cst,
8373         build_real_from_int_cst, integer_zerop, integer_onep,
8374         integer_all_onesp, integer_pow2p, integer_nonzerop, tree_log2,
8375         tree_floor_log2, real_zerop, real_onep, real_twop,
8376         real_minus_onep, really_constant_p, purpose_member, chain_member,
8377         list_length, fields_length, int_size_in_bytes, bit_position,
8378         int_bit_position, byte_position, int_byte_position, expr_align,
8379         array_type_nelts, tree_node_structure,
8380         type_contains_placeholder_1, iterative_hash_pointer,
8381         is_attribute_with_length_p, is_attribute_p, check_qualified_type,
8382         tree_map_base_eq, type_hash_list, type_hash_eq,
8383         attribute_hash_list, type_num_arguments, tree_int_cst_equal,
8384         tree_int_cst_lt, tree_int_cst_compare, host_integerp,
8385         tree_low_cst, tree_int_cst_msb, tree_int_cst_sgn,
8386         simple_cst_list_equal, compare_tree_int, iterative_hash_expr,
8387         int_fits_type_p, get_containing_scope, decl_function_context,
8388         decl_type_context, omp_clause_operand_check_failed,
8389         initializer_zerop, int_cst_value, num_ending_zeros): Likewise.
8390         * tree.h (omp_clause_operand_check_failed, tree_size,
8391         build_real_from_int_cst, array_type_nelts, purpose_member,
8392         tree_int_cst_equal, tree_int_cst_lt, tree_int_cst_compare,
8393         host_integerp, tree_low_cst, tree_int_cst_msb, tree_int_cst_sgn,
8394         is_attribute_p, check_qualified_type, expr_align,
8395         int_size_in_bytes, bit_position, int_bit_position, byte_position,
8396         int_byte_position, list_length, fields_length, initializer_zerop,
8397         integer_zerop, integer_onep, integer_all_onesp, integer_pow2p,
8398         integer_nonzerop, cst_and_fits_in_hwi, num_ending_zeros,
8399         tree_node_structure, handled_component_p, get_containing_scope,
8400         decl_function_context, decl_type_context, real_zerop,
8401         type_num_arguments, fit_double_type, really_constant_p,
8402         int_fits_type_p, tree_log2, tree_floor_log2, iterative_hash_expr,
8403         compare_tree_int, chain_member, simple_cst_list_equal, real_onep,
8404         real_twop, real_minus_onep, int_cst_value): Likewise.
8405
8406 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8407
8408         * cfglayout.c (insn_scope, insn_line): Constify.
8409         * emit-rtl.c (const_int_htab_hash, const_int_htab_eq,
8410         const_double_htab_hash, const_double_htab_eq,
8411         mem_attrs_htab_hash): Likewise.
8412         * loop-iv.c (biv_eq): Likewise.
8413         * print-rtl.c (print_rtx, print_decl_name, print_mem_expr,
8414         print_inline_rtx, debug_rtx, debug_rtx_list, debug_rtx_range,
8415         debug_rtx_find, print_rtl, print_rtl_single, print_simple_rtl):
8416         Likewise. 
8417         * rtl-error.c (location_for_asm, diagnostic_for_asm,
8418         error_for_asm, warning_for_asm, _fatal_insn,
8419         _fatal_insn_not_found): Likewise. 
8420         * rtl.c (rtx_size, shared_const_p, shallow_copy_rtx_stat,
8421         rtx_equal_p, rtl_check_failed_bounds, rtl_check_failed_type1,
8422         rtl_check_failed_type2, rtl_check_failed_code1,
8423         rtl_check_failed_code2, rtl_check_failed_code_mode,
8424         rtvec_check_failed_bounds, rtl_check_failed_flag): Likewise.
8425         * rtl.h (rtl_check_failed_bounds, rtl_check_failed_type1,
8426         rtl_check_failed_type2, rtl_check_failed_code1,
8427         rtl_check_failed_code2, rtl_check_failed_code_mode,
8428         rtvec_check_failed_bounds, rtl_check_failed_flag, LABEL_KIND,
8429         SET_LABEL_KIND, rhs_regno, subreg_lsb, subreg_regno, subreg_nregs,
8430         shared_const_p, rtx_size, shallow_copy_rtx_stat, rtx_equal_p,
8431         get_pool_mode, insn_line, insn_file, simplify_replace_rtx,
8432         mode_signbit_p, rtx_addr_can_trap_p, nonzero_address_p,
8433         rtx_unstable_p, get_integer_term, get_related_value,
8434         offset_within_block_p, reg_mentioned_p, count_occurrences,
8435         reg_referenced_p, reg_used_between_p, no_labels_between_p,
8436         single_set_2, multiple_sets, set_noop_p, refers_to_regno_p,
8437         reg_overlap_mentioned_p, dead_or_set_p, dead_or_set_regno_p,
8438         find_reg_note, find_regno_note, find_reg_equal_equiv_note,
8439         find_constant_src, find_reg_fusage, find_regno_fusage,
8440         pure_call_p, remove_note, side_effects_p, volatile_refs_p,
8441         volatile_insn_p, may_trap_p, may_trap_after_code_motion_p,
8442         may_trap_or_fault_p, inequality_comparisons_p, tablejump_p,
8443         computed_jump_p, auto_inc_p, in_expr_list_p,
8444         remove_node_from_expr_list, loc_mentioned_in_p,
8445         label_is_jump_target_p, reversed_comparison_code_parts,
8446         debug_rtx, debug_rtx_list, debug_rtx_range, debug_rtx_find,
8447         print_mem_expr, print_rtl, print_simple_rtl, print_rtl_single,
8448         print_inline_rtx): Likewise.
8449         * rtlanal.c (covers_regno_p, covers_regno_no_parallel_p,
8450         computed_jump_p_1, nonzero_bits1, rtx_unstable_p,
8451         rtx_addr_can_trap_p_1, rtx_addr_can_trap_p, nonzero_address_p,
8452         get_integer_term, get_related_value, offset_within_block_p,
8453         count_occurrences, reg_mentioned_p, no_labels_between_p,
8454         reg_used_between_p, reg_referenced_p, single_set_2,
8455         multiple_sets, set_noop_p, refers_to_regno_p,
8456         reg_overlap_mentioned_p, dead_or_set_p,
8457         covers_regno_no_parallel_p, covers_regno_p,
8458         dead_or_set_regno_p, find_reg_note, find_regno_note,
8459         find_reg_equal_equiv_note, find_constant_src, find_reg_fusage,
8460         find_regno_fusage, pure_call_p, remove_note, in_expr_list_p,
8461         remove_node_from_expr_list, volatile_insn_p, volatile_refs_p,
8462         side_effects_p, may_trap_p_1, may_trap_p,
8463         may_trap_after_code_motion_p, may_trap_or_fault_p,
8464         inequality_comparisons_p, tablejump_p, computed_jump_p_1,
8465         computed_jump_p, auto_inc_p, loc_mentioned_in_p, subreg_lsb,
8466         subreg_regno, subreg_nregs, label_is_jump_target_p): Likewise.
8467         * simplify-rtx.c (neg_const_int, plus_minus_operand_p,
8468         mode_signbit_p, simplify_replace_rtx, plus_minus_operand_p):
8469         Likewise. 
8470         * toplev.h (_fatal_insn_not_found, _fatal_insn, error_for_asm,
8471         warning_for_asm): Likewise.
8472         * tree.h (print_rtl): Likewise.
8473         * varasm.c (get_pool_mode): Likewise.
8474
8475 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8476
8477         * c-lex.c (c_lex_with_flags, lex_string): Constify.
8478         * c-ppoutput.c (print_line, pp_dir_change): Likewise.
8479         * c-typeck.c (free_all_tagged_tu_seen_up_to): Likewise.
8480         * cfg.c (bb_copy_original_hash, bb_copy_original_eq): Likewise.
8481         * cfgloop.c (loop_exit_hash, loop_exit_eq): Likewise.
8482         * ddg.c (compare_sccs): Likewise.
8483         * df-scan.c (df_ref_compare, df_mw_compare): Likewise.
8484         * dfp.c (decimal_real_from_string, decimal_to_decnumber,
8485         decimal_to_binary, decimal_do_compare, decimal_real_to_decimal,
8486         decimal_do_fix_trunc, decimal_real_to_integer,
8487         decimal_real_to_integer2, decimal_real_maxval): Likewise.
8488         * dse.c (const_group_info_t): New.
8489         (invariant_group_base_eq, invariant_group_base_hash): Constify.
8490         * dwarf2out.c (const_dw_die_ref): New.
8491         (decl_die_table_hash, decl_die_table_eq, file_info_cmp): Constify.
8492         * tree-browser.c (TB_parent_eq): Likewise.
8493         * unwind-dw2-fde.c (__register_frame_info_bases,
8494         __deregister_frame_info_bases, fde_unencoded_compare, fde_split,
8495         add_fdes, linear_search_fdes, binary_search_unencoded_fdes):
8496         Likewise.
8497         * unwind-dw2-fde.h (get_cie, next_fde): Likewise.
8498         * unwind-dw2.c (uw_frame_state_for): Likewise.
8499         * value-prof.c (histogram_hash, histogram_eq): Likewise.
8500         * value-prof.h (const_histogram_value): New.
8501
8502 2007-07-25  Richard Sandiford  <richard@codesourcery.com>
8503
8504         * config/mips/mips.c (machine_function): Add
8505         initialized_mips16_gp_pseudo_p.
8506         (mips16_gp_pseudo_reg): Do not emit the initialization of
8507         mips16_gp_pseudo_rtx when being called from the gimple cost-
8508         calculation routines; emit it on the first use outside those
8509         routines.
8510
8511 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8512
8513         * coretypes.h (const_bitmap, const_rtx, const_rtvec, const_tree):
8514         New.
8515         
8516         * rtl.h (RTL_CHECK1, RTL_CHECK2, RTL_CHECKC1, RTL_CHECKC2,
8517         RTVEC_ELT, XWINT, XCWINT, XCMWINT, XCNMPRV, BLOCK_SYMBOL_CHECK,
8518         RTL_FLAG_CHECK1, RTL_FLAG_CHECK2, RTL_FLAG_CHECK3,
8519         RTL_FLAG_CHECK4, RTL_FLAG_CHECK5, RTL_FLAG_CHECK6,
8520         RTL_FLAG_CHECK7, RTL_FLAG_CHECK8, LABEL_KIND, SET_LABEL_KIND):
8521         Preserve const-ness of parameters through use of __typeof(),
8522         also constify and tidy.
8523         
8524         * tree.h (TREE_CHECK, TREE_NOT_CHECK, TREE_CHECK2,
8525         TREE_NOT_CHECK2, TREE_CHECK3, TREE_NOT_CHECK3, TREE_CHECK4,
8526         NON_TREE_CHECK4, TREE_CHECK5, TREE_NOT_CHECK5,
8527         CONTAINS_STRUCT_CHECK, TREE_CLASS_CHECK, TREE_RANGE_CHECK,
8528         OMP_CLAUSE_SUBCODE_CHECK, OMP_CLAUSE_RANGE_CHECK, EXPR_CHECK,
8529         GIMPLE_STMT_CHECK, NON_TYPE_CHECK, TREE_VEC_ELT_CHECK,
8530         PHI_NODE_ELT_CHECK, OMP_CLAUSE_ELT_CHECK, TREE_OPERAND_CHECK,
8531         TREE_OPERAND_CHECK_CODE, GIMPLE_STMT_OPERAND_CHECK,
8532         TREE_RTL_OPERAND_CHECK, TREE_CHAIN, TREE_TYPE): Likewise.
8533
8534 2007-07-25  Julian Brown  <julian@codesourcery.com>
8535             Mark Shinwell  <shinwell@codesourcery.com>
8536
8537         * config/alpha/alpha.c (alpha_mangle_fundamental_type): Rename to...
8538         (alpha_mangle_type): This.
8539         (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define.
8540         (TARGET_MANGLE_TYPE): Define this instead.
8541         * config/arm/arm-protos.h (arm_mangle_type): Add prototype.
8542         * config/arm/arm.c (TARGET_MANGLE_TYPE): Define target hook.
8543         (arm_init_neon_builtins): Fix comment.
8544         (arm_mangle_map_entry): New.
8545         (arm_mangle_map): New.
8546         (arm_mangle_type): New.
8547         * config/i386/i386.c (ix86_mangle_fundamental_type): Rename to...
8548         (ix86_mangle_type): This. Use TYPE_MAIN_VARIANT and restrict
8549         mangled types to VOID_TYPE, BOOLEAN_TYPE, INTEGER_TYPE, REAL_TYPE.
8550         (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define.
8551         (TARGET_MANGLE_TYPE): Define this instead.
8552         * config/ia64/ia64.c (ia64_mangle_fundamental_type): Rename to...
8553         (ia64_mangle_type): This. Use TYPE_MAIN_VARIANT  and restrict
8554         mangled types to VOID_TYPE, BOOLEAN_TYPE, INTEGER_TYPE, REAL_TYPE.
8555         (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define.
8556         (TARGET_MANGLE_TYPE): Define this instead.
8557         * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Rename
8558         to...
8559         (rs6000_mangle_type): This. Use TYPE_MAIN_VARIANT.
8560         (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define.
8561         (TARGET_MANGLE_TYPE): Define this instead.
8562         * config/s390/s390.c (s390_mangle_fundamental_type): Rename to...
8563         (s390_mangle_type): This.
8564         (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define.
8565         (TARGET_MANGLE_TYPE): Define this instead.
8566         * config/sparc/sparc.c (sparc_mangle_fundamental_type): Rename to...
8567         (sparc_mangle_type): This.
8568         (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define.
8569         (TARGET_MANGLE_TYPE): Define this instead.
8570         * cp/mangle.c (write_type): Call mangle_type target hook on all
8571         types before mangling.  Use original type, not main variant, as
8572         argument.
8573         * target-def.h (TARGET_MANGLE_FUNDAMENTAL_TYPE): Rename hook to...
8574         (TARGET_MANGLE_TYPE): This.
8575         * target.h (gcc_target): Rename mangle_fundamental_type to
8576         mangle_type.
8577         * doc/tm.texi (TARGET_MANGLE_FUNDAMENTAL_TYPE): Rename section to...
8578         (TARGET_MANGLE_TYPE): This. Note slightly different semantics.
8579
8580 2007-07-25  Julian Brown  <julian@codesourcery.com>
8581             Paul Brook  <paul@codesourcery.com>
8582             Joseph Myers  <joseph@codesourcery.com>
8583             Mark Shinwell  <shinwell@codesourcery.com>
8584
8585         * Makefile.in (TEXI_GCC_FILES): Add arm-neon-intrinsics.texi.
8586         * config.gcc (arm*-*-*): Add arm_neon.h to extra headers.
8587         (with_fpu): Allow --with-fpu=neon.
8588         * config/arm/aof.h (ADDITIONAL_REGISTER_NAMES): Add Q0-Q15.
8589         * config/arm/aout.h (ADDITIONAL_REGISTER_NAMES): Add Q0-Q15.
8590         * config/arm/arm-modes.def (EI, OI, CI, XI): New modes.
8591         * config/arm/arm-protos.h (neon_immediate_valid_for_move)
8592         (neon_immediate_valid_for_logic, neon_output_logic_immediate)
8593         (neon_pairwise_reduce, neon_expand_vector_init, neon_reinterpret)
8594         (neon_emit_pair_result_insn, neon_disambiguate_copy)
8595         (neon_vector_mem_operand, neon_struct_mem_operand, output_move_quad)
8596         (output_move_neon): Add prototypes.
8597         * config/arm/arm.c (FL_NEON): New flag for NEON processor capability.
8598         (all_fpus): Add FPUTYPE_NEON.
8599         (fp_model_for_fpu): Add NEON field.
8600         (arm_return_in_memory): Return vectors <= 16 bytes in ARM registers.
8601         (arm_arg_partial_bytes): Allow NEON vectors to be passed partially
8602         in registers.
8603         (arm_legitimate_address_p): Don't support fancy addressing for NEON
8604         structure moves.
8605         (thumb2_legitimate_address_p): Likewise.
8606         (neon_valid_immediate): Recognize and prepare constants suitable for
8607         NEON instructions.
8608         (neon_immediate_valid_for_move): New function. Recognize and prepare
8609         immediates for NEON move instructions.
8610         (neon_immediate_valid_for_logic): New function. Recognize and
8611         prepare immediates for NEON logic instructions.
8612         (neon_output_logic_immediate): New function. Create asm string
8613         suitable for outputting immediate logic instructions.
8614         (neon_pairwise_reduce): New function. Implement reduction using
8615         pairwise operations.
8616         (neon_expand_vector_init): New function. Expand a (possibly
8617         non-constant) vector initialization.
8618         (neon_vector_mem_operand): New function. Memory operands supported
8619         for quad-word loads/stores to/from ARM or NEON registers. Don't
8620         allow base+offset addressing for core regs.
8621         (neon_struct_mem_operand): New function. Valid mems for NEON
8622         structure moves.
8623         (coproc_secondary_reload_class): Enable NEON registers to be loaded
8624         from neon_vector_mem_operand addresses without a secondary register.
8625         (add_minipool_forward_ref): Handle >8-byte minipool entries.
8626         (add_minipool_backward_ref): Likewise.
8627         (dump_minipool): Likewise.
8628         (push_minipool_fix): Likewise.
8629         (output_move_quad): New function. Output quad-word moves, loads and
8630         stores using ARM registers.
8631         (output_move_vfp): Add support for vectors in VFP (NEON) D
8632         registers.
8633         (output_move_neon): Output a NEON load/store to/from a quadword
8634         register.
8635         (arm_print_operand): Implement new codes:
8636         - 'c' for unadorned integers (without a # sign).
8637         - 'J', 'K' for reg+2/reg+3, reg+3/reg+2 in little/big-endian
8638         mode.
8639         - 'e', 'f' for the low and high D parts of a NEON Q register.
8640         - 'q' outputs a NEON Q register.
8641         - 'h' outputs ranges of D registers for VLDM/VSTM etc.
8642         - 'T' prints NEON opcode features from a coded bitmask.
8643         - 'F' is similar to T, but signed/unsigned codes both print as
8644         'i'.
8645         - 't' is similar to T, but 'u' is printed instead of 'p'.
8646         - 'O' prints 'r' if NEON instruction should perform rounding (as
8647         specified by bitmask), else prints nothing.
8648         - '#' is a punctuation character to stop operand numbers from
8649         running together with following digits in the assembler
8650         strings for instructions (when using mode attributes).
8651         (arm_assemble_integer): Handle extra NEON vector modes. Permute
8652         constant vectors in big-endian mode, where necessary.
8653         (arm_hard_regno_mode_ok): Allow vectors in VFP/NEON registers.
8654         Handle EI, OI, CI, XI modes.
8655         (ashlv4hi3, ashlv2si3, lshrv4hi3, lshrv2si3, ashrv4hi3)
8656         (ashrv2si3): Rename IWMMXT2_BUILTINs to...
8657         (ashlv4hi3_iwmmxt, ashlv2si3_iwmmxt, lshrv4hi3_iwmmxt)
8658         (lshrv2si3_iwmmxt, ashrv4hi3_iwmmxt, ashrv2si3_iwmmxt): New names.
8659         (neon_builtin_type_bits): Add enumeration, one bit for each vector
8660         type.
8661         (v8qi_UP, v4hi_UP, v2si_UP, v2sf_UP, di_UP, v16qi_UP, v8hi_UP)
8662         (v4si_UP, v4sf_UP, v2di_UP, ti_UP, ei_UP, oi_UP, UP): Define macros
8663         to turn v8qi, etc. into bits defined above.
8664         (neon_itype): New enumeration. Classifications of NEON builtins.
8665         (neon_builtin_datum): Define struct. Contains information about
8666         a single builtin (with multiple modes).
8667         (CF): Define helper macro for...
8668         (VAR1...VAR10): Define builtins with a type, name and 1-10 different
8669         modes.
8670         (neon_builtin_data): New array. Define information about builtins
8671         for use during initialization/expansion.
8672         (arm_init_neon_builtins): New function.
8673         (arm_init_builtins): Call arm_init_neon_builtins if TARGET_NEON is
8674         true.
8675         (neon_builtin_compare): New function.
8676         (locate_neon_builtin_icode): New function. Find an insn code for a
8677         builtin given a function code for that builtin. Also return type of
8678         builtin (NEON_BINOP, NEON_UNOP etc.).
8679         (builtin_arg): New enumeration. Types of arguments for builtins.
8680         (arm_expand_neon_args): New function. Expand a generic NEON builtin.
8681         Takes a variable argument list of builtin_arg types, terminated by
8682         NEON_ARG_STOP.
8683         (arm_expand_neon_builtin): New function. Expand a NEON builtin.
8684         (neon_reinterpret): New function. Expand NEON reinterpret intrinsic.
8685         (neon_emit_pair_result_insn): New function. Support returning pairs
8686         of vectors via a pointer.
8687         (neon_disambiguate_copy): New function. Set up operands for a
8688         multi-word copy such that registers do not get clobbered.
8689         (arm_expand_builtin): Call arm_expand_neon_builtin if fcode >=
8690         ARM_BUILTIN_NEON_BASE.
8691         (arm_file_start): Set float-abi attribute for NEON.
8692         (arm_vector_mode_supported_p): Enable NEON vector modes.
8693         (arm_mangle_map_entry): New.
8694         (arm_mangle_map): New.
8695         (arm_mangle_vector_type): New.
8696         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __ARM_NEON__
8697         when appropriate.
8698         (TARGET_NEON): New macro. Target supports NEON.
8699         (fputype): Add FPUTYPE_NEON.
8700         (UNITS_PER_SIMD_WORD): Define. Allow quad-word registers to be used
8701         for vectorization based on command-line arg.
8702         (NEON_REGNO_OK_FOR_NREGS): Define.
8703         (VALID_NEON_DREG_MODE, VALID_NEON_QREG_MODE)
8704         (VALID_NEON_STRUCT_MODE): Define.
8705         (PRINT_OPERAND_PUNCT_VALID_P): '#' is valid punctuation.
8706         (arm_builtins): Add ARM_BUILTIN_NEON_BASE.
8707         * config/arm/arm.md (VUNSPEC_POOL_16): Insert constant for unspec.
8708         (consttable_16): Add pattern for outputting 16-byte minipool
8709         entries.
8710         (movv2si, movv4hi, movv8qi): Remove blank expanders (redefined in
8711         vec-common.md).
8712         (vec-common.md, neon.md): Include md files.
8713         * config/arm/arm.opt (mvectorize-with-neon-quad): Add option.
8714         * config/arm/constraints.md (constraint "Dn", "Dl", "DL"): Define.
8715         (memory_constraint "Ut", "Un", "Us"): Define.
8716         * config/arm/iwmmxt.md (VMMX, VSHFT): New mode macros.
8717         (MMX_char): New mode attribute.
8718         (addv8qi3, addv4hi3, addv2si3): Remove. Replace with...
8719         (*add<mode>3_iwmmxt): New insn pattern.
8720         (subv8qi3, subv4hi3, subv2si3): Remove. Replace with...
8721         (*sub<mode>3_iwmmxt): New insn pattern.
8722         (mulv4hi3): Rename to...
8723         (*mulv4hi3_iwmmxt): This.
8724         (smaxv8qi3, smaxv4hi3, smaxv2si3, umaxv8qi3, umaxv4hi3)
8725         (umaxv2si3, sminv8qi3, sminv4hi3, sminv2si3, uminv8qi3)
8726         (uminv4hi3, uminv2si3): Remove. Replace with...
8727         (*smax<mode>3_iwmmxt, *umax<mode>3_iwmmxt, *smin<mode>3_iwmmxt)
8728         (*umin<mode>3_iwmmxt): These.
8729         (ashrv4hi3, ashrv2si3, ashrdi3_iwmmxt): Replace with...
8730         (ashr<mode>3_iwmmxt): This new pattern.
8731         (lshrv4hi3, lshrv2si3, lshrdi3_iwmmxt): Replace with...
8732         (lshr<mode>3_iwmmxt): This new pattern.
8733         (ashlv4hi3, ashlv2si3, ashldi3_iwmmxt): Replace with...
8734         (ashl<mode>3_iwmmxt): This new pattern.
8735         * config/arm/neon-docgen.ml: New file. Generate documentation for
8736         intrinsics.
8737         * config/arm/neon-gen.ml: New file. Generate arm_neon.h header.
8738         * config/arm/arm_neon.h: New (autogenerated).
8739         * config/arm/neon-testgen.ml: New file. Generate NEON tests
8740         automatically.
8741         * config/arm/neon.md: New file. Define NEON instructions.
8742         * config/arm/neon.ml: New file. Abstract description of NEON
8743         instructions, used to generate arm_neon.h header, documentation and
8744         tests.
8745         * config/arm/t-arm (MD_INCLUDES): Add vec-common.md, neon.md.
8746         * vec-common.md: New file. Shared parts for iWMMXt and NEON vector
8747         support.
8748         * doc/extend.texi (ARM Built-in Functions): Rename and remove
8749         extraneous comma.
8750         (ARM NEON Intrinsics): New subsection.
8751         * doc/arm-neon-intrinsics.texi: New (autogenerated).
8752
8753 2007-07-25  Danny Smith   <dannysmith@users.sourceforge.net>
8754
8755         * config/i386/i386-protos.h (i386_pe_asm_file_end): Remove
8756         prototype.
8757
8758 2007-07-24  Jan Hubicka  <jh@suse.cz>
8759
8760         * regclass.c (move_table): New type.
8761         (move_cost, may_move_in_cost, may_move_out_cost): Use it.
8762         (init_move_cost): Break out from ...
8763         (init_reg_sets_1): ... here; simplify computation of
8764         have_regs-of_mode and contains_reg_of_mode.
8765         (record_reg_classes): Unswitch internal loops.
8766         (copy_cost): Trigger lazy initialization of move cost
8767         (record_address_regs): Likewise.
8768
8769 2007-07-24  Daniel Berlin  <dberlin@dberlin.org>
8770
8771         * config/darwin.c (darwin_override_options): Don't force on
8772         flag_var_tracking_uninit when no debug info is requested.
8773
8774 2007-07-25  Zdenek Dvorak  <dvorakz@suse.cz>
8775
8776         * cfgloop.c (init_loops_structure): New function.
8777         (flow_loops_find): Create root of the loop tree unconditionally.
8778
8779 2007-07-24  Daniel Jacobowitz  <dan@codesourcery.com>
8780
8781         * tree-ssa-ccp.c (fold_const_aggregate_ref): Use fold_convert.
8782
8783 2007-07-24  Jan Hubicka  <jh@suse.cz>
8784
8785         * caller-save.c: Include ggc.h, gt-caller-save.h
8786         (reg_save_code, reg_restore_code): Rename to ...
8787         (cached_reg_save_code, cached_reg_restore_code): ... those.
8788         (savepat, restpat, test_reg, test_mem, saveinsn, restinsn): New.
8789         (reg_save_code, reg_restore_code): New functions.
8790         (init_caller_save): Do not intialize
8791         reg_save_code/reg_restore_code tables.
8792         * Makefile.in: (gt-caller-save.h): New.
8793
8794 2007-07-24  Andreas Krebbel  <krebbel1@de.ibm.com>
8795
8796         * tree-ssa-ifcombine.c (ifcombine_ifandif): Use a ONE operand
8797         with the mode of the original operand instead of
8798         integer_one_node.
8799
8800 2007-07-23  Jan Hubicka  <jH@suse.cz>
8801
8802         * i386.c (ix86_secondary_memory_needed): Break out to...
8803         (inline_secondary_memory_needed): ... here.
8804         (ix86_memory_move_cost): Break out to ...
8805         (inline_memory_move_cost): ... here; add support for IN value of 2 for
8806         maximum of input and output; fix handling of Q_REGS on 64bit.
8807         (ix86_secondary_memory_needed): Microoptimize.
8808
8809 2007-07-23  Sebastian Pop  <sebpop@gmail.com>
8810
8811         * tree-data-ref.c (find_vertex_for_stmt, create_rdg_edge_for_ddr,
8812         create_rdg_edges_for_scalar, create_rdg_edges, create_rdg_vertices,
8813         stmts_from_loop, known_dependences_p, build_rdg): New.
8814         * tree-data-ref.h: Depends on graphds.h.
8815         (rdg_vertex, RDGV_STMT, rdg_dep_type, rdg_edge, RDGE_TYPE): New.
8816         (build_rdg): Declared.
8817         * Makefile.in (TREE_DATA_REF_H): Depends on graphds.h.
8818
8819 2007-07-23  Daniel Berlin  <dberlin@dberlin.org>
8820
8821         * tree-ssa-propagate.c (valid_gimple_expression_p): Match up with
8822         ccp_min_invariant.
8823
8824 2007-07-23  Peter Bergner  <bergner@vnet.ibm.com>
8825             Jakub Jelinek  <jakub@redhat.com>
8826
8827         PR middle-end/PR28690
8828         * optabs.c (expand_binop): (emit_cmp_and_jump_insns): Allow
8829         EQ compares.
8830         * rtlanal.c (commutative_operand_precedence): Prefer both REG_POINTER
8831         and MEM_POINTER operands over REG and MEM operands.
8832         (swap_commutative_operands_p): Change return value to bool.
8833         * rtl.h: Update the corresponding prototype.
8834         * tree-ssa-address.c (gen_addr_rtx): Use simplify_gen_binary
8835         instead of gen_rtx_PLUS.
8836         * simplify-rtx.c (simplify_plus_minus_op_data_cmp): Change return
8837         value to bool.  Change function arguments to rtx's and update code
8838         to match.
8839         (simplify_plus_minus): Update the simplify_plus_minus_op_data_cmp
8840         calls to match the new declaration.
8841         * simplify-rtx.c (simplify_associative_operation): Don't
8842         reorder simplify_binary_operation arguments.
8843
8844 2007-07-23  Richard Sandiford  <richard@codesourcery.com>
8845
8846         * config/mips/mips.c (override_options): Use mips_costs to derive
8847         the default branch cost.
8848         * config/mips/mips.h (BRANCH_COST): Use mips_branch_cost rather
8849         than mips_costs.
8850         * config/mips/mips.opt (mbranch-cost=): New option.
8851         * doc/invoke.texi (-mbranch-cost): Document new MIPS option.
8852
8853 2007-07-23  Richard Sandiford  <richard@codesourcery.com>
8854
8855         * config/mips/mips.h (GR_REG_CLASS_P, COP_REG_CLASS_P): Delete.
8856         (SECONDARY_MEMORY_NEEDED): Delete commented-out definition.
8857         * config/mips/mips.c (mips_register_move_cost): Use reg_class_subset_p
8858         instead of GR_REG_CLASS_P and COP_REG_CLASS_P.
8859
8860 2007-07-23  Richard Sandiford  <richard@codesourcery.com>
8861
8862         * config/mips/constraints.md (ks): New constraint.
8863         * config/mips/mips.md (*add<mode>3_sp1, *add<mode>3_sp2): Fold into...
8864         (*add<mode>3_mips16): ...here.
8865
8866 2007-07-21  Uros Bizjak  <ubizjak@gmail.com>
8867
8868         * optabs.h (enum optab_index): Add new OTI_signbit.
8869         (signbit_optab): Define corresponding macro.
8870         (enum insn_code signbit_optab[]): Remove array.
8871         * optabs.c (init_optabs): Initialize signbit_optab using init_optab.
8872         (expand_copysign_absneg): If back end provides signbit insn, use it
8873         instead of bit operations on floating point argument.
8874         * builtins.c (enum insn_code signbit_optab[]): Remove array.
8875         (expand_builtin_signbit): Check signbit_optab->handlers[].insn_code
8876         for availability of signbit insn.
8877
8878         * config/i386/i386.md (signbit<mode>2): New insn pattern to implement
8879         signbitf, signbit and signbitl built-ins as inline x87 intrinsics when
8880         SSE mode is not active.
8881         (isinf<mode>2): Disable for mfpmath=sse,387.
8882
8883 2007-07-22  Ben Elliston  <bje@au.ibm.com>
8884
8885         * regclass.c (invalid_mode_change_p): Attach ATTRIBUTE_UNUSED to
8886         `class' parameter.
8887         * struct-equiv.c (note_local_live): Likewise for `y_regno'.
8888
8889 2007-07-20  Richard Guenther  <rguenther@suse.de>
8890
8891         * tree-cfg.c (verify_expr): COND_EXPRs can have any
8892         integral typed condition.
8893         * tree-ssa.c (useless_type_conversion_p): Do not preserve
8894         booleanness.  Only preserve conversions from a non-base
8895         type to a base type, not in general between types with
8896         different TYPE_MIN_VALUE or TYPE_MAX_VALUE.
8897         * tree.def (COND_EXPR): Document that the condition
8898         can be of any integral type.
8899
8900 2007-07-20  Nigel Stephens  <nigel@mips.com>
8901             Richard Sandiford  <richard@codesourcery.com>
8902
8903         * config/mips/mips.h (mips_dwarf_regno): Declare.
8904         (DBX_REGISTER_NUMBER): Remove redundant brackets.
8905         (HI_REGNUM, LO_REGNUM): Define in an endian-dependent way.
8906         (AC1HI_REGNUM, AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM)
8907         (AC3HI_REGNUM, AC3LO_REGNUM, ACC_HI_REG_P): Delete.
8908         (reg_class): Rename HI_REG to MD0_REG and LO_REG to MD1_REG.
8909         (REG_CLASS_NAMES): Update accordingly.
8910         * config/mips/mips.c (mips_dwarf_regno): New array.
8911         (mips_regno_to_class): Rename HI_REG to MD0_REG and LO_REG to MD1_REG.
8912         (mips_subword): Remove special handling for accumulator registers.
8913         (override_options): Initiailize mips_dwarf_regno.  Remove use
8914         of ACC_HI_REG_P.
8915         (mips_swap_registers): New function.
8916         (mips_conditional_register_usage): Swap accumulator registers
8917         around if TARGET_LITTLE_ENDIAN.
8918         (mips_cannot_change_mode_class): Remove special treatment of ACC_REGS.
8919         * config/mips/constraints.md (h, l): Use the endianness to choose
8920         between MD0_REG and MD1_REG.
8921         * config/mips/mips.md (*mfhilo_<mode>_macc): Use a fixed-string,
8922         alternative-dependent template.
8923
8924 2007-07-20  Richard Sandiford  <richard@codesourcery.com>
8925
8926         * config/arm/arm.md (movsi): Use can_create_pseudo_p instead of
8927         no_new_pseudos.
8928
8929 2007-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
8930
8931         * function.c (thread_prologue_and_epilogue_insns): Fix exit
8932         predecessor fallthru flags.
8933
8934 2007-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
8935
8936         * tree-ssa-loop-niter.c (assert_loop_rolls_lt): Convert the operands
8937         of compare to the same type.
8938         * cfgloopmanip.c (add_loop): Update information about loop exits.
8939         (loop_version): Remove the innermost loop requirement.
8940         * tree-ssa-loop-manip.c (determine_exit_conditions): Convert bounds
8941         to sizetype for pointers.
8942
8943 2007-07-18  H.J. Lu  <hongjiu.lu@intel.com>
8944
8945         * Makefile.in (D32PBIT_FUNCS): Add _sd_to_tf and _tf_to_sd.
8946         (D64PBIT_FUNCS): Add _dd_to_tf and _tf_to_dd.
8947         (D128PBIT_FUNCS): Add _td_to_tf and _tf_to_td.
8948
8949         * config/dfp-bit.c: Empty for TFmode conversions.
8950
8951 2007-07-18  Caroline Tice  <ctice@apple.com>
8952         
8953         * var-tracking.c (find_src_status): Check for  COND_EXEC insns
8954         and handle them correctly; check that src is not NULL before
8955         trying to use it.
8956         (find_src_set_src): Likewise.
8957         
8958 2007-07-18  Bob Wilson  <bob.wilson@acm.org>
8959         
8960         * config/xtensa/xtensa.c (xtensa_expand_mask_and_shift): New.
8961         (struct alignment_context, init_alignment_context): New.
8962         (xtensa_expand_compare_and_swap, xtensa_expand_atomic): New.
8963         * config/xtensa/xtensa.h (XCHAL_HAVE_RELEASE_SYNC): Add default.
8964         (XCHAL_HAVE_S32C1I): Likewise.
8965         (TARGET_RELEASE_SYNC, TARGET_S32C1I): New.
8966         * config/xtensa/xtensa.md (UNSPECV_MEMW): New constant.
8967         (UNSPECV_S32RI, UNSPECV_S32C1I): Likewise.
8968         (ATOMIC, HQI): New macros.
8969         (memory_barrier, *memory_barrier): New.
8970         (sync_lock_releasesi): New.
8971         (sync_compare_and_swapsi, sync_compare_and_swap<mode>): New.
8972         (sync_lock_test_and_set<mode>): New.
8973         (sync_<atomic><mode>): New.
8974         (sync_old_<atomic><mode>, sync_new_<atomic><mode>): New.
8975         * config/xtensa/xtensa-protos.h (xtensa_expand_compare_and_swap): New.
8976         (xtensa_expand_atomic): New.
8977         
8978 2007-07-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8979
8980         PR target/30652
8981
8982         * builtins.c (expand_builtin_interclass_mathfn): Provide a generic
8983         transformation for builtin ISNORMAL.
8984         (expand_builtin): Handle BUILT_IN_ISNORMAL.
8985         * builtins.def (BUILT_IN_ISNORMAL): New.
8986         * doc/extend.texi: Document isnormal.
8987
8988 2007-07-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8989
8990         PR target/30652
8991
8992         * builtins.c (expand_builtin_interclass_mathfn): Allow for missing
8993         optabs infrastructure.  Provide generic implementation for
8994         FINITE/ISFINITE.
8995         (expand_builtin): Handle FINITE/ISFINITE.
8996         (fold_builtin_classify): Make ISFINITE canonical instead of FINITE.
8997         (fold_builtin_1): Likewise.
8998
8999         * builtins.def (BUILT_IN_ISFINITE): New.
9000
9001         * doc/extend.texi: Document isfinite.
9002
9003 2007-07-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9004
9005         PR target/30652
9006         PR middle-end/20558
9007
9008         * builtins.c (expand_builtin_interclass_mathfn): Provide a
9009         generic fallback for isinf.
9010         * c-cppbuiltin.c (builtin_define_float_constants): Move FP max
9011         calculation code ...
9012         * real.c (get_max_float): ... to here.
9013         * real.h (get_max_float): New.
9014
9015 2007-07-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9016
9017         PR middle-end/32668
9018
9019         * builtin-attrs.def (ATTR_TYPEGENERIC,
9020         ATTR_CONST_NOTHROW_TYPEGENERIC): New.
9021
9022         * builtins.def (BUILT_IN_ISINF, BUILT_IN_ISNAN,
9023         BUILT_IN_ISGREATER, BUILT_IN_ISGREATEREQUAL, BUILT_IN_ISLESS,
9024         BUILT_IN_ISLESSEQUAL, BUILT_IN_ISLESSGREATER,
9025         BUILT_IN_ISUNORDERED): Use ATTR_CONST_NOTHROW_TYPEGENERIC.
9026
9027         * c-common.c (handle_type_generic_attribute): New.
9028         (c_common_attribute_table): Add "type generic".
9029
9030         * c-typeck.c (convert_arguments): Handle "type generic" functions.
9031
9032 2007-07-18  Daniel Berlin  <dberlin@dberlin.org>
9033
9034         * tree-ssa-sccvn.c (try_to_simplify): Use valid_gimple_expression
9035         * tree-ssa-propagate (valid_gimple_expression): Handle ADDR_EXPR
9036         properly.
9037
9038 2007-07-18  Rask Ingemann Lambertsen  <rask@sygehus.dk>
9039
9040         PR target/32808
9041         * config/cris/cris.c (cris_print_index): Don't use XEXP before
9042         checking that the operand is an expression.
9043
9044 2007-07-19  Christoph von Wittich  <Christoph_vW@reactos.org>
9045             Danny Smith  <dannysmith@users.sourceforge.net>
9046
9047         PR/other 30335
9048         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Put
9049         file mapping object in local namespace if Windows version later
9050         than NT4
9051
9052 2007-07-18  Richard Sandiford  <richard@codesourcery.com>
9053
9054         * config/arm/arm-protos.h (arm_cannot_force_const_mem): Declare.
9055         * config/arm/arm.c (TARGET_CANNOT_FORCE_CONST_MEM): Redefine to
9056         arm_cannot_force_const_mem.
9057         (arm_cannot_force_const_mem): New function.
9058         * config/arm/arm.h (ARM_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): New macro.
9059         (LEGITIMATE_CONSTANT_P): Test arm_cannot_force_const_mem instead
9060         of arm_tls_referenced_p.
9061         * config/arm/arm.md (movsi): Split out-of-section constants when
9062         ARM_OFFSETS_MUST_BE_WITHIN_SECTIONS_P.
9063         * config/arm/vxworks.h (ARM_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
9064
9065 2007-07-18  Richard Sandiford  <richard@codesourcery.com>
9066
9067         * config/mips/mips.md (clear_cache): Treat the size argument as Pmode.
9068
9069 2007-07-18  Richard Sandiford  <richard@codesourcery.com>
9070
9071         * config/mips/mips.md (*extendqihi2): Convert the destination
9072         to SImode.
9073
9074 2007-07-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9075
9076         * config/pa/fptr.c: Update license header.
9077         * config/pa/milli64.S: Likewise.
9078
9079 2007-07-17  Nick Clifton  <nickc@redhat.com>
9080
9081         * COPYING_v3: New file.  Contains version 3 of the GNU General
9082         Public License.
9083         * COPYING.LIB_v3: New file.  Contains version 3 of the GNU
9084         Lesser General Public License.
9085         * doc/include/gpl_v3.texi: New file.  Contains version 3 of
9086         the GNU General Public License.
9087
9088 2007-07-17  Zdenek Dvorak  <dvorakz@suse.cz>
9089
9090         PR rtl-optimization/32773
9091         * cfglayout.c (force_one_exit_fallthru): New function.
9092         (cfg_layout_finalize): Use it.
9093
9094 2007-07-16  Richard Guenther  <rguenther@suse.de>
9095             Uros Bizjak  <ubizjak@gmail.com>
9096
9097         * tree-if-conv.c (find_phi_replacement_condition): Unshare "*cond"
9098         before forcing it to gimple operand.
9099
9100 2007-07-16  Sandra Loosemore  <sandra@codesourcery.com>
9101             David Ung  <davidu@mips.com>
9102
9103         * config/mips/mips.h (TUNE_24K): Define.
9104         (TUNE_MACC_CHAINS): Add TUNE_24K.
9105         * config/mips/mips.md: (*mul_acc_si, *mul_sub_si): Change type to
9106         imadd.
9107         * config/mips/74k.md (r74k_int_mult): Split madd/msub to ..
9108         (r74k_int_madd): .. this new reservation.
9109         (define_bypass): Fixed bypasses for r74k_int_madd to use
9110         mips_linked_madd_p.
9111         * config/mips/24k.md (define_bypass): Define new
9112         r24k_int_mul3->r24k_int_madd bypass using mips_linked_madd_p.
9113
9114 2007-07-16  Sandra Loosemore  <sandra@codesourcery.com>
9115             Nigel Stephens  <nigel@mips.com>
9116
9117         * config/mips/mips.md: Include 20kc.md.
9118         * config/mips/20kc.md: New file.
9119         * config/mips/mips.c (mips_rtx_cost_data): Fill in 20Kc costs.
9120         (mips_adjust_cost): Tweak for 20Kc.
9121         (mips_issue_rate): Likewise.
9122         * config/mips/mips.h (TUNE_20KC): Define.
9123
9124 2007-07-16  David Edelsohn  <edelsohn@gnu.og>
9125
9126         * config/rs6000/rs6000.c (struct processor_cost): Add
9127         cache_line_size, l1_cache_lines, and simultaneous_prefetches
9128         fields.
9129         (*_cost): Add cache information.
9130         (rs6000_override_options): Set cache parameters.
9131
9132 2007-07-16  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
9133
9134         PR bootstrap/3456
9135         * config.gcc (mips-sgi-irix[56]*): Enable pthread support.
9136         * doc/install.texi (mips-sgi-irix6): pthread support works now.
9137
9138 2007-07-16  Paul Brook  <paul@codesourcery.com>
9139
9140         PR target/32753
9141         * config/arm/cirrus.md (cirrus_arm_movsi_insn): Remove dead insn.
9142         (cirrus_thumb2_movsi_insn): Ditto.
9143
9144 2007-07-15  Geoffrey Keating  <geoffk@apple.com>
9145
9146         * config/rs6000/darwin-fallback.c (interpret_libc): Change
9147         CR2_REGNO to R_CR2.
9148
9149 2007-07-15  Andrew Haley  <aph@redhat.com>
9150
9151         * unwind-sjlj.c (_Unwind_GetIPInfo): Check for context->fc != NULL
9152         before looking in the context.
9153
9154 2007-07-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9155
9156         PR middle-end/32398
9157         PR middle-end/32769
9158         * pa-protos.h (pa_eh_return_handler_rtx): Declare.
9159         * pa.c (pa_extra_live_on_entry, rp_saved): Declare.
9160         (TARGET_EXTRA_LIVE_ON_ENTRY): Define.
9161         (pa_output_function_prologue): Use rp_saved and
9162         current_function_is_leaf to generate .CALLINFO statement.
9163         (hppa_expand_prologue): Set rp_saved.
9164         (hppa_expand_epilogue): Use rp_saved.
9165         (pa_extra_live_on_entry, pa_eh_return_handler_rtx): New functions.
9166         * pa.h (EH_RETURN_HANDLER_RTX): Use pa_eh_return_handler_rtx.
9167
9168 2007-07-14  Dirk Mueller  <dmueller@suse.de>
9169
9170         * omega.c (coalesce): Fix memory leak on early exit.
9171         * matrix-reorg.c (check_allocation_function): Likewise.
9172         * tree-vect-transform.c (vect_get_new_vect_var): free result
9173         of concat().
9174         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
9175         pass pointer to edge vector
9176         (partition_hot_cold_basic_blocks): Fix memory leak.
9177         * collect2.c (prefix_from_string): Free temporary storage.
9178         * reload1.c (fixup_abnormal_edges): Free sbitmap.
9179
9180 2007-07-14  Kaz Kojima  <kkojima@gcc.gnu.org>
9181
9182         * config/sh/sh.h (DO_GLOBAL_CTORS_BODY): Add void to prototype.
9183         (DO_GLOBAL_DTORS_BODY): Likewise.
9184
9185 2007-07-14  Sandra Loosemore  <sandra@codesourcery.com>
9186             Nigel Stephens  <nigel@mips.com>
9187
9188         * config/mips/mips.c (mips_classify_symbol): Don't return
9189         SYMBOL_SMALL_DATA for constant pool addresses if
9190         TARGET_EMBEDDED_DATA is true.
9191
9192 2007-07-14  Uros Bizjak  <ubizjak@gmail.com>
9193
9194         * config/i386/i386.c (init_mmx_sse_builtins): Define all builtins
9195         except __builtin_ia32_emms, __builtin_ia32_ldmxcsr,
9196         __builtin_ia32_stmxcsr, __builtin_ia32_maskmovq, __builtin_ia32_loadups,
9197         __builtin_ia32_storeups, __builtin_ia32_loadhps, __builtin_ia32_loadlps,
9198         __builtin_ia32_storehps, __builtin_ia32_storelps,
9199         __builtin_ia32_movntps, __builtin_ia32_movntq, __builtin_ia32_sfence,
9200         __builtin_ia32_femms, __builtin_ia32_maskmovdqu, __builtin_ia32_loadupd,
9201         __builtin_ia32_storeupd, __builtin_ia32_loadhpd, __builtin_ia32_loadlpd,
9202         __builtin_ia32_movnti, __builtin_ia32_movntpd, __builtin_ia32_movntdq,
9203         __builtin_ia32_clflush, __builtin_ia32_lfence, __builtin_ia32_mfence,
9204         __builtin_ia32_loaddqu, __builtin_ia32_storedqu, __builtin_ia32_monitor,
9205         __builtin_ia32_mwait, __builtin_ia32_lddqu, __builtin_ia32_movntdqa,
9206         __builtin_ia32_movntsd and __builtin_ia32_movntss as const builtins
9207         using def_builtin_const.
9208
9209 2007-07-14  Eric Botcazou  <ebotcazou@adacore.com>
9210
9211         PR tree-optimization/32705
9212         * tree-ssa-sccvn.c (set_ssa_val_to): Accept VN_TOP as value number.
9213         (simplify_binary_expression): Use SSA_VAL consistently.
9214
9215 2007-07-13  David Edelsohn  <edelsohn@gnu.org>
9216
9217         * config/rs6000/spe.md (SPE_ACC_REGNO): Delete definition.
9218         (SPEFSCR_REGNO): Delete definition.
9219         * config/rs6000/rs6000.c: LINK_REGISTER_REGNUM -> LR_REGNO.
9220         COUNT_REGISTER_REGNUM -> CTR_REGNO.
9221         * config/rs6000/rs6000.h: Do not define *_REGNO.
9222         LINK_REGISTER_REGNUM -> LR_REGNO.
9223         COUNT_REGISTER_REGNUM -> CTR_REGNO.
9224         * config/rs6000/predicates.md: LINK_REGISTER_REGNUM ->  LR_REGNO.
9225         COUNT_REGISTER_REGNUM -> CTR_REGNO.
9226         * config/rs6000/linux-unwind.h: Define R_LR, R_CR2, R_VR0,
9227         R_VRSAVE, R_VSCR. Use them.
9228         * config/rs6000/darwin-fallback.c: Define R_LR, R_CTR, R_CR2,
9229         R_XER, R_VR0, R_VRSAVE, R_VSCR, R_SPEFSCR.  Use them.
9230         * config/rs6000/rs6000.md: Define REGNO constants.  Use them.
9231         * config/rs6000/aix.h: Define R_LR.  Use it.
9232         
9233 2007-07-13  Caroline Tice  <ctice@apple.com>
9234         
9235         * toplev.c (process_options): Turn flag_var_tracking_uninit off when
9236         flag_var_tracking is explicitly turned off (i.e. when variable
9237         tracking is not feasible); otherwise, turn flag_var_tracking on when
9238         flag_var_tracking_uninit is on.
9239         * rtl.def (VAR_LOCATION): Add a new integer subfield to VAR_LOCATION
9240         note definitions, to allow recording of initialization status in the
9241         notes.
9242         * dwarf2out.c (dwarf_stack_op_name): Add case for DW_OP_GNU_uninit.
9243         (add_var_loc_to_decl): Add comparison of NOTE_VAR_LOCATION_STATUS to
9244         determine if two note locations are equal.
9245         (output_loc_list): Don't output list entries whose start & end labels
9246         are the same.
9247         (reg_loc_descriptor): Add parameter for initialization status; pass it
9248         to other loc descriptor functions.
9249         (one_reg_loc_descriptor): Add parameter for initialization status;
9250         check its value and add DW_OP_GNU_uninit to returned loc descr if
9251         appropriate.
9252         (multiple_reg_loc_descriptor): Add parameter for initialization
9253         status;
9254         pass init status argument to other loc descriptor functions; check
9255         value of intialization parameter and add DW_OP_GNU_uninit to returned
9256         loc descr if appropriate.
9257         (based_loc_descr): Add parameter for initialization status; add new
9258         variable for return value; check value of initialization parameter and
9259         add DW_OP_GNU_uninit to returned loc descr if appropriate.
9260         (concatn_mem_loc_descriptor): Add parameter for initialization status;
9261         pass init status argument to other loc descriptor functions; check
9262         value of intialization parameter and add DW_OP_GNU_uninit to returned
9263         loc descr if appropriate.
9264         (mem_loc_descriptor): Likewise.
9265         (concat_loc_descriptor): Likewise.
9266         (concatn_loc_descriptor): Likewise.
9267         (loc_descriptor): Add parameter for initialization status; pass it as
9268         argument to other loc descriptor function calls.
9269         (loc_descriptor_from_tree_1): Add appropriate initialization status
9270         to loc descriptor function calls.
9271         (add_location_or_const_value_attribute): Get initialization status
9272         from VAR_LOCATION note; add initialization status to loc descriptor
9273         function calls.
9274         * dwarf2.h (enum dwarf_location_atom): New op, DW_OP_GNU_uninit.
9275         * print-rtl.c (print_rtx): When printing a VAR_LOCATION note, if
9276         status is uninitialized, add "[uninint]" to output.
9277         * common.opt (fvar-tracking-uninit): New option, similar to
9278         fvar-tracking, to turn on tracking of uninitialized variables; creates
9279         a new global flag, flag_var_tracking_uninit.
9280         * rtl.h (NOTE_VAR_LOCATION_STATUS): New macro for accessing new field.
9281         (enum var_init_status): New type, for var initialization status field.
9282         * var-tracking.c (struct location_chain_def): Two new fields, init,
9283         for initialization status, and set_src for the assignment value expr.
9284         (unshare_variable): New parameter for initialization status;
9285         initialize new init and set_src fields.
9286         (var_reg_set): New parameters for initialization status and value;
9287         pass them to set_variable_part.
9288         (var_mem_set): Likewise.
9289         (get_init_value): New function.
9290         (var_reg_delete_and_set): New initialization status & value
9291         parameters; add call to get_init_value if status is unknown; pass new
9292         parameters to clobber_variable_part and var_reg_set.
9293         (var_mem_delete_and_set): Likewise.
9294         (var_reg_delete): Pass null set_src value to clobber_variable_part.
9295         (var_mem_delete): Likewise.
9296         (variable_union): Pass status to unshare_variable; initialize new init
9297         and set_src fields. If flag_var_tracking_uninit is not set, force
9298         status to initialized.
9299         (add_stores): Store insn, rather than NEXT_INSN(insn), so it can be
9300         used later to get the set_src value.
9301         (find_src_status): New function.
9302         (find_src_set_src): New function.
9303         (compute_bb_dataflow): Pass init status to calls to var_reg_set,
9304         var_mem_set, var_reg_delete_and_set and var_mem_delete_and_set; for
9305         MO_SET, get set_src value and pass it to var_reg_delete_and_set
9306         and var_mem_delete_and_set.
9307         (dump_variable): Print out "[uninit]" if appropriate.
9308         (set_variable_part): Add new initialization and set_src parameters;
9309         pass status to unshare_variable; set node->init and node- >set_src
9310         fields and modify slot in hash table appropriately; save the init and
9311         set_src values if appropriate and assign to the new node.
9312         (clobber_variable_part): New set_src parameter; if two nodes have
9313         same variable and same location but different set_src (assignment)
9314         values, clobber old node.
9315         (delete_variable_part): Pass init status to unshare_variable.
9316         (emit_note_insn_var_location): Add initialized var; assign var's init
9317         status to new 'initialized'; pass new init status field to calls to
9318         gen_rtx_VAR_LOCATION. If flag_var_tracking_uninit is not set, force
9319         status to initialized.
9320         (emit_notes_in_bb): Pass initialization status to calls to
9321         var_reg_set, var_mem_set, var_reg_delete_and_set and
9322         var_mem_delete_and_set; for MO_SET, get set_src value and pass it to
9323         var_reg_delete_and_set and var_mem_delete_and_set; call
9324         emit_notes_for_changes on NEXT_INSN(insn) rather than on insn, to
9325         make up for change in add_stores.
9326         (vt_add_function_parameters): Add status to calls to
9327         set_variable_part.
9328         * config/darwin.c (darwin_override_options): Turn on uninitialized
9329         tracking automatically, if var_tracking is on and the system is
9330         10.5 or higher.
9331         
9332 2007-07-13  Sa Liu  <saliu@de.ibm.com>
9333
9334         * config.gcc: Add options for arch and tune on SPU.
9335         * config/spu/predicates.md: Add constant operands 0 and 1.
9336         * config/spu/spu-builtins.def: Add builtins for double precision 
9337         floating point comparison: si_dfceq, si_dfcmeq, si_dfcgt, si_dfcmgt, 
9338         si_dftsv, spu_cmpeq_13, spu_cmpabseq_1, spu_cmpgt_13, spu_cmpabsgt_1,
9339         spu_testsv.
9340         * config/spu/spu-c.c: Define __SPU_EDP__ when builtins invoked with 
9341         a CELLEDP target.
9342         * config/spu/spu-protos.h: Add new function prototypes. 
9343         * config/spu/spu.c (spu_override_options): Check options -march and
9344         -mtune.
9345         (spu_comp_icode): Add comparison code for DFmode and vector mode.
9346         (spu_emit_branch_or_set): Use the new code for DFmode and vector 
9347         mode comparison.
9348         (spu_const_from_int): New.  Create a vector constant from 4 ints.
9349         (get_vec_cmp_insn): New.  Get insn index of vector compare instruction.
9350         (spu_emit_vector_compare): New.  Emit vector compare.
9351         (spu_emit_vector_cond_expr): New.  Emit vector conditional expression.
9352         * config/spu/spu.h: Add options -march and -mtune.  Define processor
9353         types PROCESSOR_CELL and PROCESSOR_CELLEDP.  Define macro
9354         CANONICALIZE_COMPARISON.
9355         * config/spu/spu.md: Add new insns for double precision compare
9356         and double precision vector compare.  Add vcond and smax/smin patterns
9357         to enable DFmode vector conditional expression.
9358         * config/spu/spu.opt: Add options -march and -mtune.
9359         * config/spu/spu_internals.h: Add builtins for CELLEDP target:
9360         si_dfceq, si_dfcmeq, si_dfcgt, si_dfcmgt, si_dftsv.  Add builtin for
9361         both CELL and CELLEDP targets: spu_testsv.
9362         * config/spu/spu_intrinsics.h: Add flag mnemonics for test special 
9363         values.
9364
9365 2007-07-13  Richard Guenther  <rguenther@suse.de>
9366
9367         PR tree-optimization/32721
9368         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Preserve
9369         TREE_THIS_VOLATILE on the folded reference.
9370         * tree-ssa-operands.c (get_expr_operands): Set has_volatile_ops
9371         if the array reference has TREE_THIS_VOLATILE set.
9372
9373 2007-07-13  H.J. Lu  <hongjiu.lu@intel.com>
9374
9375         PR other/32188
9376         * doc/libgcc.texi: Update DFP intrinsics for DPD and BID.
9377
9378 2007-07-13  Andreas Schwab  <schwab@suse.de>
9379
9380         * gengtype-lex.l: Allow declarations to be indented.
9381
9382 2007-07-12  Geoffrey Keating  <geoffk@apple.com>
9383
9384         * ginclude/tgmath.h: New.
9385         * config.gcc: Use GCC's tgmath.h on non-glibc systems.
9386         * doc/sourcebuild.texi (Headers): Document use_gcc_tgmath.
9387         * configure.ac (STMP_FIXPROTO): Honor use_gcc_tgmath.
9388         * configure: Regenerate.
9389
9390 2007-07-13  Kaz Kojima  <kkojima@gcc.gnu.org>
9391
9392         * config/sh/linux-unwind.h (sh_fallback_frame_state): Use
9393         correct index when setting register save state for xd
9394         registers.
9395
9396 2007-07-13  Kaz Kojima  <kkojima@gcc.gnu.org>
9397
9398         * config/sh/sh.c (mark_use): Remove.
9399
9400 2007-07-12  Paul Brook  <paul@codesourcery.com>
9401
9402         * config/arm/arm.c (thumb1_compute_save_reg_mask): Make sure scratch
9403         reg does not overlap return value.
9404
9405 2007-07-12  Daniel Berlin  <dberlin@dberlin.org>
9406
9407         * tree-ssa-pre.c (get_expression_vuses): Move out side-effect.
9408         (set_expression_vuses): Ditto.
9409         (init_pre): Initialize expression_vuses.
9410
9411 2007-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
9412
9413         * config/i386/sse.md (storentdf, storentsf): New.
9414
9415 2007-07-12  Geoffrey Keating  <geoffk@apple.com>
9416
9417         * builtins.c (get_pointer_alignment): Honor DECL_ALIGN on a
9418         FUNCTION_DECL.
9419         * tree.c (build_decl_stat): Move code from here...
9420         (make_node_stat): ... to here.  Don't uselessly clear DECL_USER_ALIGN.
9421         (expr_align): Honor DECL_ALIGN on a FUNCTION_DECL.  Add comment
9422         about using DECL_ALIGN of LABEL_DECL and CONST_DECL.
9423         * tree.h (DECL_USER_ALIGN): Fix misplaced comment.
9424         * varasm.c (assemble_start_function): Use DECL_ALIGN instead of
9425         FUNCTION_BOUNDARY.
9426
9427 2007-07-12  Dorit Nuzman  <dorit@il.ibm.com>
9428             Devang Patel  <dpatel@apple.com>
9429
9430         PR tree-optimization/25413
9431         * targhooks.c (default_builtin_vector_alignment_reachable): New.
9432         * targhooks.h (default_builtin_vector_alignment_reachable): New.
9433         * tree.h (contains_packed_reference): New.
9434         * expr.c (contains_packed_reference): New.
9435         * tree-vect-analyze.c (vector_alignment_reachable_p): New.
9436         (vect_enhance_data_refs_alignment): Call
9437         vector_alignment_reachable_p.
9438         * target.h (vector_alignment_reachable): New builtin.
9439         * target-def.h (TARGET_VECTOR_ALIGNMENT_REACHABLE): New.
9440         * config/rs6000/rs6000.c (rs6000_vector_alignment_reachable): New.
9441         (TARGET_VECTOR_ALIGNMENT_REACHABLE): Define.
9442
9443 2007-07-12  Dorit Nuzman  <dorit@il.ibm.com>
9444
9445         * target.h (builtin_vectorization_cost): Add new target builtin.
9446         * target-def.h (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): New.
9447         * tree-vectorizer.h (TARG_SCALAR_STMT_COST): New.
9448         (TARG_SCALAR_LOAD_COST, TARG_SCALAR_STORE_COST): New.
9449         * tree-vect-analyze.c (vect_analyze_slp_instance): Initisliaze
9450         uninitialized variables.
9451         * tree-vect-transform.c (cost_for_stmt): New function.
9452         (vect_estimate_min_profitable_iters): Call cost_for_stmt instead of
9453         using cost 1 for all scalar stmts. Be less conservative when
9454         estimating the number of prologue/epulogue iterations. Call
9455         targetm.vectorize.builtin_vectorization_cost. Return
9456         min_profitable_iters-1.
9457         (vect_model_reduction_cost): Use TARG_SCALAR_TO_VEC_COST for
9458         initialization cost instead of TARG_VEC_STMT_COST. Use
9459         TARG_VEC_TO_SCALAR_COST instead of TARG_VEC_STMT_COST for reduction
9460         epilogue code. Fix epilogue cost computation.
9461         * config/spu/spu.c (spu_builtin_vectorization_cost): New.
9462         (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Implement.
9463         * config/spu/spu.h (TARG_COND_BRANCH_COST, TARG_SCALAR_STMT_COST):
9464         (TARG_SCALAR_LOAD_COST, TARG_SCALAR_STORE_COST, TARG_VEC_STMT_COST):
9465         (TARG_VEC_TO_SCALAR_COST, TARG_SCALAR_TO_VEC, TARG_VEC_LOAD_COST):
9466         (TARG_VEC_UNALIGNED_LOAD_COST, TARG_VEC_STORE_COST): Define.
9467
9468 2007-07-12  Richard Guenther  <rguenther@suse.de>
9469
9470         * gimplify.c (gimplify_conversion): Make sure that the result
9471         from maybe_fold_offset_to_reference is trivially convertible
9472         to the desired type before doing the simplification.
9473         (gimplify_expr): Likewise.
9474         * fold-const.c (fold_binary): Use the correct types for
9475         building the simplified expression.
9476
9477 2007-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
9478
9479         PR rtl-optimization/32729
9480         * cfghooks.c (can_duplicate_block_p): Do not forbid duplicating blocks
9481         that fallthru to exit.
9482
9483 2007-07-12  Kaz Kojima  <kkojima@gcc.gnu.org>
9484
9485         * config/sh/sh.md (symGOTOFF2reg): Add missing parenthesis.
9486         (symDTPOFF2reg): Likewise.
9487
9488 2007-07-11  Daniel Berlin  <dberlin@dberlin.org>
9489
9490         PR tree-optimization/32663
9491         
9492         * tree.h (VALUE_HANDLE_VUSES): Remove.
9493         (struct tree_value_handle): Remove vuses.
9494
9495         * tree-vn.c (create_value_handle_for_expr): Don't set
9496         VALUE_HANDLE_VUSES. 
9497
9498         * tree-ssa-pre.c (expression_vuses): New.
9499         (alloc_expression_id): Set up expression_vuses.
9500         (get_expression_vuses): New.
9501         (set_expression_vuses): Ditto.
9502         (clear_expression_ids): Modify for expression_vuses.
9503         (phi_translate_1): Ditto.
9504         (phi_translate_set): Ditto.
9505         (value_dies_in_block_x): Ditto
9506         (valid_in_sets): Ditto.
9507         (add_to_sets): Ditto.
9508         (find_existing_value_expr): Ditto.
9509         (create_value_handle_for_expr): Ditto.
9510         (make_values_for_stmt): Ditto.
9511         (vuse_equiv): Remove.
9512
9513 2007-07-11  Alexandre Oliva  <aoliva@redhat.com>
9514
9515         * Makefile.in (mostlyclean): Remove object files.
9516
9517 2007-07-11  Kenneth Zadeck <zadeck@naturalbridge.com>
9518
9519         * toplev.c (no_new_pseudos): Deleted.
9520         * rtl.h (no_new_pseudos): Deleted.
9521         * tree-pass.h (pass_no_new_pseudos): Deleted. 
9522         * passes.c (pass_no_new_pseudos): Deleted.
9523         * final.c (rest_of_clean_state): Removed no_new_pseudos.
9524         (rest_of_no_new_pseudos, pass_no_new_pseudos): Deleted.
9525         * struct-equiv.c (rtx_equiv_p): Replaced no_new_pseudos with 
9526         reload_completed.
9527         * cfgcleanup.c (try_crossjump_to_edge): Ditto. 
9528         * rtlhooks.c (gen_lowpart_general): Ditto.
9529         * optabs.c (prepare_operand): Ditto.
9530         * mode-switching.c (rest_of_handle_mode_switching): Deleted set of
9531         no_new_pseudos.
9532         * modulo-sched.c (rest_of_handle_sms): Ditto.
9533         * see.c (rest_of_handle_see): Ditto.
9534         * ifcvt.c (if_convert): Ditto.
9535         (gate_handle_if_after_combine): Replaced no_new_pseudos with 
9536         reload_completed.
9537         * init-regs.c (gate_initialize_regs): Deleted set of
9538         no_new_pseudos.
9539         * lower-subreg.c (decompose_multiword_subregs): Ditto. 
9540         * bb-reorder.c (rest_of_handle_partition_blocks): Ditto.
9541         * doc/md.texi: Changed no_new_pseudos to can_create_pseudo_p.
9542         
9543 2007-07-11  Uros Bizjak  <ubizjak@gmail.com>
9544
9545         PR target/32661
9546         * config/i386/sse.md (*sse2_storeq_rex64): Handle 64bit mem->reg moves.
9547         (*vec_extractv2di_1_sse2): Disable for TARGET_64BIT.
9548         (*vec_extractv2di_1_rex64): New insn pattern.
9549
9550 2007-07-11  David Daney  <ddaney@avtrex.com>
9551
9552         * config/mips/linux-unwind.h (mips_fallback_frame_state): Rewrite
9553         return address calculation.  Substitute DWARF_ALT_FRAME_RETURN_COLUMN
9554         for SIGNAL_UNWIND_RETURN_COLUMN.
9555         * config/mips/mips.h (SIGNAL_UNWIND_RETURN_COLUMN): Remove.
9556         (DWARF_FRAME_REGNUM): Rewrite.
9557         (DWARF_ALT_FRAME_RETURN_COLUMN) Define.
9558
9559 2007-07-11  Nick Clifton  <nickc@redhat.com>
9560
9561         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Revert previous
9562         delta and use gen_int_mode in place of GET_INT instead.
9563
9564 2007-07-11  Uros Bizjak  <ubizjak@gmail.com>
9565
9566         * reg-stack.c (struct tree_opt_pass pass_stack_regs): Nullify name
9567         and letter field.
9568
9569 2007-07-11  Douglas Gregor  <doug.gregor@gmail.com>
9570
9571         * params.def (PARAM_VERIFY_CANONICAL_TYPES): Remove.
9572         (PARAM_USE_CANONICAL_TYPES): New; decides whether to use canonical 
9573         types or not.
9574         * params.h (VERIFY_CANONICAL_TYPES): Remove.
9575         (USE_CANONICAL_TYPES): New.
9576         * doc/invoke.texi (verify-canonical-types): Remove.
9577         (use-canonical-types): Add.
9578
9579 2007-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
9580
9581         * config/spu/spu.c (spu_optimization_options): Remove setting of
9582         parameter PARAM_MAX_COMPLETELY_PEEL_TIMES.
9583         (spu_override_options): Move it here.
9584
9585 2007-07-11  Richard Sandiford  <richard@codesourcery.com>
9586
9587         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC): Handle -m4ksc and -m4ksd.
9588         * config/mips/mips.c (mips_cpu_info_table): Mention
9589         MIPS_ISA_LEVEL_SPEC in the comment.
9590
9591 2007-07-11  Eric Botcazou  <ebotcazou@adacore.com>
9592
9593         PR tree-optimization/32713
9594         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle REAL_CST.
9595
9596 2007-07-11  Paolo Carlini  <pcarlini@suse.de>
9597
9598         PR middle-end/30482
9599         * c-opts.c (c_common_post_options): Do not change flag_complex_method
9600         conditional to flag_isoc99.
9601         (c_common_init_options): Do it here, unconditionally.
9602
9603 2007-07-11  Eric Botcazou  <ebotcazou@adacore.com>
9604
9605         PR tree-optimization/32589
9606         * doc/tree-ssa.texi (Rough GIMPLE Grammar): Add missing rule.
9607         * tree-gimple.c (is_gimple_min_invariant): Clarify head comment.
9608         * tree-ssa-propagate.c (valid_gimple_expression_p): New
9609         predicate, extracted from...
9610         (set_rhs): ...here.  Call it for the expression on entry.
9611         * tree-ssa-propagate.h (valid_gimple_expression_p): Declare.
9612         * tree-ssa-sccvn.c: Include tree-ssa-propagate.h.
9613         (simplify_binary_expression): Use valid_gimple_expression_p
9614         to validate the simplification.
9615         * Makefile.in (tree-ssa-sccvn.o): Depends on tree-ssa-propagate.h.
9616
9617 2007-07-11  Danny Smith  <dannysmith@users.sourceforge.net>
9618
9619         * config/i386/cygming.h (PREFERRED_DEBUGGING_TYPE): Define to
9620         DWARF2_DEBUG on 32 bit target too.
9621         (DWARF2_UNWIND_INFO): Reorganize 64-bit vs 32-bit definition. 
9622
9623 2007-07-11  Nick Clifton  <nickc@redhat.com>
9624
9625         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Provide alternative
9626         version for 64-bit hosts.
9627
9628 2007-07-10  David Daney  <ddaney@avtrex.com>
9629
9630         * config/mips/mips.h (ISA_HAS_SYNCI): New target capability
9631         predicate.
9632         (INITIALIZE_TRAMPOLINE): Emit clear_cache insn instead of  library
9633         call.
9634         * config/mips/mips.c (mips_expand_synci_loop): New function.
9635         * config/mips/mips.md (UNSPEC_CLEAR_HAZARD): New constant.
9636         (UNSPEC_RDHWR): Same.
9637         (UNSPEC_SYNCI): Same.
9638         (UNSPEC_SYNC): Same.
9639         (clear_cache): New expand.
9640         (sync): New insn.
9641         (synci): Same.
9642         (rdhwr): Same.
9643         (clear_hazard): Same.
9644         * config/mips/mips-protos.h (mips_expand_synci_loop): Declare
9645         function.
9646         * testsuite/gcc.target/mips/clear-cache-1.c: New test.
9647         * testsuite/gcc.target/mips/clear-cache-2.c: New test.
9648
9649 2007-07-10  Ian Lance Taylor  <iant@google.com>
9650
9651         * emit-rtl.c (gen_reg_rtx): Check can_create_pseudo_p rather than
9652         no_new_pseudos.
9653
9654 2007-07-10  David Daney  <ddaney@avtrex.com>
9655
9656         * builtins.def (BUILT_IN_CLEAR_CACHE): New builtin.
9657         * builtins.c (expand_builtin___clear_cache): New function.
9658         (expand_builtin): Call expand_builtin___clear_cache for
9659         BUILT_IN_CLEAR_CACHE case.
9660         * doc/extend.texi (__builtin___clear_cache): Document new builtin.
9661         * doc/md.texi (clear_cache): Document new instruction pattern.
9662         * testsuite/gcc.dg/builtins-64.c: New test.
9663
9664 2007-07-11  Hans-Peter Nilsson  <hp@axis.com>
9665
9666         * config/cris/cris.md ("movsi"): Fix typo in last change.
9667
9668 2007-07-09  Geoffrey Keating  <geoffk@apple.com>
9669
9670         PR 32617
9671         * c-common.c (c_alignof_expr): Look at DECL_ALIGN of
9672         FUNCTION_DECLs.
9673         (handle_aligned_attribute): Allow use on FUNCTION_DECLs.
9674         * varasm.c (assemble_start_function): Honor DECL_ALIGN
9675         for FUNCTION_DECLs.  Don't use align_functions_log if
9676         DECL_USER_ALIGN.
9677         * print-tree.c (print_node): Print DECL_ALIGN and DECL_USER_ALIGN
9678         even for FUNCTION_DECLs.
9679         * c-decl.c (merge_decls): Propagate DECL_ALIGN even for
9680         FUNCTION_DECLs.
9681         * tree.h (DECL_ALIGN): Update for new location of 'align'.
9682         (DECL_FUNCTION_CODE): Update for new location and name of
9683         'function_code'.
9684         (DECL_OFFSET_ALIGN): Update for new location of 'off_align'.
9685         (struct tree_decl_common): Move 'align' and 'off_align' out
9686         of union, ensure they're still on a 32-bit boundary.  Remove
9687         other fields in union 'u1'.
9688         (struct tree_function_decl): Add field 'function_code' replacing
9689         'u1.f' in tree_decl_common.
9690         * tree.c (build_decl_stat): Set initial value of DECL_ALIGN.
9691         * doc/extend.texi (Function Attributes): Add 'aligned' attribute.
9692         (Variable Attributes): Cross-reference 'aligned' attribute
9693         to Function Attributes.
9694         * flags.h (force_align_functions_log): Delete.
9695         * toplev.c (force_align_functions_log): Delete.
9696
9697 2007-07-10  Uros Bizjak  <ubizjak@gmail.com>
9698
9699         PR target/32708
9700         * config/i386/sse.md (vec_concatv2di): Disable for TARGET_64BIT.
9701         (*vec_concatv2di_rex): New insn pattern.
9702
9703 2007-07-10  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
9704
9705         PR target/32538
9706         * config/mips/iris6.h (LIBGCC_SPEC): Add libm.
9707
9708 2007-07-10  Ian Lance Taylor  <iant@google.com>
9709
9710         Replace no_new_pseudos in backends.
9711         * rtl.h (can_create_pseudo_p): Define.
9712         * config/darwin.c (machopic_indirect_data_reference): Use
9713         can_create_pseudo_p () instead of no_new_pseudos.
9714         (machopic_indirect_data_reference): Likewise.
9715         (machopic_legitimize_pic_address): Likewise.
9716         * config/alpha/alpha.c (alpha_legitimize_address): Likewise.
9717         (alpha_emit_set_const_1): Likewise.
9718         (alpha_emit_set_const): Likewise.
9719         (alpha_emit_conditional_move): Likewise.
9720         (alpha_split_conditional_move): Likewise.
9721         * config/alpha/alpha.md (various splitters): Likewise.
9722         (movti): Likewise.
9723         * config/arm/arm.c (legitimize_pic_address): Likewise.
9724         (arm_load_pic_register): Likewise.
9725         * config/arm/arm.md (addsi3, subsi3, andsi3, iorsi3): Likewise.
9726         (movdi, movsi, movhi, movqi, movsf, movdf): Likewise.
9727         * config/bfin/bfin.c (legitimize_pic_address): Likewise.
9728         * config/cris/cris.c (cris_expand_pic_call_address): Likewise.
9729         * config/cris/cris.md (movsi): Likewise.
9730         * config/frv/frv.md (symGOT2reg_hilo): Likewise.
9731         (symGOTOFF2reg_hilo): Likewise.
9732         (symGPREL2reg, symGPREL2reg_hilo): Likewise.
9733         * config/h8300/h8300.md (insv, extzv): Likewise.
9734         * config/i386/i386.c (ix86_expand_move): Likewise.
9735         (ix86_expand_vector_move): Likewise.
9736         (ix86_prepare_fp_compare_args): Likewise.
9737         (ix86_expand_carry_flag_compare): Likewise.
9738         * config/i386/i386.md (tls_dynamic_gnu2_32): Likewise.
9739         (tls_dynamic_gnu2_combine_32): Likewise.
9740         (tls_dynamic_gnu2_64, tls_dynamic_gnu2_combine_64): Likewise.
9741         * config/ia64/ia64.c (ia64_expand_move): Likewise.
9742         (ia64_expand_movxf_movrf): Likewise.
9743         * config/m32c/m32c.c (m32c_prepare_move): Likewise.
9744         (m32c_split_move): Likewise.
9745         (m32c_expand_insv): Likewise.
9746         * config/m68k/m68k.md (movsi): Likewise.
9747         * config/mips/mips.c (mips_force_temporary): Likewise.
9748         (mips_split_symbol): Likewise.
9749         (mips_move_integer): Likewise.
9750         (mips_legitimize_const_move): Likewise.
9751         * config/mn10300/mn10300.md (movsi): Likewise.
9752         * config/pa/pa.c (emit_move_sequence): Likewise.
9753         * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
9754         (rs6000_got_register): Likewise.
9755         (create_TOC_reference): Likewise.
9756         (rs6000_machopic_legitimize_pic_address): Likewise.
9757         * config/rs6000/rs6000.md (add<mode>3): Likewise.
9758         (various splitters): Likewise.
9759         (iorsi3, xorsi3, iordi3, xordi3): Likewise.
9760         (movsi_got): Likewise.
9761         * config/s390/s390.c (emit_symbolic_move): Likewise.
9762         * config/s390/s390.md (movhi, movqi): Likewise.
9763         (load_multiple, store_multiple): Likewise.
9764         * config/score/score.c (score_force_temporary): Likewise.
9765         * config/sh/sh.c (prepare_move_operands): Likewise.
9766         (prepare_cbranch_operands): Likewise.
9767         (emit_fpu_switch): Likewise.
9768         (fpscr_set_from_mem): Likewise.
9769         * config/sh/sh.md (movdicc, movsicc, movsicc_umin): Likewise.
9770         (adddi3, subsi3): Likewise.
9771         (various splitters): Likewise.
9772         (divsi_inv_fp_combine): Likewise.
9773         (symGOT_load, symGOTOFF2reg, symDTPOFF2reg): Likewise.
9774         (seq, slt, sle, sgt, sge, sgtu, sltu, sleu, sgeu): Likewise.
9775         (sne): Likewise.
9776         * config/sh/predicates.md (xor_operand): Likewise.
9777         * config/sparc/sparc.c (legitimize_tls_address): Likewise.
9778         * config/sparc/sparc.md (movsi_pic_label_ref): Likewise.
9779         (movdi_pic_label_ref): Likewise.
9780         * config/spu/spu.c (spu_split_immediate): Likewise.
9781         * config/alpha/alpha.md (various splitters): Remove test
9782         !no_new_pseudos || reload_completed.
9783         * config/ia64/ia64.c (ia64_output_mi_thunk): Don't set
9784         no_new_pseudos.
9785         * config/m68k/m68k.c (m68k_output_mi_thunk): Likewise.
9786         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
9787         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
9788         * config/score/score.c (th_output_mi_thunk): Likewise.
9789         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
9790         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
9791
9792 2007-07-10  Kaz Kojima  <kkojima@gcc.gnu.org>
9793
9794         PR rtl-optimization/32664
9795         * mode-switching.c (create_pre_exit): Skip barrier insns.
9796
9797 2007-07-10  Zdenek Dvorak  <dvorakz@suse.cz>
9798
9799         * tree-scalar-evolution.c (scev_const_prop): Add arguments to
9800         force_gimple_operand_bsi.
9801         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr,
9802         rewrite_use_compare): Ditto.
9803         * tree-ssa-address.c (gimplify_mem_ref_parts, create_mem_ref):
9804         Ditto.
9805         * tree-ssa-ifcombine.c (ifcombine_ifandif): Ditto.
9806         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Ditto.
9807         * lambda-code.c (replace_uses_equiv_to_x_with_y): Ditto.
9808         * tree-profile.c (prepare_instrumented_value,
9809         tree_gen_interval_profiler, tree_gen_pow2_profiler,
9810         tree_gen_one_value_profiler, tree_gen_ic_profiler,
9811         tree_gen_ic_func_profiler, tree_gen_average_profiler,
9812         tree_gen_ior_profiler): Ditto.
9813         * tree-ssa-reassoc.c (negate_value): Ditto.
9814         * matrix-reorg.c (transform_access_sites, transform_allocation_sites):
9815         Use force_gimple_operand_bsi.
9816         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
9817         * tree-if-conv.c (add_to_dst_predicate_list,
9818         find_phi_replacement_condition): Ditto.
9819         * gimplify.c (force_gimple_operand_bsi): Add before and m arguments.
9820         Call mark_symbols_for_renaming for new statements.
9821         * tree-flow.h (force_gimple_operand_bsi): Declaration changed.
9822
9823 2007-07-10  Zdenek Dvorak  <dvorakz@suse.cz>
9824
9825         * cfghooks.c (remove_edge): New function.
9826         (redirect_edge_and_branch, remove_branch, merge_blocks): Updated
9827         loop exit rescans.
9828         * cfghooks.h (remove_edge): Declare.
9829         * cfg.c (remove_edge): Renamed to remove_edge_raw.
9830         * basic-block.h (remove_edge): Declaration changed to remove_edge_raw.
9831
9832 2007-07-09  Wolfgang Gellerich  <gellerich@de.ibm.com>
9833
9834         * optabs.h: Added declaration for signbit_optab.  
9835         * optabs.c: (init_optabs): Added initialization for signbit_optab.
9836         * genoptinit.c (optabs): Added entry for signbit insns.  
9837         * builtins.c (expand_builtin_signbit): Added code to use a signbit
9838         insn, if available.  
9839         * config/s390/s390.h (S390_TDC_SIGNBIT_SET): New constant.  
9840         * config/s390/s390.md (signbit<mode>2): New expander.  
9841
9842 2007-07-09  Richard Guenther  <rguenther@suse.de>
9843
9844         PR middle-end/32698
9845         * fold-const.c (fold_plusminus_mult_expr): Move constant
9846         arguments second to allow decomposing.
9847
9848 2007-07-09  Alexandre Oliva  <aoliva@oliva.athome.lsd.ic.unicamp.br>
9849
9850         Revert:
9851         2007-07-06  Alexandre Oliva  <aoliva@redhat.com>
9852         PR debug/23551
9853         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
9854         Disregard DECL_FROM_INLINE.
9855
9856 2007-07-09  Uros Bizjak  <ubizjak@gmail.com>
9857
9858         PR target/27855
9859         * doc/invoke.texi: Add ftree-reassoc flag.
9860         * common.opt (ftree-reassoc): New flag.
9861         * tree-ssa-reassoc.c (gate_tree_ssa_reassoc): New static function.
9862         (struct tree_opt_pass pass_reassoc): Use gate_tree_ssa_reassoc.
9863
9864 2007-07-09  Uros Bizjak  <ubizjak@gmail.com>
9865
9866         PR tree-optimization/32681
9867         * tree-if-conv.c (find_phi_replacement_condition): Use the condition
9868         saved in second_edge->aux when first_bb is a loop header.
9869
9870 2007-07-09  Jan HUbicka  <jh@suse.cz>
9871
9872         * cse.c (cse_insn): Avoid invalid sharing on trial replacement.
9873
9874 2007-07-09  Richard Guenther  <rguenther@suse.de>
9875
9876         * c-decl.c (start_function): Do not promote return type.
9877
9878 2007-07-08  Daniel Franke  <franke.daniel@gmail.com>
9879
9880         * function.c (do_warn_unused_parameter): Do not warn if
9881         TREE_NO_WARNING is set.
9882
9883 2007-07-08  Andreas Schwab  <schwab@suse.de>
9884
9885         * doc/invoke.texi (DEC Alpha/VMS Options): Fix typo.
9886
9887 2007-07-08  Sandra Loosemore  <sandra@codesourcery.com>
9888
9889         Revert this patch:
9890         2007-07-06  Sandra Loosemore  <sandra@codesourcery.com>
9891
9892         * c-opts.c (c_common_handle_option): Make DOLLARS_IN_IDENTIFIERS
9893         apply to assembly language, too.
9894         * doc/tm.texi (DOLLARS_IN_IDENTIFIERS): Update.
9895
9896 2007-07-07  Daniel Berlin  <dberlin@dberlin.org>
9897
9898         Revert (note the sccvn portions are *not* reverted)
9899         2007-07-06  Daniel Berlin  <dberlin@dberlin.org>
9900
9901         Fix PR tree-optimization/23488
9902
9903         * tree-vn.c (set_value_handle): Use decl_vh_map for decl value
9904         handles.
9905         * tree-flow-inline.h (get_value_handle): Ditto.
9906         * tree-ssa-pre.c (decl_vh_map): New.
9907         (decl_node_pool): New.
9908         (can_value_number_operation): Support DECL_P.
9909         (can_PRE_operation): Ditto.
9910         (create_expression_by_pieces): Ditto.
9911         (find_existing_value_expr): Modify to differnetiate between
9912         addressing and top level.
9913         (create_value_handle_for_expr): Handle DECL's.
9914         (poolify_tree): Ditto.
9915         (make_values_for_phi): Don't insert into PHI_GEN during FRE.
9916         (make_values_for_stmt): Handle DECL's properly.
9917         (init_pre): Reorg to not init useless things during FRE.
9918         (fini_pre): Ditto.
9919         * tree-flow.h: Include pointer-set.h.
9920         (decl_vh_map): Declare.
9921         * Makefile.in (TREE_FLOW_H): Add pointer-set.h
9922
9923 2007-07-07 Eric Weddington  <eweddington@cso.atmel.com>
9924
9925         * config/avr/constraints.md (define_memory_constraint "Q"): Fix
9926         the constraint description.
9927         * doc/md.texi: Update documentation of AVR constraints.
9928
9929 2007-07-07  Kazu Hirata  <kazu@codesourcery.com>
9930
9931         * auto-inc-dec.c, config/arm/arm.c,
9932         config/m32r/constraints.md, config/mips/mips.md,
9933         config/rs6000/rs6000.c, cselib.c, dce.c, df-core.c,
9934         df-problems.c, df-scan.c, df.h, dse.c, gimplify.c,
9935         tree-if-conv.c, tree-ssa-sccvn.c, tree-ssa.c: Fix comment
9936         typos.  Follow spelling conventions.
9937         * doc/invoke.texi, doc/rtl.texi: Fix typos.
9938
9939         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
9940         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
9941
9942         * tree-ssa-operands.c (realloc_vop, realloc_vdef,
9943         realloc_vuse): Remove.
9944         * tree-ssa-operands.h: Remove the prototype for realloc_vdef
9945         and realloc_vuse.
9946
9947 2007-07-06  Daniel Berlin  <dberlin@dberlin.org>
9948
9949         Fix PR tree-optimization/23488
9950
9951         * tree-ssa-sccvn.c (expr_has_constants): Handle tcc_declaration.
9952         (try_to_simplify): Ditto.
9953         (visit_use): Ditto.
9954         * tree-vn.c (set_value_handle): Use decl_vh_map for decl value
9955         handles.
9956         * tree-flow-inline.h (get_value_handle): Ditto.
9957         * tree-ssa-pre.c (decl_vh_map): New.
9958         (decl_node_pool): New.
9959         (can_value_number_operation): Support DECL_P.
9960         (can_PRE_operation): Ditto.
9961         (create_expression_by_pieces): Ditto.
9962         (find_existing_value_expr): Modify to differnetiate between
9963         addressing and top level.
9964         (create_value_handle_for_expr): Handle DECL's.
9965         (poolify_tree): Ditto.
9966         (make_values_for_phi): Don't insert into PHI_GEN during FRE.
9967         (make_values_for_stmt): Handle DECL's properly.
9968         (init_pre): Reorg to not init useless things during FRE.
9969         (fini_pre): Ditto.
9970         * tree-flow.h: Include pointer-set.h.
9971         (decl_vh_map): Declare.
9972         * Makefile.in (TREE_FLOW_H): Add pointer-set.h
9973                 
9974 2007-07-06  Sandra Loosemore  <sandra@codesourcery.com>
9975
9976         * c-opts.c (c_common_handle_option): Make DOLLARS_IN_IDENTIFIERS
9977         apply to assembly language, too.
9978         * doc/tm.texi (DOLLARS_IN_IDENTIFIERS): Update.
9979
9980 2007-07-06  Ian Lance Taylor  <iant@google.com>
9981             Zack Weinberg  <zackw@panix.com>
9982
9983         PR middle-end/32441
9984         * builtins.c (std_expand_builtin_va_start): Don't use make_tree.
9985
9986 2007-07-06  Richard Sandiford  <richard@codesourcery.com>
9987
9988         * config/sh/sh.md (*prefetch_i4): Disable for TARGET_VXWORKS_RTP.
9989         (prefetch): Likewise if "pref" would be used.
9990
9991 2007-07-06  Josh Conner  <jconner@apple.com>
9992
9993         PR middle-end/32602
9994         PR middle-end/32603
9995         * calls.c (store_one_arg): Handle arguments which are partially
9996         on the stack when detecting argument overlap.
9997
9998 2007-07-06  Bernd Schmidt  <bernd.schmidt@analog.com>
9999
10000         * reload1.c (choose_reload_regs): Set reload_spill_index for regs
10001         chosen during find_reloads.
10002
10003 2007-07-06  Richard Guenther  <rguenther@suse.de>
10004
10005         * gimplify.c (gimplify_call_expr): Prefer DECL_ARGUMENTS over
10006         TYPE_ARG_TYPES for verification of argument types.  Use
10007         DECL_ARG_TYPE instead of the PARM_DECL type.  Take excess
10008         parameters as variable arguments.
10009
10010 2007-07-06  Andreas Krebbel  <krebbel1@de.ibm.com>
10011
10012         * libgcc2.h (word_type): Type definition removed.
10013         (cmp_return_type, shift_count_type): Type definitions added.
10014         (__lshrdi3, __ashldi3, __ashrdi3): word_type of second parameter
10015         replaced with shift_count_type.
10016         (__cmpdi2, __ucmpdi2): word_type of return type replaced with
10017         cmp_return_type.
10018         * libgcc2.c (__udivmoddi4, __moddi3): Type of local variable c
10019         changed from word_type to Wtype.
10020         (__lshrdi3, __ashldi3, __ashrdi3): word_type of second parameter
10021         replaced with shift_count_type.
10022         (__cmpdi2, __ucmpdi2): word_type of return type replaced with
10023         cmp_return_type.
10024         * c-common.c (handle_mode_attribute): Handling for libgcc_cmp_return
10025         and libgcc_shift_count attribute added.
10026         * target-def.h (TARGET_LIBGCC_CMP_RETURN_MODE,
10027         TARGET_LIBGCC_SHIFT_COUNT_MODE): New target hooks defined.
10028         (TARGET_INITIALIZER): New target hooks added.
10029         * targhooks.c (default_libgcc_cmp_return_mode,
10030         default_libgcc_shift_count_mode): Default implementations for the new
10031         target hooks added.
10032         * targhooks.h (default_libgcc_cmp_return_mode,
10033         default_libgcc_shift_count_mode): Function prototypes added.
10034         * target.h (struct gcc_target): Fields for the new target hooks added.
10035         * optabs.c (expand_binop): Use shift_count_mode when expanding shift
10036         as library call.
10037         (prepare_cmp_insn): Use cmp_return_mode when expanding comparison as
10038         library call.
10039
10040         * doc/tm.texi (TARGET_LIBGCC_CMP_RETURN_MODE,
10041         TARGET_LIBGCC_SHIFT_COUNT_MODE): Documentation added.
10042
10043         * config/s390/s390.c (s390_libgcc_cmp_return_mode,
10044         s390_libgcc_shift_count_mode): Functions added.
10045         (TARGET_LIBGCC_CMP_RETURN_MODE, TARGET_LIBGCC_SHIFT_COUNT_MODE):
10046         Target hooks defined.
10047
10048 2007-07-06  Richard Sandiford  <richard@codesourcery.com>
10049
10050         * config/mips/mips.c (compute_frame_size): Restore the original
10051         gp_sp_offset for !GENERATE_MIPS16E_SAVE_RESTORE and remove the
10052         fp_size term from the GENERATE_MIPS16E_SAVE_RESTORE calculation.
10053         Document why the difference is needed.
10054
10055 2007-07-06  Richard Guenther  <rguenther@suse.de>
10056
10057         * c-common.c (boolean_increment): Use correctly typed
10058         constant.
10059
10060 2007-07-06  Richard Sandiford  <richard@codesourcery.com>
10061
10062         * config/mips/mips.c (mips16e_save_restore_pattern_p): Check that
10063         the topmost argument register is not also included in the save mask.
10064         (mips16e_collect_argument_save_p): Take a pointer to the argument
10065         register, rather than a pointer to the number of arguments.
10066         (mips16e_collect_argument_saves): Only include argument saves
10067         that aren't in the register mask.
10068
10069 2007-07-06  Uros Bizjak  <ubizjak@gmail.com>
10070
10071         PR rtl-optimization/32450
10072         * function.c (thread_prologue_and_epilogue_insns): Emit blockage insn
10073         to ensure that instructions are not moved into the prologue when
10074         profiling is on.  Remove unused prologue_end variable.
10075         (expand_function_end): Emit blockage insn instead of ASM_INPUT rtx
10076         as a scheduling barrier.
10077
10078 2007-07-06  Alexandre Oliva  <aoliva@redhat.com>
10079
10080         PR debug/23551
10081         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
10082         Disregard DECL_FROM_INLINE.
10083
10084 2007-07-05  Adam Nemet  <anemet@caviumnetworks.com>
10085
10086         * rtlanal.c (num_sign_bit_copies1): Improve cases of ANDing or
10087         IORing with a constant.
10088
10089 2007-07-05  Seongbae Park  <seongbae.park@gmail.com>
10090
10091         PR rtl-optimization/32475
10092         * df-scan.c (df_def_record_1): Add a use of the stack pointer
10093         for every definition of the stack pointer.
10094
10095 2007-07-05  Richard Earnshaw  <rearnsha@arm.com>
10096
10097         * arm.c (vfp3_const_double_index): Copy signed results of
10098         REAL_VALUE_TO_INT into unsigned vars.
10099
10100 2007-07-05  Richard Guenther  <rguenther@suse.de>
10101
10102         PR middle-end/32639
10103         * alias.c (get_alias_set): Tread METHOD_TYPE the same as
10104         FUNCTION_TYPE.
10105         * tree-ssa.c (useless_type_conversion_p): Check canonical
10106         types early.
10107
10108 2007-07-05 Anatoly Sokolov <aesok@post.ru>
10109
10110         * config/avr/avr.md (zero_extendqihi2, zero_extendqisi2, 
10111         zero_extendhisi2): Change to define_insn_and_split. 
10112         (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New.
10113
10114 2007-07-05  Paolo Bonzini  <bonzini@gnu.org>
10115
10116         * function.c (match_asm_constraints_1, rest_of_match_asm_constraints,
10117         pass_match_asm_constraints): New.
10118         * passes.c (init_optimization_passes): Add new pass.
10119         * stmt.c (expand_asm_operands): Set cfun->has_asm_statement.
10120         * function.h (struct function): Add has_asm_statement bit.
10121         (current_function_has_asm_statement): New.
10122         * tree-pass.h (pass_match_asm_constraints): New.
10123
10124 2007-07-05  Richard Sandiford  <rsandifo@nildram.co.uk>
10125
10126         * config/mips/mips.c (mips_file_start): Avoid declaration
10127         after code.
10128
10129 2007-07-05  Sandra Loosemore  <sandra@codesourcery.com>
10130
10131         * optabs.c (expand_binop_directly): Fix signed/unsigned comparison.
10132
10133 2007-07-05  Uros Bizjak  <ubizjak@gmail.com>
10134
10135         * rtl.def (NOTE): Change print format string to print
10136         operand 5 as a note insn name.
10137
10138 2007-07-05  Sandra Loosemore  <sandra@codesourcery.com>
10139             David Ung  <davidu@mips.com>
10140
10141         * config/mips/mips.c (mips_cpu_info): Add 4ksc and 4ksd processors.
10142         * doc/invoke.texi: (MIPS Options): Document them.
10143
10144 2007-07-05  Sandra Loosemore  <sandra@codesourcery.com>
10145             David Ung  <davidu@mips.com>
10146
10147         Add support for SmartMIPS ASE.
10148
10149         * optabs.c (expand_binop_directly): New, broken out from...
10150         (expand_binop): Here.  Make it try rotating in the other
10151         direction even when the second operand isn't constant.
10152         * config/mips/mips.md (*lwxs): New.
10153         * config/mips/mips.opt (msmartmips): New.
10154         * config/mips/mips.c (mips_lwxs_address_p): New.
10155         (mips_rtx_costs): Make it recognize scaled indexed addressing.
10156         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define
10157         __mips_smartmips when compiling for TARGET_SMARTMIPS.
10158         (ISA_HAS_ROR): Define for TARGET_SMARTMIPS.
10159         (ISA_HAS_LWXS): New.
10160         (ASM_SPEC): Add -msmartmips/-mno-smartmips.
10161         * doc/invoke.texi (MIPS Options): Document -msmartmips/-mno-smartmips.
10162         * testsuite/gcc.target/mips/smartmips-lwxs.c: New test case.
10163         * testsuite/gcc.target/mips/smartmips-ror-1.c: New test case.
10164         * testsuite/gcc.target/mips/smartmips-ror-2.c: New test case.
10165         * testsuite/gcc.target/mips/smartmips-ror-3.c: New test case.
10166         * testsuite/gcc.target/mips/smartmips-ror-4.c: New test case.
10167
10168 2007-07-05  Dorit Nuzman  <dorit@il.ibm.com>
10169
10170         * tree-vectorizer.c (new_loop_vec_info): Initialize
10171         LOOP_VINFO_COST_MODEL_MIN_ITERS.
10172         * tree-vectorizer.h (_loop_vec_info): Added new filed
10173         min_profitable_iters.
10174         (LOOP_VINFO_COST_MODEL_MIN_ITERS): New access macro to above new field.
10175         (TARG_SCALAR_TO_VEC_COST): Define cost of scalar to vector operation.
10176         * tree-vect-analyze.c (vect_analyze_operations): Set
10177         LOOP_VINFO_COST_MODEL_MIN_ITERS.
10178         * tree-vect-transform.c (vect_estimate_min_profitable_iters): Use
10179         VEC_length to determine if there are any LOOP_VINFO_MAY_MISALIGN_STMTS.
10180         Fix calculation of peel_iters_prologue. Move consideration of epilogue
10181         and prologue cost to after they are computed.
10182         (vect_model_induction_cost): Use TARG_SCALAR_TO_VEC_COST instead of
10183         TARG_VEC_STMT_COST.
10184         (vect_model_simple_cost): Takes additional argument dt. Consider cost
10185         of creating vectors from scalars according to dt.
10186         (vect_model_store_cost): Likewise.
10187         (vectorizable_call): Use dt array instead of scalar dt. Call
10188         vect_model_simple_cost with additional argument dt.
10189         (vectorizable_assignment): Likewise.
10190         (vectorizable_operation): Likewise.
10191         (vectorizable_type_demotion): Likewise.
10192         (vectorizable_type_promotion): Likewise.
10193         (vectorizable_store): Use dt array instead of scalar dt. Call
10194         vect_model_store_cost with additional argument dt.
10195         (vect_do_peeling_for_loop_bound): Don't call
10196         vect_estimate_min_profitable_iters. Instead, lookup
10197         LOOP_VINFO_COST_MODEL_MIN_ITERS. Don't always print
10198         "may not be profitable".
10199
10200 2007-07-05  Dorit Nuzman  <dorit@il.ibm.com>
10201
10202         PR testsuite/32014
10203         * config/rs6000/altivec.md (UNSPEC_VUPKHS_V4SF, UNSPEC_VUPKLS_V4SF):
10204         (UNSPEC_VUPKHU_V4SF, UNSPEC_VUPKLU_V4SF): New.
10205         (vec_unpacks_float_hi_v8hi, vec_unpacks_float_lo_v8hi): New patterns.
10206         (vec_unpacku_float_hi_v8hi, vec_unpacku_float_lo_v8hi): New patterns. 
10207
10208 2007-07-05  Zdenek Dvorak  <dvorakz@suse.cz>
10209
10210         * config/i386/i386.c (ix86_address_cost): Do not consider more complex
10211         addressing modes cheaper.
10212
10213 2007-07-05  Alexandre Oliva  <aoliva@redhat.com>
10214
10215         * dwarf2out.c (dw_ranges_by_label_ref): New typedef.
10216         (dw_ranges_struct): Rename block_num to num.  Adjust.
10217         (dw_ranges_by_label_struct): New.
10218         (ranges_by_label, ranges_by_label_allocated,
10219         ranges_by_label_in_use): New variables.
10220         (add_ranges_num): Factored most of the code out of...
10221         (add_ranges): ... this one.  Rewrite in terms of the former.
10222         (add_ranges_by_labels): New.
10223         (output_ranges): Output by-label ranges.
10224         (dwarf2out_finish): Output range for multiple-section
10225         compile_unit.  Output standard DW_AT_low_pc in addition to
10226         unexpected DW_AT_entry_pc.
10227
10228 2007-07-04  Daniel Berlin  <dberlin@dberlin.org>
10229
10230         PR tree-optimization/32604
10231         PR tree-optimization/32606
10232
10233         * tree-ssa-pre.c (bb_bitmap_sets): Removed antic_safe_loads.
10234         (compute_antic_safe): Removed.
10235         (ANTIC_SAFE_LOADS): Ditto.
10236         (compute_antic_aux): Don't print ANTIC_SAFE_LOADS.
10237         (execute_pre): Don't call compute_antic_safe.
10238         (vuse_equiv): New function.
10239         (make_values_for_stmt): Use it
10240         * tree-ssa-sccvn.c (set_ssa_val_to): Remove assert, since it is
10241         not always true.
10242
10243 2007-07-04 Anatoly Sokolov <aesok@post.ru>
10244
10245         PR target/31331
10246         * config/avr/avr.c (avr_naked_function_p): Handle receiving a type
10247         rather than a decl. 
10248         (avr_attribute_table): Make "naked" attribute apply to function types
10249         rather than to decls.
10250         (avr_handle_fntype_attribute): New function.
10251
10252 2007-07-04  Joseph Myers  <joseph@codesourcery.com>
10253
10254         * target-def.h (TARGET_INITIALIZER): Remove trailing whitespace
10255         after \.
10256
10257 2007-07-04  David Ung  <davidu@mips.com>
10258             Joseph Myers  <joseph@codesourcery.com>
10259
10260         * config/mips/mips.md (type): Add logical, signext and move.
10261         (one_cmpl<mode>2, *and<mode>3, *and<mode>3_mips16, *ior<mode>3,
10262         *ior<mode>3_mips16, two unnamed insns after *ior<mode>3_mips16,
10263         *nor<mode>3, "Combiner patterns to optimize truncate/zero_extend
10264         combinations", *zero_extend<SHORT:mode><GPR:mode>2,
10265         *zero_extendqihi2, *extend<SHORT:mode><GPR:mode>2_mips16e,
10266         *extend<SHORT:mode><GPR:mode>2_se<SHORT:size>, *movdi_64bit,
10267         *movdi_64bit_mips16, *movsi_internal, *movsi_mips16, movcc,
10268         *movhi_internal, *movhi_mips16, *movqi_internal, *movqi_mips16,
10269         *movsf_hardfloat, *movsf_softfloat, *movsf_mips16,
10270         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit,
10271         movv2sf_hardfloat_64bit): Use the new types.
10272         (*movdi_32bit, *movdi_gp32_fp64, *movdi_32bit_mips16,
10273         *movdf_softfloat, *movdf_mips16): Use "multi".
10274         (extendqihi2): Replace with a define_expand.
10275         (*extendqihi2_mips16e, *extendqihi2, *extendqihi2_seb): New.
10276         Based on extend<SHORT:mode><GPR:mode>2 patterns.
10277         * config/mips/74k.md (r74k_int_logical): New reservation and
10278         bypasses.
10279         (r74k_int_arith): Remove "slt".
10280         * config/mips/24k.md, config/mips/4130.md, config/mips/4k.md,
10281         config/mips/5400.md, config/mips/5500.md, config/mips/5k.md,
10282         config/mips/7000.md, config/mips/9000.md, config/mips/generic.md,
10283         config/mips/sb1.md, config/mips/sr71k.md: Add new types to
10284         reservations for "arith".
10285
10286 2007-07-04  Richard Guenther  <rguenther@suse.de>
10287
10288         * tree-ssa.c (useless_type_conversion_p): Add handling for
10289         scalar float and vector types.  Only call the types_compatible_p
10290         langhook for aggregate types as last resort.  Follow the
10291         rules.
10292
10293 2007-07-04  Richard Guenther  <rguenther@suse.de>
10294
10295         * tree-inline.c (estimate_num_insns_1): Treat CONVERT_EXPR
10296         the same as NOP_EXPR.
10297
10298 2007-07-04  Nick Clifton  <nickc@redhat.com>
10299
10300         * target.h (struct gcc_target): Add target_help field.
10301         * target-def.h (TARGET_HELP): New.
10302         (TARGET_INITIALIZER): Use TARGET_HELP.
10303         * opts.c (command_handle_option): Invoke target_help function, if
10304         defined, when the user has specified --target-help on the command
10305         line.
10306         * doc/invoke.texi: Mention that --target-help might print
10307         additional information.
10308         * doc/tm.texi: Document TARGET_HELP hook.
10309
10310         * arm.c (TARGET_HELP): Override default definition.
10311         (arm_target_help): New - display a wrapped list of cores and
10312         architectures supported.
10313
10314 2007-07-04  Rask Ingemann Lambertsen  <rask@sygehus.dk>
10315
10316         * config/v850/v850.c (expand_prologue): Make sure
10317         GEN_INT() argument is sign extended rather than zero extended.
10318         (expand_epilogue): Likewise.
10319         (output_move_double): Delete.
10320         * config/v850/v850-protos.h (output_move_double): Delete.
10321         * config/v850/v850.md (movdi): Delete.
10322         (*movdi_internal): Delete.
10323         (movdf): Delete.
10324         (*movdf_internal): Delete.
10325
10326 2007-07-04  Richard Sandiford  <richard@codesourcery.com>
10327
10328         * config/sh/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Reject -mrelax
10329         unless compiling RTP PIC.
10330
10331 2007-07-04  Richard Guenther  <rguenther@suse.de>
10332
10333         PR tree-optimization/32482
10334         * tree-ssa-ifcombine.c (recognize_single_bit_test): Use the
10335         original ssa name if we didn't find a shift expression.
10336         Fix shift constant for bit zero test.
10337
10338 2007-07-04  Richard Sandiford  <richard@codesourcery.com>
10339
10340         * config/sh/lib1funcs.asm (ic_invalidate): Align constant pool.
10341
10342 2007-07-04  Richard Sandiford  <richard@codesourcery.com>
10343
10344         * config.gcc (arm-wrs-vxworks): Don't include svr4.h.
10345         * config/vxworks.h (PTRDIFF_TYPE, SIZE_TYPE, TARGET_POSIX_IO): Define.
10346         * config/arm/vxworks.h (ASM_SPEC): Delete.
10347         (SUBTARGET_EXTRA_ASM_SPEC): Define.
10348
10349 2007-07-04  Sebastian Pop  <sebpop@gmail.com>
10350
10351         * tree-data-ref.h (data_dependence_relation): New flag reversed_p.
10352         (DDR_REVERSED_P): New.
10353         * tree-data-ref.c (initialize_data_dependence_relation,
10354         build_classic_dist_vector): Set DDR_REVERSED_P.
10355
10356 2007-07-04  Sebastian Pop  <sebpop@gmail.com>
10357
10358         PR middle-end/32457
10359         * tree-data-ref.c (analyze_siv_subscript_cst_affine,
10360         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
10361         init_omega_for_ddr_1): Use non conservative number of iterations
10362         estimations.
10363         (analyze_subscript_affine_affine): Use HOST_WIDE_INT instead of int.
10364         (analyze_siv_subscript): Remove FIXME and reinitialization of 
10365         last_conflicts to chrec_dont_know.
10366         * testsuite/gfortran.dg/vect/pr32457.f90: New.
10367
10368 2007-07-04  Douglas Gregor  <doug.gregor@gmail.com>
10369
10370         * tree.c (maybe_canonicalize_argtypes): Improve description.
10371
10372 2007-07-04  Douglas Gregor  <doug.gregor@gmail.com>
10373
10374         * tree.c (maybe_canonicalize_argtypes): New.
10375         (build_function_type): Set canonical type.
10376         (build_method_type_directly): Ditto.
10377         (reconstruct_complex_type): Rebuild the METHOD_TYPE node
10378         properly.
10379
10380 2007-07-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10381
10382         * tree-ssa-loop-ivopts.c (strip_offset_1): Treat POINTER_PLUS_EXPR
10383         like PLUS_EXPR.
10384         (rewrite_use_nonlinear_expr): Likewise.
10385
10386 2007-07-03  Seongbae Park  <seongbae.park@gmail.com>
10387
10388         * rtl.def (UNSPEC, USE, CLOBBER): More comments.
10389
10390 2007-07-04  Ben Elliston  <bje@au.ibm.com>
10391
10392         * dwarf2out.c: Move DWARF2 abbreviation glossary closer to the top
10393         of this file.
10394
10395         * c-objc-common.c (c_types_compatible_p): Fix indentation.
10396
10397         * doc/tm.texi (Run-time Target): Capitalise "CPU".
10398         (Exception Handling): Likewise.
10399
10400 2007-07-03  Jan Hubicka  <jh@suse.cz>
10401
10402         * ifcvt.c (find_cond_trap): Avoid invalid RTL sharing.
10403
10404 2007-07-03  Eric Christopher  <echristo@apple.com>
10405
10406         * doc/cppopts.texi: Add conflicting option note to -dM.
10407         * doc/invoke.texi: Add note about possible conflicts with
10408         -E for -dCHARS and note that -dM will not produce
10409         any results if there is no machine dependent reorg.
10410         
10411 2007-07-03  Geoffrey Keating  <geoffk@apple.com>
10412
10413         * tree.h (DECL_ALIGN): Back out previous change.
10414
10415 2007-07-03  Joseph Myers  <joseph@codesourcery.com>
10416
10417         * configure.ac: Test for .dtprelword support on MIPS.
10418         * configure, config.in: Regenerate.
10419         * config/mips/mips.c (mips_output_dwarf_dtprel): New.
10420         (TARGET_ASM_OUTPUT_DWARF_DTPREL): Define.
10421
10422 2007-07-03  Julian Brown  <julian@codesourcery.com>
10423
10424         * config.gcc (with_fpu): Allow --with-fpu=vfp3.
10425         * config/arm/aout.h (REGISTER_NAMES): Add D16-D31.
10426         * config/arm/aof.h (REGISTER_NAMES): Add D16-D31.
10427         * config/arm/arm.c (FL_VFPV3): New flag for VFPv3 processor
10428         capability.
10429         (all_fpus): Add FPUTYPE_VFP3.
10430         (fp_model_for_fpu): Add VFPv3 field.
10431         (arm_rtx_costs_1): Give cost to VFPv3 constants.
10432         (vfp3_const_double_index): New function. Return integer index of
10433         VFPv3 constant suitable for fconst[sd] insns, or -1 if constant
10434         isn't suitable.
10435         (vfp3_const_double_rtx): New function. True if VFPv3 is enabled
10436         and argument represents a valid RTX for a VFPv3 constant.
10437         (vfp_output_fldmd): Split fldmd with > 16 registers in the list into
10438         two instructions.
10439         (vfp_emit_fstmd): Similar, for fstmd.
10440         (arm_print_operand): Implement new code 'G' for VFPv3 floating-point
10441         constants, represented as integer indices.
10442         (arm_hard_regno_mode_ok): Use VFP_REGNO_OK_FOR_SINGLE,
10443         VFP_REGNO_OK_FOR_DOUBLE macros.
10444         (arm_regno_class): Handle VFPv3 d0-d7, low, high register split.
10445         (arm_file_start): Set float-abi attribute for VFPv3, and output
10446         correct ".fpu" assembler directive.
10447         (arm_dbx_register_numbering): Add FIXME.
10448         * config/arm/arm.h (TARGET_VFP3): New macro. Target supports VFPv3.
10449         (fputype): Add FPUTYPE_VFP3.
10450         (FIXED_REGISTERS): Add 32 registers for D16-D31.
10451         (CALL_USED_REGISTERS): Likewise.
10452         (CONDITIONAL_REGISTER_USAGE): Add note about conditional definition
10453         of LAST_VFP_REGNUM. Make D16-D31 caller-saved, if present.
10454         (LAST_VFP_REGNUM): Extend available VFP registers for VFPv3.
10455         (D7_VFP_REGNUM): New.
10456         (LAST_LO_VFP_REGNUM, FIRST_HI_VFP_REGNUM, LAST_HI_VFP_REGNUM)
10457         (VFP_REGNO_OK_FOR_SINGLE, VFP_REGNO_OK_FOR_SINGLE)
10458         (VFP_REGNO_OK_FOR_DOUBLE): Define new macros.
10459         (FIRST_PSEUDO_REGISTER): Shift up to 128 to accommodate VFPv3.
10460         (REG_ALLOC_ORDER): Adjust for VFPv3.
10461         (reg_class): Add VFP_D0_D7_REGS, VFP_LO_REGS, VFP_HI_REGS.
10462         (REG_CLASS_NAMES): Add entries corresponding to VFP_D0_D7_REGS,
10463         VFP_LO_REGS, VFP_HI_REGS.
10464         (REG_CLASS_CONTENTS): Likewise. Extend contents for VFP_REGS.
10465         (IS_VFP_CLASS): Define macro.
10466         (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Use
10467         IS_VFP_CLASS.
10468         (REGISTER_MOVE_COST): Likewise.
10469         * config/arm/arm-protos.h (vfp3_const_double_rtx): Add prototype.
10470         * config/arm/vfp.md (VFPCC_REGNUM): Redefine as 127.
10471         (*arm_movsi_vfp, *thumb2_movsi_vfp, *movsfcc_vfp)
10472         (*thumb2_movsfcc_vfp, *abssf2_vfp, *negsf2_vfp, *addsf3_vfp)
10473         (*subsf3_vfp, *divsf_vfp, *mulsf_vfp, *mulsf3negsf_vfp)
10474         (*mulsf3addsf_vfp, *mulsf3subsf_vfp, *mulsf3negsfaddsf_vfp)
10475         (*extendsfdf2_vfp, *truncdfsf2_vfp, *truncsisf2_vfp)
10476         (*truncsidf2_vfp, fixuns_truncsfsi2, fixuns_truncdfsi2)
10477         (*floatsisf2_vfp, *floatsidf2_vfp, floatunssisf2)
10478         (floatunssidf2, *sqrtsf2_vfp, *cmpsf_split_vfp)
10479         (*cmpsf_trap_split_vfp, *cmpsf_vfp, *cmpsf_trap_vfp): Use 't'
10480         where appropriate for single-word registers.
10481         (*movsf_vfp, *thumb2_movsf_vfp, *movdf_vfp, *thumb2_movdf_vfp):
10482         As above. Fix type attributes.
10483         * config/arm/constraints.md (register_contraint "t"): Define.
10484         (register_constraint "w"): Change to D0-D15, or D0-D31 for
10485         VFPv3/NEON.
10486         (register_constraint "x"): Define.
10487         (constraint "Dv"): Define.
10488
10489 2007-07-03  Geoffrey Keating  <geoffk@apple.com>
10490
10491         * tree.h (DECL_ALIGN): Prevent use on a FUNCTION_DECL.
10492
10493 2007-07-03  Tom Tromey  <tromey@redhat.com>
10494
10495         * c-parser.c (objc_pq_context): Removed.
10496         (objc_need_raw_identifier): Likewise.
10497         (c_parser) <objc_pq_context>: New field.
10498         <objc_need_raw_identifier>: Likewise.
10499         (OBJC_NEED_RAW_IDENTIFIER): Removed.
10500         (c_lex_one_token): Update.
10501         (c_parser_objc_protocol_definition): Update.
10502         (c_parser_objc_method_definition): Update.
10503         (c_parser_objc_methodproto): Update.
10504         (c_parser_declspecs): Update.
10505
10506 2007-07-03  David Ung  <davidu@mips.com>
10507
10508         * config/mips/mips.c (mips_issue_rate): Return 4 for 74K processors.
10509
10510 2007-07-03  David Ung  <davidu@mips.com>
10511             Richard Sandiford  <richard@codesourcery.com>
10512
10513         * doc/invoke.texi: Document -march=74kf3_2.
10514         * config/mips/mips.h (PROCESSOR_74KF3_2): New processor_type.
10515         (TUNE_74K): Check for it.
10516         * config/mips/mips.c (mips_cpu_info): Add 74kf3_2.
10517         (mips_rtx_cost_data): Add an entry for PROCESSOR_74KF3_2.
10518         * config/mips/mips.md (cpu): Add 74kf3_2.
10519         * config/mips/74k.md (r74k_int_logical, r74k_int_arith, r74k_int_nop)
10520         (r74k_int_cmove, r74k_int_mult, r74k_int_mul3, r74k_int_mfhilo)
10521         (r74k_int_mthilo, r74k_int_div, r74k_int_call, r74k_int_jump)
10522         (r74k_int_load, r74k_int_store, r74k_unknown, r74k_multi): Add
10523         74kf3_2 to the CPU list.
10524         (r74kf3_2_fadd, r74kf3_2_fmove, r74kf3_2_fload, r74kf3_2_fstore)
10525         (r74kf3_2_fmul_sf, r74kf3_2_fmul_df, r74kf3_2_fdiv_sf)
10526         (r74kf3_2_fdiv_df, r74kf3_2_frsqrt_sf, r74kf3_2_frsqrt_df)
10527         (r74kf3_2_fcmp, r74kf3_2_fcvt, r74kf3_2_fxfer_to_c1)
10528         (r74kf3_2_fxfer_from_c1): New insn reservations.
10529
10530 2007-07-03  Richard Sandiford  <richard@codesourcery.com>
10531             David Ung  <davidu@mips.com>
10532
10533         * doc/invoke.texi: Replace -march=24kf with -march=24kf2_1 and
10534         -march=24kx with -march=24kf1_1.  Likewise 24ke[fx], 34k[fx]
10535         and 74k[fx].  Document aliases for the new options.
10536         * config/mips/mips.h (PROCESSOR_24KF): Rename to...
10537         (PROCESSOR_24KF2_1): ...this.
10538         (PROCESSOR_24KX): Rename to...
10539         (PROCESSOR_24KF1_1): ...this.
10540         (PROCESSOR_74KF): Rename to...
10541         (PROCESSOR_74KF2_1): ...this.
10542         (PROCESSOR_74KX): Rename to...
10543         (PROCESSOR_74KF1_1): ...this.
10544         (TUNE_74K): Update PROCESSOR_* names.
10545         * config/mips/mips.c (mips_cpu_info): Add 24kf2_1 as a synonym
10546         for 24kf.  Add 24kf1_1 and 24kfx as synonyms for 24kx.  Likewise
10547         the 24ke*, 34k* and 74k* processors.  Update PROCESSOR_* names.
10548         (mips_rtx_cost_data): Update processor names in comments.
10549         (mips_issue_rate): Update PROCESSOR_* names.
10550         * config/mips/mips.md (cpu): Rename 24kf to 24kf2_1, 24kx to
10551         24kf1_1, 74kf to 74kf2_1 and 74kx to 74kf1_1.
10552         * config/mips/24k.md: Rename FPU-related r24k_* insn reservations
10553         to r24kf2_1_*.  Rename r24kx_* insn reservations to r24kf1_1_*.
10554         Update cpu attribute names.
10555         (r24k_fpu_iss): Rename this reservation to...
10556         (r24kf2_1_fpu_iss): ...this and update all uses.
10557         (r24kx_fpu_iss): Rename this reservation to...
10558         (r24kf1_1_fpu_iss): ...this and update all uses.
10559         * config/mips/74k.md: Rename FPU-related r74kf_* insn reservations
10560         to r74kf2_1_*.  Rename r74kx_* insn reservations to r74kf1_1_*.
10561         Update cpu attribute names.
10562
10563 2007-07-01  Kaz Kojima  <kkojima@gcc.gnu.org>
10564
10565         * config/m32r/constraints.md: New file.
10566         * config/m32r/m32r.c: Include tm-constrs.h.
10567         (small_data_operand): Use satisfies_constraint_* instead of macro.
10568         (addr24_operand, gen_compare): Likewise.
10569         * config/m32r/m32r.h (REG_CLASS_FROM_LETTER): Remove.
10570         (INT8_P, UPPER16_P, UINT32_P, UINT5_P, INVERTED_SIGNED_8BIT,
10571         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
10572         EXTRA_CONSTRAINT): Likewise.
10573         * config/m32r/m32r.md: Include constraints.md.
10574         (*movsi_insn): Use satisfies_constraint_* instead of macro.
10575         (andsi3, iorsi3, xorsi3, seq_insn+1, sne): Likewise.
10576         * config/m32r/predicates.md (conditional_move_operand): Likewise.
10577         (two_insn_const_operand, int8_operand, uint16_operand,
10578         reg_or_int16_operand, reg_or_uint16_operand,
10579         reg_or_cmp_int16_operand, cmp_int16_operand,
10580         seth_add3_operand): Likewise.
10581
10582 2007-07-03  Eric Christopher  <echristo@gmail.com>
10583
10584         * libgcc2.h: Conditionally declare __bswapsi2 and
10585         __bswapdi2.
10586         
10587 2007-07-03  H.J. Lu  <hongjiu.lu@intel.com>
10588
10589         * ddg.c (check_sccs): Define only if ENABLE_CHECKING is
10590         defined.
10591
10592 2007-07-03  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
10593
10594         PR target/28307
10595         * gthr-posix.h [SUPPORTS_WEAK && GTHREAD_USE_WEAK]
10596         (__gthrw_pragma): Provide default definition.
10597         (__gthrw2): Use it.
10598         * gthr-posix.c (__gthrw_pragma): Define.
10599
10600 2007-07-03  Daniel Berlin  <dberlin@dberlin.org>
10601
10602         * tree-ssa-sccvn.c (set_ssa_val_to): Check for operand_equal_p
10603         before declaring inequality.
10604
10605 2007-07-03  Rask Ingemann Lambertsen  <rask@sygehus.dk>
10606
10607         * combine.c (recog_for_combine): Log the success or failure of
10608           matching new insn patterns against the machine description in
10609           detailed dumps.
10610
10611 2007-07-03  Revital Eres  <eres@il.ibm.com>
10612
10613         * ddg.c (print_sccs): New function.
10614         (check_sccs): New function.
10615         (create_ddg_all_sccs): Use it.
10616         * ddg.h (print_sccs): Declare.
10617         * modulo-sched.c (sms_order_nodes): Call print_sccs.
10618
10619 2007-07-03  Uros Bizjak  <ubizjak@gmail.com>
10620
10621         * targhooks.h (default_mode_for_suffix): New function declaration.
10622         * targhooks.c (default_mode_for_suffix): New default target hook.
10623         * target.h (struct c): New structure in the targetm struct.
10624         (mode_for_suffix): New target hook as part of struct c.
10625         target-def.h (TARGET_C_MODE_FOR_SUFFIX): Define as
10626         default_mode_for_suffix.
10627         (TARGET_C): New define.
10628         * c-lex.c: Include "target.h".
10629         (interpret_float): Use targetm.c.mode_for_suffix to determine
10630         the mode for a given non-standard suffix.
10631         Makefile.in (c-lex.o): Depend on $(TARGET_H).
10632
10633         * config/i386/i386.c (ix86_c_mode_for_suffix): New static function.
10634         (TARGET_C_MODE_FOR_SUFFIX): Define to ix86_c_mode_for_suffix.
10635
10636         * doc/extend.texi (Floating Types): New node.  Document __float80 and
10637         __float128 types.  Document 'w', 'W', 'q' and 'Q' suffixes.
10638
10639 2007-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
10640
10641         PR target/32506
10642         * config/sh/sh.md (udivsi3_i1_media): Use target_reg_operand
10643         predicate instead of target_operand.
10644         (divsi3_i1_media, divsi3_media_2): Likewise.
10645
10646 2007-07-02  Eric Botcazou  <ebotcazou@adacore.com>
10647
10648         * tree.h (alias_sets_might_conflict_p): Rename into
10649         alias_sets_must_conflict_p.
10650         * alias.c (alias_sets_might_conflict_p): Likewise.
10651         (alias_sets_conflict_p): Use it.
10652         (objects_must_conflict_p): Likewise.
10653         * c-common.c (strict_aliasing_warning): Adjust.
10654
10655 2007-07-02  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10656
10657         * rtlhooks.c (gen_lowpart_if_possible): Check for
10658         invalid subreg before calling gen_lowpart_SUBREG.
10659
10660 2007-07-02  Geoffrey Keating  <geoffk@apple.com>
10661
10662         * config/darwin9.h: Add copyright notice.
10663         (LINK_COMMAND_SPEC): Add comment.
10664         (DARWIN_LIBSYSTEM_HAS_UNWIND): Define.
10665         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Conditionalise on
10666         DARWIN_LIBSYSTEM_HAS_UNWIND.
10667
10668 2007-07-02  Jakub Jelinek  <jakub@redhat.com>
10669
10670         PR libgomp/32468
10671         * omp-low.c (check_combined_parallel): New function.
10672         (lower_omp_parallel): Call it via walk_stmts, set
10673         OMP_PARALLEL_COMBINED if appropriate.
10674         (determine_parallel_type): If OMP_FOR resp. OMP_SECTIONS
10675         isn't the only statement in WS_ENTRY_BB or OMP_RETURN
10676         the only one in PAR_EXIT_BB and not OMP_PARALLEL_COMBINED,
10677         don't consider it as combined parallel.
10678
10679 2007-07-02  Richard Sandiford  <richard@codesourcery.com>
10680
10681         * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
10682         (gcc_tooldir): Likewise.
10683         * configure: Regenerate.
10684         * Makefile.in (libsubdir_to_prefix): New variable, based on the
10685         old configure.ac gcc_tooldir setting.
10686         (prefix_to_exec_prefix): New variable.
10687         (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
10688         rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
10689
10690 2007-07-02  Daniel Berlin  <dberlin@dberlin.org>
10691
10692         Fix PR tree-optimization/32583
10693         Fix PR tree-optimization/32584
10694         * tree-ssa-pre.c (phi_translate): Always pass seen bitmap.
10695         (phi_translate_set): Use phi_translate directly now.
10696         (make_values_for_stmt): Don't value number RHS if we already know
10697         it is constant.
10698
10699 2007-07-02  Steve Ellcey  <sje@cup.hp.com>
10700             Jim Wilson <wilson@specifix.com>
10701
10702         PR target/31684
10703         * haifa-sched.c (add_to_speculative_block): Change copy_rtx to
10704         copy_insn.
10705
10706 2007-07-02  Sandra Loosemore  <sandra@codesourcery.com>
10707             Richard Sandiford  <richard@codesourcery.com>
10708             Nigel Stephens  <nigel@mips.com>
10709
10710         * config/mips/mips-protos.h (mips16e_save_restore_info): New struct.
10711         (mips16e_output_save_restore): Declare.
10712         (mips16e_save_restore_pattern_p): Likewise.
10713         * config/mips/mips.h (GENERATE_MIPS16E_SAVE_RESTORE): New macro.
10714         * config/mips/mips.c (MIPS_MAX_FIRST_STACK_STEP): Return 0x7f8
10715         for GENERATE_MIPS16E_SAVE_RESTORE.  Return 0x400 for TARGET_MIPS16
10716         && !GENERATE_MIPS16E_SAVE_RESTORE && !TARGET_64BIT.
10717         (BITSET_P): New global macro, extracted from...
10718         (mips_for_each_saved_reg): ...here.
10719         (mips16e_save_restore_info): New struct.
10720         (mips16e_s2_s8_regs, mips16e_a0_a3_regs): New variables.
10721         (mips16e_save_restore_regs): New variable.
10722         (mips_split_plus, mips16e_find_first_register): New functions.
10723         (mips16e_mask_registers): New function.
10724         (compute_frame_size): Expand the commentary before the function.
10725         Enforce the MIPS16e save and restore register range restrictions.
10726         Pad the general register save area at the low end.
10727         (mips16e_save_restore_reg, mips16e_build_save_restore)
10728         (mips16e_save_restore_pattern_p, mips16e_add_register_range)
10729         (mips16e_output_save_restore, mips16e_collect_propagate_value)
10730         (mips16e_collect_argument_save, mips16e_collect_argument_saves):
10731         New functions.
10732         (mips_expand_prologue, mips_expand_epilogue): Handle
10733         GENERATE_MIPS16E_SAVE_RESTORE.
10734         * config/mips/mips.md (*mips16e_save_restore): New pattern.
10735
10736 2007-07-02  Uros Bizjak  <ubizjak@gmail.com>
10737
10738         PR tree-optimization/31966
10739         PR tree-optimization/32533
10740         * tree-if-conv.c (add_to_dst_predicate_list): Use "edge", not
10741         "basic_block" description as its third argument.  Update function
10742         calls to get destination bb from "edge" argument.  Save "cond" into
10743         aux field of the edge.  Update prototype for changed arguments.
10744         (if_convertible_loop_p): Clear aux field of incoming edges if bb
10745         contains phi node.
10746         (find_phi_replacement_condition): Operate on incoming edges, not
10747         on predecessor blocks.  If there is a condition saved in the
10748         incoming edge aux field, AND it with incoming bb predicate.
10749         Return source bb of the first edge.
10750         (clean_predicate_lists): Clean aux field of outgoing node edges.
10751         (tree_if_conversion): Do not initialize cond variable. Move
10752         variable declaration into the loop.
10753         (replace_phi_with_cond_gimple_modify_stmt): Remove unneded
10754         initializations of new_stmt, arg0 and arg1 variables.
10755
10756 2007-07-02  Jakub Jelinek  <jakub@redhat.com>
10757
10758         * tree-nrv.c (dest_safe_for_nrv_p): Grok any handled_component_p,
10759         SSA_NAMEs, RESULT_DECLs and PARM_DECLs.
10760
10761 2007-07-02  Richard Guenther  <rguenther@suse.de>
10762
10763         * tree-ssa.c (useless_type_conversion_p): Document
10764         future intent as defining the middle-end type system.
10765         Re-structure to call langhook last, group by type class,
10766         mark questionable parts.
10767
10768 2007-07-02  Richard Guenther  <rguenther@suse.de>
10769
10770         * tree-flow.h (types_compatible_p): Declare.
10771         * tree-ssa.c (types_compatible_p): New function.
10772         * ipa-type-escape.c (discover_unique_type): Use
10773         types_compatible_p instead of lang_hooks.types_compatible_p.
10774         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Likewise.
10775         * tree-vn.c (expressions_equal_p): Likewise.
10776         * tree.c (fields_compatible_p): Likewise.
10777         * tree-ssa-dom.c (avail_expr_eq): Likewise.
10778         (cprop_operand): Use useless_type_conversion_p instead of
10779         lang_hooks.types_compatible_p.
10780         * tree-inline.c (setup_one_parameter): Likewise.
10781         (declare_return_variable): Likewise.
10782         * tree-nrv.c (tree_nrv): Likewise.
10783         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
10784         (maybe_fold_offset_to_component_ref): Likewise.
10785         (maybe_fold_offset_to_reference): Likewise.
10786         * tree-ssa-copy.c (may_propagate_copy): Likewise.
10787         (merge_alias_info): Likewise.
10788         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Likewise.
10789         * tree-ssa-phiopt.c (conditional_replacement): Likewise.
10790         * tree-ssa-reassoc.c (optimize_ops_list): Likewise.
10791         * tree-tailcall.c (find_tail_calls): Likewise.
10792         * tree-vect-generic.c (expand_vector_operations_1): Likewise.
10793         * gimplify.c (canonicalize_addr_expr): Likewise.
10794         (fold_indirect_ref_rhs): Likewise.
10795         (gimplify_addr_expr): Likewise.  Swap parameters to cpt_same_type.
10796         (cpt_same_type): Likewise.
10797         (check_pointer_types_r): Swap parameters to cpt_same_type
10798         where appropriate.
10799         * fold-const.c (fold_convert): Revert fix for PR15988.
10800         * tree-inline.c (setup_one_parameter): Instead fix it here by
10801         using fold_build1 instead of fold_convert and checking for
10802         error_mark_node.  Convert only if the conversion is necessary.
10803
10804 2007-07-02  Joseph Myers  <joseph@codesourcery.com>
10805
10806         * configure.ac: Check for .gnu_attribute on Power.
10807         * configure: Regenerate.
10808         * config/rs6000/rs6000.c (rs6000_file_start): If supported, output
10809         attribute for floating-point ABI.
10810
10811 2007-07-02  Ira Rosen  <irar@il.ibm.com>
10812
10813         PR tree-optimization/32230
10814         PR tree-optimization/32477
10815         * tree-vect-analyze.c (vect_analyze_data_refs): Fail if base 
10816         address is a constant.
10817
10818 2007-07-02  Richard Sandiford  <richard@codesourcery.com>
10819
10820         * config.gcc (mipsisa32-*-elf*, mipsisa32el-*-elf*)
10821         (mipsisa32r2-*-elf*, mipsisa32r2el-*-elf*)
10822         (mipsisa64-*-elf*, mipsisa64el-*-elf*): Combine top-level
10823         stanzas.  Use the first part of the triplet to set MIPS_ISA_DEFAULT.
10824         Remove redundant setting of MASK_FLOAT64 and MASK_64BIT for the
10825         64-bit targets.  Add support for *-elfoabi*.
10826         * config/mips/t-isa3264 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Use
10827         different settings if $(tm_defines) does not select the EABI.
10828         (MULTILIB_EXCLUSIONS): Define in those circumstances.
10829         * config/mips/mips.h (MIPS_ISA_LEVEL_OPTION_SPEC): New macro.
10830         (MIPS_ARCH_OPTION_SPEC): Likewise.
10831         (MIPS_ISA_LEVEL_SPEC): Likewise.
10832         (OPTION_DEFAULT_SPECS): Use MIPS_ARCH_OPTION_SPEC.
10833         * config/mips/elfoabi.h: New file.
10834
10835 2007-07-02  Richard Guenther  <rguenther@suse.de>
10836
10837         * tree-flow.h (tree_ssa_useless_type_conversion_1): Rename to ...
10838         (useless_type_conversion_p): ... this.
10839         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Rename to ...
10840         (useless_type_conversion_p): ... this.
10841         * builtins.c (fold_builtin_memory_op): Rename
10842         tree_ssa_useless_type_conversion_1 to useless_type_conversion_p.
10843         * tree-cfg.c (verify_expr): Likewise.
10844         * tree-ssa-address.c (tree_ssa_useless_type_conversion_1): Likewise.
10845         * tree-ssa-ccp.c (ccp_fold): Likewise.
10846         * tree-ssa-copy.c (may_propagate_copy): Likewise.
10847         * tree-ssa-dom.c (eliminate_redundant_computations): Likewise.
10848         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Likewise.
10849         * tree-ssa-loop-niter.c (refine_bounds_using_guard): Likewise.
10850         * tree-ssa-pre.c (eliminate): Likewise.
10851         * tree-ssa.c (delete_tree_ssa): Likewise.
10852         (tree_ssa_useless_type_conversion): Likewise.
10853         * tree.c (build2_stat): Likewise.
10854
10855 2007-07-01  Daniel Berlin  <dberlin@dberlin.org>
10856
10857         Fix PR tree-optimization/32571
10858         * tree-ssa-sccvn.c (visit_use): Shortcut copies to avoid
10859         simplifying them.
10860
10861 2007-07-01  Daniel Berlin  <dberlin@dberlin.org>
10862
10863         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle constants
10864         and other expected operations explicitly, change default to
10865         gcc_unreachable. 
10866
10867 2007-07-01  Daniel Jacobowitz  <dan@codesourcery.com>
10868
10869         * config/arm/arm.c (arm_cannot_copy_insn_p): Do not expect a
10870         PARALLEL.
10871         * config/arm/arm.md (pic_add_dot_plus_four, pic_add_dot_plus_eight)
10872         (tls_load_dot_plus_eight): Move the label number into the unspec.
10873         * config/arm/thumb2.md (pic_load_dot_plus_four): Likewise.
10874
10875 2007-07-01  Andreas Schwab  <schwab@suse.de>
10876
10877         * dwarf2out.c (initial_return_save): Define only if used.
10878
10879 2007-07-01  Kenneth Zadeck <zadeck@naturalbridge.com>
10880
10881         Unreverting Richard's Revert of:
10882
10883         2007-06-27  Richard Sandiford  <richard@codesourcery.com>
10884
10885         * dce.c (deletable_insn_p_1): New function, split out from...
10886         (deletable_insn_p): ...here.  Only treat bare USEs and CLOBBERs
10887         specially, not those inside PARALLELs.  Remove BODY argument
10888         and adjust recursive call accordingly.
10889         (prescan_insns_for_dce): Update call to delete_insn_p.
10890
10891 2007-07-01  Vladimir Yanovsky  <yanov@il.ibm.com>
10892             Revital Eres  <eres@il.ibm.com>
10893
10894         * ddg.c (create_ddg_all_sccs): Fix missed
10895         initialization of scc_nodes.
10896
10897 2007-07-01  Uros Bizjak  <ubizjak@gmail.com>
10898
10899         PR middle-end/32559
10900         * fold-const.c (fold-binary) [PLUS_EXPR]: Convert ~X + X to 1 or
10901         X + ~X to 1 only for INTEGRAL_TYPE_P type.
10902
10903 2007-06-30  Joseph Myers  <joseph@codesourcery.com>
10904
10905         * configure.ac: Check for .gnu_attribute on MIPS.
10906         * configure, config.in: Regenerate.
10907         * config/mips/mips.c (mips_file_start): If supported, output
10908         attribute for floating-point ABI.
10909
10910 2007-06-30  Uros Bizjak  <ubizjak@gmail.com>
10911
10912         PR target/32433
10913         * config/i386/i386.md (ffssi2): Expand as ffs_cmove for TARGET_CMOVE.
10914         (ffs_cmove): New expander to expand using ctz pattern.
10915         (*ffs_cmove): Remove pattern.
10916         (*ffs_no_cmove): Enable only for !TARGET_CMOVE.
10917         (ffsdi2): Expand using ctz pattern.
10918         (*ffs_rex64): Remove pattern.
10919
10920 2007-06-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10921
10922         PR rtl-optimization/32296
10923         * pa.md (return): Delete pattern.
10924         (return_internal): Remove "(const_int 1)" from pattern.
10925         (epilogue): Use return_internal pattern for trivial returns.
10926         * pa-protos.h (hppa_can_use_return_insn_p): Delete declaration.
10927         * pa.c (hppa_can_use_return_insn_p): Delete function.  Include "df.h".
10928
10929 2007-06-30  Daniel Berlin  <dberlin@dberlin.org>
10930
10931         * tree-ssa-pre.c (is_exception_related): New function
10932         (can_value_number_operation): Use it.
10933
10934 2007-06-30  Daniel Berlin  <dberlin@dberlin.org>
10935         
10936         Fix PR tree-optimization/32540
10937         Fix PR tree-optimization/31651
10938
10939         * tree-ssa-sccvn.c: New file.
10940
10941         * tree-ssa-sccvn.h: Ditto.
10942         
10943         * tree-vn.c: Include tree-ssa-sccvn.h
10944         (val_expr_paid_d): Removed.
10945         (value_table): Ditto.
10946         (vn_compute): Ditto.
10947         (val_expr_pair_hash): Ditto.
10948         (val_expr_pair_expr_eq): Ditto.
10949         (copy_vuses_from_stmt): Ditto.
10950         (vn_delete): Ditto.
10951         (vn_init): Ditto.
10952         (shared_vuses_from_stmt): Ditto.
10953         (print_creation_to_file): Moved up.
10954         (sort_vuses): Ditto.
10955         (sort_vuses_heap): Ditto.
10956         (set_value_handle): Make non-static.
10957         (make_value_handle): Ditto.
10958         (vn_add): Rewritten to use sccvn lookups.
10959         (vn_add_with_vuses): Ditto.
10960         (vn_lookup): Ditto (and second argument removed).
10961         (vn_lookup_with_vuses): Ditto.
10962         (vn_lookup_or_add): Ditto (and second argument removed);
10963         (vn_lookup_or_add_with_vuses): Ditto.
10964         (vn_lookup_with_stmt): New.
10965         (vn_lookup_or_add_with_stmt): Ditto.
10966         (create_value_handle_for_expr): Ditto.
10967
10968         * tree-ssa-pre.c: Include tree-ssa-sccvn.h.
10969         (seen_during_translate): New function.
10970         (phi_trans_lookup): Use iterative_hash_expr, not vn_compute.
10971         (phi_trans_add): Ditto.
10972         (constant_expr_p): FIELD_DECL is always constant.
10973         (phi_translate_1): Renamed from phi_translate, add seen bitmap.
10974         Use constant_expr_p.
10975         Avoid infinite recursion on mutually valued expressions.
10976         Change callers of vn_lookup_or_add.
10977         (phi_translate): New function.
10978         (compute_antic_safe): Allow phi nodes.
10979         (create_component_ref_by_pieces): Update for FIELD_DECL change.
10980         (find_or_generate_expression): Rewrite slightly.
10981         (create_expression_by_pieces): Updated for vn_lookup_or_add
10982         change.
10983         Update VN_INFO for new names.
10984         (insert_into_preds_of_block): Update for new names.
10985         (add_to_exp_gen): New function.
10986         (add_to_sets): Use vn_lookup_or_add_with_stmt.
10987         (find_existing_value_expr): Rewrite to changed vn_lookup.
10988         (create_value_expr_from): Ditto, and use add_to_exp_gen.
10989         (try_look_through_load): Removed.
10990         (try_combine_conversion): Ditto.
10991         (get_sccvn_value): New function.
10992         (make_values_for_phi): Ditto.
10993         (make_values_for_stmt): Ditto.
10994         (compute_avail): Rewritten for vn_lookup_or_add changes and to use
10995         SCCVN.
10996         (init_pre): Update for SCCVN changes.
10997         (fini_pre): Ditto.
10998         (execute_pre): Ditto.
10999
11000         * tree-flow.h (make_value_handle): Declare.
11001         (set_value_handle): Ditto.
11002         (sort_vuses_heap): Ditto.
11003         (vn_lookup_or_add_with_stmt): Ditto.
11004         (vn_lookup_with_stmt): Ditto.
11005         (vn_compute): Remove.
11006         (vn_init): Ditto.
11007         (vn_delete): Ditto.
11008         (vn_lookup): Update arguments.
11009
11010         * Makefile.in (tree-ssa-pre.o): Add tree-ssa-sccvn.h
11011         (tree-vn.o): Ditto.
11012         (tree-ssa-sccvn.o): New.
11013         (OBJS-common): Add tree-ssa-sccvn.o
11014         
11015 2007-06-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11016
11017         PR c/4076
11018         * c-typeck.c (build_external_ref): Don't mark as used if called
11019         from itself.
11020         * calls.c (rtx_for_function_call): Likewise.
11021         
11022 2007-06-30  Richard Sandiford  <richard@codesourcery.com>
11023
11024         Revert:
11025
11026         2007-06-27  Richard Sandiford  <richard@codesourcery.com>
11027
11028         * dce.c (deletable_insn_p_1): New function, split out from...
11029         (deletable_insn_p): ...here.  Only treat bare USEs and CLOBBERs
11030         specially, not those inside PARALLELs.  Remove BODY argument
11031         and adjust recursive call accordingly.
11032         (prescan_insns_for_dce): Update call to delete_insn_p.
11033
11034 2007-06-30  Rask Ingemann Lambertsen <rask@sygehus.dk>
11035
11036         * combine.c (combine_validate_cost): New parameter NEWOTHERPAT.
11037         (try_combine): Move potential calls to undo_all() so they happen
11038         before we commit to using the combined insns.
11039
11040 2006-06-30  Jan Hubicka  <jh@suse.cz>
11041
11042         * loop-unroll.c (unroll_loop_runtime_iterations): Unshare newly emit
11043         code.
11044
11045 2006-06-30  Thomas Neumann  <tneumann@users.sourceforge.net>
11046
11047         * ipa.c (cgraph_postorder): Cast according to the coding conventions.
11048         (cgraph_remove_unreachable_nodes): Likewise.
11049         * ipa-cp.c (ipcp_propagate_stage): Use BOTTOM instead of integer 0.
11050         * ipa-inline.c (update_caller_keys): Cast according to the coding
11051         conventions.
11052         (cgraph_decide_recursive_inlining): Likewise.
11053         (cgraph_decide_inlining_of_small_function): Likewise.
11054         (try_inline): Likewise.
11055         (cgraph_decide_inlining_incrementally): Likewise.
11056         * ipa-pure-const.c (get_function_state): Likewise.
11057         (scan_function): Likewise.
11058         (analyze_function): Likewise.
11059         (static_execute): Likewise.
11060         * ipa-reference.c (scan_for_static_refs): Likewise.
11061         (merge_callee_local_info): Likewise.
11062         (analyze_function): Use type safe memory macros.
11063         (static_execute): Likewise. Cast according to the coding conventions.
11064         * ipa-type-escape.c (scan_for_regs): Cast according to the coding
11065         conventions.
11066         * ipa-utils.c (searchc): Likewise. Avoid using C++ keywords as variable
11067         names.
11068         (ipa_utils_reduced_inorder): Likewise. Use type safe memory macros.
11069         * ipa-utils.h (struct ipa_dfa_info): Avoid using C++ keywords as
11070         variable names.
11071
11072 2007-06-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11073
11074         PR middle-end/30024
11075         * emit-rtl.c (init_emit_once): Intilize const_tiny_rtx[0]
11076         for complex modes (both int and real).
11077
11078 2007-06-29  Jan Hubicka  <jh@suse.cz>
11079
11080         * cse.c: Rever accidentally comitted TODO_verify_rtl_sharing change.
11081
11082 2007-06-29  Jan Hubicka  <jh@suse.cz>
11083
11084         PR middle-end/32372
11085         * cse.c (cse_insn): Avoid invalid sharing in between register note and
11086         the insn pattern.
11087
11088 2007-06-29  Anatoly Sokolov <aesok@post.ru>
11089
11090         PR target/32335
11091         * config/avr/avr.c: Include dataflow header file.
11092         (expand_prologue): Adjust for prologue insn change.
11093         * config/avr/avr.md (call_prologue_saves): Only modify REG_SP once
11094         inside a insn.
11095
11096 2007-06-29  Richard Guenther  <rguenther@suse.de>
11097
11098         PR middle-end/32493
11099         * gimplify.c (gimplify_call_expr): Ignore variable argument parts
11100         during type verification.
11101
11102 2007-06-29  Jan Hubicka  <jh@suse.cz>
11103
11104         * recog.c (validate_change_rtx_1): Unshare TO argument.
11105
11106 2007-06-29  Uros Bizjak  <ubizjak@gmail.com>
11107
11108         PR tree-optimization/24659
11109         * tree-vect-transform.c (vectorizable_call): Handle
11110         (nunits_in == nunits_out / 2) and (nunits_out == nunits_in / 2) cases.
11111
11112         * config/i386/sse.md (vec_pack_sfix_v2df): New expander.
11113         * config/i386/i386.c (enum ix86_builtins)
11114         [IX86_BUILTIN_VEC_PACK_SFIX]: New constant.
11115         (struct bdesc_2arg) [__builtin_ia32_vec_pack_sfix]: New builtin
11116         description.
11117         (ix86_init_mmx_sse_builtins): Define all builtins with 2 arguments as
11118         const using def_builtin_const.
11119         (ix86_expand_binop_builtin): Remove bogus assert() that insn wants
11120         input operands in the same modes as the result.
11121         (ix86_builtin_vectorized_function): Handle BUILT_IN_LRINT.
11122
11123 2007-06-29  Richard Sandiford  <rsandifo@nildram.co.uk>
11124
11125         * df-problems.c (df_set_unused_notes_for_mw): Fix formatting.
11126         (df_set_dead_notes_for_mw): Likewise.
11127
11128 2007-06-29  Eric Botcazou  <ebotcazou@adacore.com>
11129
11130         * c-common.c (pointer_int_sum): Do the negation in sizetype.
11131
11132 2007-06-28  DJ Delorie  <dj@redhat.com>
11133
11134         * config/m32c/m32c.h (OVERRIDE_OPTIONS): Omit unneeded semicolon.
11135
11136 2007-06-28  Geoffrey Keating  <geoffk@apple.com>
11137
11138         * doc/invoke.texi (C++ Dialect Options): Document
11139         fvisibility-ms-compat.
11140         * c.opt (fvisibility-ms-compat): New.
11141
11142 2007-06-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11143
11144         PR tree-opt/32417
11145         * tree-affine.c (aff_combination_add_elt): Handle
11146         pointer addition specially.
11147
11148 2007-06-28  Jakub Jelinek  <jakub@redhat.com>
11149
11150         * config/rs6000/rs6000.c (rs6000_function_ok_for_sibcall): Ensure
11151         decl is non-external for AIX ABI.
11152
11153 2007-06-28  David Edelsohn  <edelsohn@gnu.org>
11154
11155         * config/rs6000/predicates.md (current_file_function_operand):
11156         Ensure the symbol is non-external for AIX ABI.
11157
11158 2007-06-28  Nick Clifton  <nickc@redhat.com>
11159
11160         * common.opt (fipa-matrix-reorg): Add Optimization attribute.
11161         (fdce, fdse, fpredictive-commoning): Likewise.
11162
11163 2007-06-28 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
11164
11165         PR other/31400
11166         * gcc.c (process_command): Recognize the new -static-libgfortran
11167         option.
11168
11169 2007-06-27  Rask Ingemann Lambertsen  <rask@sygehus.dk>
11170
11171         PR target/32418
11172         * config/m32c/m32c.c (m32c_eh_return_stackadj_rtx): Dataflow fix:
11173         Use a call clobbered hard reg instead of a pseudo reg.
11174
11175 2007-06-27  Kaz Kojima  <kkojima@gcc.gnu.org>
11176
11177         * config/sh/sh.md (load_gbr): Use correct operand constraint.
11178
11179 2007-06-27  Kaz Kojima  <kkojima@gcc.gnu.org>
11180
11181         PR target/32479
11182         * config/sh/sh.md (udivsi3): Don't wrap the sequence with
11183         REG_LIBCALL and REG_RETVAL notes.
11184         (divsi3, mulsi3): Likewise.
11185         (mulhisi3): Likewise.  Use emit_libcall_block.
11186         (umulhisi3, smulsi3_highpart, umulsi3_highpart_i): Likewise.
11187
11188 2007-06-27  Seongbae Park  <seongbae.park@gmail.com>
11189
11190         PR rtl-optimization/32481
11191         * combine.c (adjust_for_new_dest): Rescan the changed insn.
11192
11193 2007-06-27  Richard Sandiford  <richard@codesourcery.com>
11194
11195         * dce.c (deletable_insn_p_1): New function, split out from...
11196         (deletable_insn_p): ...here.  Only treat bare USEs and CLOBBERs
11197         specially, not those inside PARALLELs.  Remove BODY argument
11198         and adjust recursive call accordingly.
11199         (prescan_insns_for_dce): Update call to delete_insn_p.
11200
11201 2007-06-27  Richard Guenther  <rguenther@suse.de>
11202
11203         PR middle-end/32492
11204         * tree.h (fold_convertible_p): Declare.
11205         * fold-const.c (fold_convertible_p): New function.
11206         * gimplify.c (gimplify_call_expr): Use fold_convertible_p
11207         instead of lang_hooks.types_compatible_p.
11208
11209 2007-06-26  Jan Hubicka  <jh@suse.cz>
11210
11211         * fwprop.c (try_fwprop_subst): Use validate_unshare_change.
11212         * postreload.c (reload_cse_simplify_set): Instead of copying the rtx
11213         early use validate_unshare_change.
11214         (reload_combine): Likewise.
11215         * recog.c (change_t): New field unshare.
11216         (validate_change_1): Rename from validate_change; add argument unshare.
11217         (validate_change): Turn into wrapper of validate_change_1; update
11218         prototype for bools.
11219         (validate_unshare_change): New.
11220         (confirm_change_group): Unshare changes if asked for; avoid unnecesary
11221         calls of df_insn_rescan.
11222         * recog.h (validate_change): Replace ints by bools.
11223         (validate_unshare_change): Declare.
11224
11225 2007-06-26  Kenneth Zadeck <zadeck@naturalbridge.com>
11226
11227         * tree.def (VEC_WIDEN_MULT_LO_EXPR): Corrected string name.
11228         
11229 2007-06-26  Steve Ellcey  <sje@cup.hp.com>
11230
11231         * builtins.c (expand_builtin_next_arg): Change Pmode to ptr_mode.
11232
11233 2007-06-25  Jan Hubicka  <jh@suse.cz>
11234
11235         * ipa-inline.c (cgraph_mark_inline): Assert that we never inline
11236         uninlinable call.
11237         (cgraph_decide_inlining_of_small_function, cgraph_decide_inlining,
11238         cgraph_decide_inlining_incrementally): Move uninlinability checks to
11239         places other call site specific checks are performed.
11240
11241 2007-06-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11242
11243         PR tree-opt/32421
11244         * tree-vect-transform.c (vectorizable_operation): Convert
11245         POINTER_PLUS_EXPR over to PLUS_EXPR.
11246
11247 2007-06-25  Chao-ying Fu  <fu@mips.com>
11248
11249         * doc/rtl.texi (Machine Modes): Document QQ, HQ, SQ, DQ, TQ,
11250         UQQ, UHQ, USQ, UDQ, UTQ, HA, SA, DA, TA, UHA, USA, UDA, and UTAmodes.
11251         Document MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM.
11252         Document GET_MODE_IBIT, and GET_MODE_FBIT.
11253
11254         * machmode.h (VECTOR_MODE_P): Test MODE_VECTOR_FRACT,
11255         MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
11256         (SCALAR_FRACT_MODE_P, SCALAR_UFRACT_MODE_P, ALL_SCALAR_FRACT_MODE_P,
11257         SCALAR_ACCUM_MODE_P, SCALAR_UACCUM_MODE_P, ALL_SCALAR_ACCUM_MODE_P,
11258         SIGNED_SCALAR_FIXED_POINT_MODE_P, UNSIGNED_SCALAR_FIXED_POINT_MODE_P,
11259         ALL_SCALAR_FIXED_POINT_MODE_P, FRACT_MODE_P, UFRACT_MODE_P,
11260         ALL_FRACT_MODE_P, ACCUM_MODE_P, UACCUM_MODE_P, ALL_ACCUM_MODE_P,
11261         SIGNED_FIXED_POINT_MODE_P, UNSIGNED_FIXED_POINT_MODE_P,
11262         ALL_FIXED_POINT_MODE_P): New define.
11263         (CLASS_HAS_WIDER_MODES_P): Test MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
11264         MODE_UACCUM.
11265         (GET_MODE_IBIT, GET_MODE_FBIT): New define.
11266
11267         * mode-classes.def (MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM,
11268         MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
11269         MODE_VECTOR_UACCUM): New mode classes.
11270
11271         * machmode.def: Document FRACT_MODE, UFRACT_MODE, ACCUM_MODE,
11272         UACCUM_MODE, ADJUST_IBIT, and ADJUST_FBIT.
11273         Add QQ, HQ, SQ, DQ, TQ, UQQ, UHQ, USQ, UDQ, UTQ, HA, SA, DA, TA, UHA,
11274         USA, UDA, and UTA.
11275
11276         * genmodes.c (struct mode_data): Add ibit and fbit fields.
11277         (blank_mode): Initialize ibit and fbit.
11278         (adj_ibit, adj_fbit): New to adjust ibit and fbit.
11279         (vector_class): Handle MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
11280         MODE_UACCUM.
11281         (new_adjust): Change required_class to required_class_from and
11282         required_class_to for testing within a range.
11283         (complete_mode): Handle MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
11284         MODE_UACCUM, MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
11285         MODE_VECTOR_UACCUM.
11286         (FRACT_MODE, UFRACT_MODE, ACCUM_MODE, UACCUM_MODE): New define.
11287         (make_fixed_point_mode): New.
11288         (_ADD_ADJUST): Change C to C1 and C2.
11289         (ADJUST_BYTESIZE, ADJUST_ALIGNMENT, ADJUST_FLOAT_FORMAT): Change to
11290         use a range for machine classes.
11291         (ADJUST_IBIT, ADJUST_FBIT): New.
11292         (emit_insn_modes_h): Output defines of CONST_MODE_IBIT and
11293         CONST_MODE_FBIT.
11294         (emit_mode_adjustments): Handle MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT,
11295         MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
11296         Emit adjustment for ibit and fbit.
11297         (emit_mode_ibit, emit_mode_fbit): New.
11298         (emit_insn_modes_c): Add emit_mode_ibit and emit_mode_fbit.
11299
11300 2007-06-25  Nathan Froyd  <froydnj@codesourcery.com>
11301
11302         * config/rs6000/spe.md (*frob_ti_tf_2): Specify an input_operand
11303         as the source of the set.
11304
11305 2007-06-25  Roman Zippel <zippel@linux-m68k.org>
11306
11307         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P,
11308         FP_REGNO_P): Use IN_RANGE.
11309         (REGNO_OK_FOR_DATA_P, REGNO_OK_FOR_FP_P): Remove.
11310         (REGNO_OK_FOR_INDEX_NONSTRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): New.
11311         (DATA_REG_P): Use DATA_REGNO_P.
11312         (FP_REG_P): Use FP_REGNO_P.
11313         (ADDRESS_REG_P): Use ADDRESS_REGNO_P.
11314         * config/m68k/m68k.c (m68k_legitimate_base_reg_p): Use
11315         REGNO_OK_FOR_INDEX_NONSTRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P.
11316
11317 2007-06-24  Jan Hubicka  <jh@suse.cz>
11318
11319         PR middle-end/30563
11320         * cgraphunit.c (cgraph_analyze_function): Fix ordering problem.
11321
11322 2007-06-24  Sebastian Pop  <sebpop@gmail.com>
11323
11324         PR middle-end/32461
11325         * fold-const.c (fold_binary): Strip nops of operand 0
11326         of BIT_NOT_EXPR before calling operand_equal_p.
11327         * testsuite/gcc.dg/tree-ssa/pr32461-1.c: New.
11328         * testsuite/gcc.dg/tree-ssa/pr32461-2.c: New.
11329
11330 2007-06-23  Mark Mitchell  <mark@codesourcery.com>
11331
11332         * doc/extend.texi: Document that dllimport and dllexport imply
11333         default visibility.
11334         * tree.c (handle_dll_attribute): Set DECL_VISIBILITY on the
11335         imported or exported declaration, including type declarations.
11336         * c-common.c (handle_visibility_attribute): Check for conflicts
11337         with dllimport/dllexport.
11338         (c_determine_visibility): Handle dllimport/dllexport as an
11339         explicit visibility atttribute.
11340
11341 2007-06-23  Richard Guenther  <rguenther@suse.de>
11342
11343         PR tree-optimization/16876
11344         PR middle-end/29478
11345         * tree.h (CALL_CANNOT_INLINE_P): New macro to access static_flag
11346         for CALL_EXPRs.
11347         * tree-inline.c (initialize_inlined_parameters): Do not call
11348         lang_hooks.tree_inlining.convert_parm_for_inlining.
11349         * cgraphbuild.c (initialize_inline_failed): Set inline failed
11350         reason for mismatched types.
11351         * gimplify.c (gimplify_call_expr): Verify the call expression
11352         arguments match the called function type signature.  Otherwise
11353         mark the call expression to be not considered for inlining
11354         using CALL_CANNOT_INLINE_P flag.
11355         * ipa-inline.c (cgraph_mark_inline): Honor CALL_CANNOT_INLINE_P on the
11356         edges call expression.
11357         (cgraph_decide_inlining_of_small_function): Likewise.
11358         (cgraph_decide_inlining): Likewise.
11359         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING):
11360         Remove define.
11361         * c-tree.h (c_convert_parm_for_inlining): Remove declaration.
11362         * c-typeck.c (c_convert_parm_for_inlining): Remove.
11363         * langhooks-def.h (lhd_tree_inlining_convert_parm_for_inlining):
11364         Remove declaration.
11365         (LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING): Remove define.
11366         * langhooks.c (lhd_tree_inlining_convert_parm_for_inlining):
11367         Remove.
11368         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
11369         convert_parm_for_inlining member.
11370
11371 2007-06-23  Richard Earnshaw  <rearnsha@arm.com>
11372
11373         PR target/31152
11374         * arm.md (negscc): Match the correct operand for optimized LT0 test.
11375         Remove optimization for GT.
11376
11377 2007-06-23  Kenneth Zadeck <zadeck@naturalbridge.com>
11378
11379         PR middle-end/32437
11380         * dce.c (deletable_insn_p): Add extra parameter and recurse if insn
11381         is a PARALLEL.
11382         (prescan_insns_for_dce): Add extra parameter.
11383         
11384 2007-06-23  Jan Hubicka  <jh@suse.cz>
11385
11386         PR middle-end/31541
11387         * gimplify.c (mark_addressable): New function.
11388         (gimplify_modify_expr_rhs, gimplify_addr_expr, gimplify_expr): Use it.
11389
11390 2007-06-22  Uros Bizjak  <ubizjak@gmail.com>
11391
11392         PR middle-end/32374
11393         * expr.c (store_constructor): Do not clobber non-zeroed memory. 
11394
11395 2007-06-22  Uros Bizjak  <ubizjak@gmail.com>
11396
11397         PR target/32413
11398         * config/i386/i386.c (ix86_register_move_cost): Rise the cost of
11399         moves between MMX/SSE registers to at least 8 units to prevent
11400         ICE caused by non-tieable SI/HI/QImodes in SSE registers. 
11401
11402 2007-06-22  Uros Bizjak  <ubizjak@gmail.com>
11403
11404         * config/i386/i386.c (override_options): Correct x86_sahf
11405         setting condition.
11406
11407 2007-06-21  David Daney  <ddaney@avtrex.com>
11408
11409         PR target/32406
11410         * config/mips/mips.md (define_constants): Rename UNSPEC_EH_RECEIVER
11411         to UNSPEC_NONLOCAL_GOTO_RECEIVER globally.
11412         (exception_receiver): Renamed to ...
11413         (nonlocal_goto_receiver): ... this.
11414
11415 2007-06-22  Roman Zippel <zippel@linux-m68k.org>
11416
11417         * df-scan.c (df_read_modify_subreg_p): Use REGMODE_NATURAL_SIZE.
11418         (df_def_record_1): Set (DF_REF_READ_WRITE | DF_REF_PARTIAL) for
11419         partial register accesses.
11420
11421 2007-06-21  Adam Nemet  <anemet@caviumnetworks.com>
11422
11423         * fold-const.c (debug_fold_checksum): Move it under
11424         ENABLE_FOLD_CHECKING.
11425
11426 2007-06-21  Sebastian Pop  <sebpop@gmail.com>
11427
11428         PR middle-end/20623
11429         * tree.h (debug_fold_checksum): Declared.
11430         * fold-const.c (build_fold_addr_expr_with_type_1): New.
11431         (build_fold_addr_expr_with_type, build_fold_addr_expr): Use 
11432         build_fold_addr_expr_with_type_1.
11433         (fold_addr_expr, debug_fold_checksum): New.
11434         (fold_checksum_tree): Don't fold TREE_CHAIN of an SSA_NAME.
11435         (fold_unary, fold_comparison, split_address_to_core_and_offset):
11436         Use fold_addr_expr.
11437         
11438 2007-06-21  Sebastian Pop  <sebpop@gmail.com>
11439
11440         PR tree-optimization/19590
11441         * tree-vrp.c (adjust_range_with_scev): Set the range when the result
11442         of scev is a constant.
11443
11444 2007-06-21  Kenneth Zadeck <zadeck@naturalbridge.com>
11445
11446         * df-problems.c (df_note_bb_compute): Made computation of live
11447         info consistent with df_lr.
11448
11449 2007-06-21  Richard Guenther  <rguenther@suse.de>
11450
11451         PR tree-optimization/32453
11452         * tree-vrp.c (extract_range_from_assert): Build POINTER_PLUS_EXPR
11453         for pointer anti-range.
11454
11455 2007-06-21  H.J. Lu  <hongjiu.lu@intel.com>
11456
11457         * config/i386/i386.c (processor_target_table): Increase maximum
11458         skip from 7 byte to 10 byte for Pentium Pro, Core 2 Duo and
11459         default 64bit.
11460
11461         * config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Ensure 8
11462         byte alignment if > 8 byte alignment is preferred.
11463         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
11464
11465 2007-06-21  Jakub Jelinek  <jakub@redhat.com>
11466
11467         PR tree-optimization/31866
11468         * tree-ssa-coalesce.c (create_outofssa_var_map): Do nothing
11469         if ASM_EXPR's input is not a SSA_NAME.
11470
11471         PR middle-end/32362
11472         * omp-low.c (lookup_decl_in_outer_ctx): Don't ICE if t is NULL,
11473         but decl is a global var, instead return decl.
11474         * gimplify.c (gimplify_adjust_omp_clauses_1): Add shared clauses
11475         even for is_global_var decls, if they are private in some outer
11476         context.
11477
11478 2007-06-21  Richard Guenther  <rguenther@suse.de>
11479
11480         PR tree-optimization/32451
11481         * tree-ssa-threadupdate.c (thread_single_edge): Fixup edge flags.
11482
11483 2007-06-21  Christian Bruel  <christian.bruel@st.com>
11484
11485         * config/sh/sh-protos.h (sh_loads_bankedreg_p): Declare.
11486         * config/sh/sh.c (sh_loads_bankedreg_p): New function.
11487         (push_regs): Changed saving order or banked registers.
11488         (sh_expand_epilogue): Likewise.
11489         * config/sh/sh.h (BANKED_REGISTER_P): New macro.
11490         (FIRST_BANKED_REG): Likewise.
11491         (LAST_BANKED_REG): Likewise.
11492         * config/sh/sh.md (banked) New attribute.
11493         (in_delay_slot): Check banked attribute.
11494         
11495 2007-06-20  Sebastian Pop  <sebpop@gmail.com>
11496
11497         PR tree-optimization/32075
11498         * tree-data-ref.c (subscript_dependence_tester_1, 
11499         analyze_miv_subscript, analyze_overlapping_iterations,
11500         add_distance_for_zero_overlaps, build_classic_dist_vector,
11501         subscript_dependence_tester_1, analyze_overlapping_iterations,
11502         subscript_dependence_tester, access_functions_are_affine_or_constant_p,
11503         compute_affine_dependence, compute_all_dependences): Pass loop_nest 
11504         to evolution_function_is_affine_multivariate_p.
11505
11506 2007-06-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
11507
11508         * df-scan.c (df_get_call_refs): Be prepared for MEMs inside CLOBBERs.
11509
11510 2007-06-20  Rask Ingemann Lambertsen  <rask@sygehus.dk>
11511
11512         PR target/32335
11513         * config/m32c/m32c.c (m32c_emit_epilogue): Use new HImode epilogue
11514         for TARGET_A16.
11515         * config/m32c/prologue.md (epilogue_exitd_16): New.
11516         (epilogue_reit_16): New.
11517         (epilogue_exitd): Rename to epilogue_exitd_24.
11518         (epilogue_reit): Rename to epilogue_reit_24.
11519
11520 2007-06-20  Seongbae Park  <seongbae.park@gmail.com>
11521             Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
11522
11523         * dbgcnt.def (global_alloc_at_func, global_alloc_at_reg):
11524         New counters.
11525         * haifa-sched.c (queue_to_ready): Don't requeue next insn
11526         if dbg_cnt (sched_insn) reaches the limit.
11527         (choose_ready): New parameter INSN_PTR and new return value.
11528         (schedule_block): Handle dbg_cnt (sched_insn). Handle
11529         the new return value from choose_ready.
11530         * global.c (global_aloc): New dbgcnt global_alloc_at_reg.
11531         (rest_of_handle_global_alloc): New global_alloc_at_func.
11532
11533 2007-06-20  Adam Nemet  <anemet@caviumnetworks.com>
11534
11535         PR tree-optimization/25737
11536         * tree.h (struct tree_struct_field_tag): Add new field alias_set.
11537         (SFT_NONADDRESSABLE_P, SFT_ALIAS_SET): New macros.
11538         * tree-flow.h (struct fieldoff): Add new field alias_set.
11539         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Add new
11540         argument addressable_type.  Set alias_set of fieldoff.
11541         * tree-ssa-alias.c (create_sft): Add new argument alias_set.
11542         (create_overlap_variables_for): Pass alias_set from fieldoff to
11543         create_sft.
11544         * alias.c (get_alias_set): Use alias_set from SFT if set.
11545
11546 2007-06-20  Hui-May Chang  <hm.chang@apple.com>
11547
11548         * config/i386/darwin.h (ASM_OUTPUT_COMMON): Print the size
11549         of a variable as an unsigned HOST_WIDE_INT integer.
11550
11551 2007-06-20  Zdenek Dvorak  <dvorakz@suse.cz>
11552
11553         PR rtl-optimization/32405
11554         * loop-iv.c (iv_get_reaching_def): Fail for partial defs.
11555
11556 2007-06-20  Jakub Jelinek  <jakub@redhat.com>
11557
11558         * Makefile.in (omega.o): Depend on $(DIAGNOSTIC_H).
11559
11560         PR middle-end/31959
11561         * builtins.c: Include diagnostic.h.
11562         (expand_builtin_expect): Make gcc_assert more permissive.
11563         * Makefile.in (builtins.o): Depend on $(DIAGNOSTIC_H).
11564
11565         PR inline-asm/32109
11566         * gimplify.c (gimplify_asm_expr): Issue error if type is addressable
11567         and !allows_mem.
11568
11569         PR middle-end/32285
11570         * calls.c (precompute_arguments): Also precompute CALL_EXPR arguments
11571         if ACCUMULATE_OUTGOING_ARGS.
11572
11573 2007-06-19  Rask Ingemann Lambertsen  <rask@sygehus.dk>
11574
11575         * config/m68hc11/m68hc11.c: Include dataflow header file.
11576         (m68hc11_reorg): Port to dataflow.
11577
11578 2007-06-19  Kenneth Zadeck <zadeck@naturalbridge.com>
11579
11580         * df.h (DF_FIRST_OPTIONAL_PROBLEM): Removed.
11581         (struct df_problem.free_blocks_on_set_blocks): New field.
11582         (struct dataflow.optional_p): New field.
11583         (df_bb_regno_last_use_find, df_insn_regno_def_p): Removed.
11584         (df_live_set_all_dirty): New function.
11585         * df-scan.c (df_scan_alloc): Initialize optional_p.
11586         (problem_SCAN): Initialize free_blocks_on_set_blocks.
11587         * df-core.c (df_set_blocks): Removed use of
11588         DF_FIRST_OPTIONAL_PROBLEM.  Now uses
11589         df_problem.free_blocks_on_set_blocks to determine which blocks are
11590         recycled.
11591         (df_remove_problem): Removed use of DF_FIRST_OPTIONAL_PROBLEM.
11592         (df_finish_pass): Removed use of DF_FIRST_OPTIONAL_PROBLEM.  Now
11593         uses dataflow.optional_p to determine if problem should be
11594         deleted.
11595         (rest_of_handle_df_initialize): Only start live problem if 
11596         -02 or above.
11597         (df_bb_regno_last_use_find, df_insn_regno_def_p): Removed.
11598         * df-problems.c (df_ru_alloc, df_rd_alloc, df_lr_alloc,
11599         df_live_alloc, df_urec_alloc, df_note_alloc): set optional_p.
11600         (problem_RU, problem_RD, problem_LR, problem_UREC, problem_CHAIN,
11601         problem_NOTE): Initialize free_blocks_on_set_blocks.
11602         (df_lr_bb_local_compute): Recompute luids if df_live problem is
11603         not active.
11604         (df_live_set_all_dirty, df_note_alloc): New function.
11605         * regrename.c (merge_overlapping_regs): Change DF_LIVE_* to
11606         df_get_live_*.
11607         * sched_ebb.c (compute_jump_reg_dependencies): Ditto.
11608         * postreload.c (reload_combine): Ditto.
11609         * cse.c (cse_extended_basic_block): Ditto.
11610         * regmove.c (mark_flags_life_zones): Ditto.
11611         * rtlfactoring.c (split_blocks_after_seqs, split_pattern_seq,
11612         erase_matching_seqs): Ditto.
11613         * bt-load.c (compute_defs_uses_and_gen): Ditto.
11614         * integrate (allocate_initial_values): Ditto.
11615         * combine.c (reg_dead_at_p): Ditto.
11616         * resource.c (mark_target_live_regs): Ditto.
11617         * sched-rgn.c (check_live_1, update_live_1): Ditto.
11618         * config/sh/sh.c (find_r0_life_regions): Ditto.
11619         * global.c (rest_of_handle_global_alloc): Only add back df_live
11620         for -O > 1.
11621         * local-alloc.c (rest_of_handle_local_alloc): Only remove
11622         df_live for -O > 1.
11623         * ifcvt.c (dead_or_predicable): Change DF_LIVE_* to
11624         df_get_live_*.
11625         (if_convert): Make sure df_live is there at -O == 1.
11626         (pass_if_after_combine): Cleanup flags.
11627         * init-regs.c (initialize_uninitialized_regs): Make sure df_live
11628         is there at -O == 1.
11629         
11630 2007-06-19  Seongbae Park  <seongbae.park@gmail.com>
11631
11632         * config/arm/arm.c (arm_get_frame_offsets): Set
11633         offsets->locals_base to avoid negative stack size.
11634         (thumb1_expand_prologue): Assert on negative stack size.
11635
11636 2007-06-19  Sebastian Pop  <sebpop@gmail.com>
11637
11638         PR tree-optimization/32367
11639         * tree-chrec.h (build_polynomial_chrec): Verify that the left hand side 
11640         of the chrec has no evolution in that loop.
11641         * testsuite/gcc.dg/tree-ssa/pr32367.c: New.
11642
11643 2007-06-19  Bob Wilson  <bob.wilson@acm.org>
11644
11645         * config/xtensa/xtensa.c: Include "df.h".
11646         (xtensa_builtin_saveregs): Use adjust_address instead of
11647         change_address.
11648         (xtensa_va_start): Invoke make_tree with sizetype for
11649         expand_builtin_saveregs and then convert the result to a pointer.
11650         Use POINTER_PLUS_EXPR.  Use size_int instead of build_int_cst.
11651         (xtensa_gimplify_va_arg_expr): Use size_int instead of build_int_cst.
11652         Subtract argument size from index value as integers and then use
11653         POINTER_PLUS_EXPR to add the result to the array address.
11654         
11655 2007-06-19  Rask Ingemann Lambertsen  <rask@sygehus.dk>
11656
11657         PR target/32335
11658         * config/m32c/m32c.c: Include dataflow header file.
11659         (m32c_emit_prologue): Adjust for prologue insn change.
11660         * config/m32c/prologue.md (prologue_enter_16): Only modify SP_REGNO
11661         once inside a PARALLEL. Assume frame size passed in operand 0
11662         includes space to save the fb register.
11663         (prologue_enter_24): Likewise.
11664         (epilogue_exitd): Only modify SP_REGNO once inside a PARALLEL.
11665
11666 2007-06-19  David Daney  <ddaney@avtrex.com
11667
11668         PR target/32313
11669         * config/mips/mips.md (cprestore): Mark $gp as used.
11670
11671 2007-06-19  Rask Ingemann Lambertsen  <rask@sygehus.dk>
11672
11673         PR target/32369
11674         * config/frv/frv.c (frv_ifcvt_modify_tests): Dataflow merge fix.
11675         (frv_ifcvt_modify_insn): Likewise.
11676
11677 2007-06-19  Richard Guenther  <rguenther@suse.de>
11678
11679         * tree-ssa-structalias.c (handle_ptr_arith): Make sure to
11680         only handle positive offsets that fit in a HOST_WIDE_INT.
11681
11682 2007-06-19  Uros Bizjak  <ubizjak@gmail.com>
11683
11684         * config/i386/i386.c (ix86_emit_swsqrtsf): Filter out infinity
11685         result of rsqrt insn for zero input argument to avoid NaN.
11686
11687 2007-06-19  Richard Guenther  <rguenther@suse.de>
11688
11689         PR middle-end/31950
11690         * tree-ssa-alias-warnings.c (ffan_walker): Punt on MTAGs.
11691
11692 2007-06-19  Jakub Jelinek  <jakub@redhat.com>
11693
11694         PR tree-optimization/32353
11695         * tree-ssa-structalias.c (set_uids_in_ptset): Also handle RESULT_DECL.
11696
11697 2007-06-19  Nick Clifton  <nickc@redhat.com>
11698
11699         * config/m32r/linux.h (LIB_SPEC): Always imply -lpthread for -pthread.
11700
11701 2007-06-18  Uros Bizjak  <ubizjak@gmail.com>
11702
11703         PR target/32389
11704         * config/i386/i386.h (enum ix86_stack_slot): Add SLOT_VIRTUAL.
11705         * config/i386/i386.c (assign_386_stack_local): Assert that
11706         SLOT_VIRTUAL is valid only before virtual regs are instantiated.
11707         (ix86_expand_builtin) [IX86_BUILTIN_LDMXCSR, IX86_BUILTIN_STMXCSR]:
11708         Use SLOT_VIRTUAL stack slot instead of SLOT_TEMP.
11709         * config/i386/i386.md (truncdfsf2, truncxf<mode>2): Ditto.
11710
11711 2007-06-18  Steve Ellcey  <sje@cup.hp.com>
11712
11713         * config/ia64/ia64.h (LIBGCC2_TF_CEXT): New.
11714
11715 2007-06-18  Seongbae Park  <seongbae.park@gmail.com>
11716
11717         PR rtl-optimization/32321
11718         * gcse.c (replace_store_insn): Update the note before
11719         calling emit_insn_after.
11720
11721 2007-06-18  Kenneth Zadeck <zadeck@naturalbridge.com>
11722
11723         PR middle-end/32355
11724         * gcse (rest_of_handle_gcse): Add call to df_finish_pass after
11725         cse_main.
11726         * df-problems.c (df_note_bb_compute): Fix dumping info.
11727         
11728 2007-06-18  Kazu Hirata  <kazu@codesourcery.com>
11729
11730         * config/m68k/m68k.c (m68k_expand_epilogue): Emit a return
11731         insn with emit_jump_insn.
11732
11733 2007-06-18  Uros Bizjak  <ubizjak@gmail.com>
11734
11735         PR tree-optimization/32383
11736         * targhooks.c (default_builtin_reciprocal): Add new bool argument.
11737         * targhooks.h (default_builtin_reciprocal): Update prototype.
11738         * target.h (struct gcc_target): Update builtin_reciprocal.
11739         * doc/tm.texi (TARGET_BUILTIN_RECIPROCAL): Update description.
11740         * tree-ssa-math-opts (execute_cse_reciprocals): Skip statements
11741         where arg1 is not SSA_NAME.  Pass true to targetm.builtin_reciprocal
11742         when fndecl is in BUILT_IN_MD class.
11743         (execute_convert_to_rsqrt): Ditto.
11744
11745         * config/i386/i386.c (ix86_builtin_reciprocal): Update for new bool
11746         argument.  Convert IX86_BUILTIN_SQRTPS code only when md_fn is true.
11747         Convert BUILT_IN_SQRTF code only  when md_fn is false.
11748
11749 2007-06-18  Kaz Kojima  <kkojima@gcc.gnu.org>
11750
11751         * bt-load.c (move_btr_def): Fix the order of arguments
11752         to validate_replace_rtx.
11753
11754 2007-06-18  Nathan Sidwell  <nathan@codesourcery.com>
11755
11756         * config/m68k/m68k-devices.def: Add 54450..54455.
11757
11758 2007-06-17  Uros Bizjak  <ubizjak@gmail.com>
11759
11760         PR rtl-optimization/32366
11761         * simplify-rtx.c (simplify_unary_operation_1) [FLOAT_TRUNCATE,
11762         FLOAT_EXTEND]: Prevent non-scalar modes from entering
11763         significand_size.
11764
11765 2007-06-17  Kenneth Zadeck <zadeck@naturalbridge.com>
11766
11767         PR middle-end/32349
11768         * modulo-sched (generate_reg_moves): Added rescan parameter and if
11769         this is true, rescan insn being modified.
11770         (sms_schedule): Added rescan parameter.
11771         (rest_of_handle_sms): Moved freeing of dominance info to before
11772         getting out of cfg_layout.
11773         
11774 2007-06-17  Nathan Sidwell  <nathan@codesourcery.com>
11775
11776         * config/m68k/m68k.h (ISA_HAS_FF1, ISA_HAS_MVS_MVZ): New.
11777         * config/m68k/m68k.md: Use ISA_HAS_FF1 and ISA_HAS_MVS_MVZ as
11778         appropriate.
11779
11780         * config/m68k/m68k.c (all_isas): Remove FL_CF_FPU and
11781         FL_CF_EMAC from the entry for isac.
11782
11783         * config/m68k/predicates.md (const_call_operand): Adjust comment.
11784         (const_sibcall_operand): New.
11785         (sibcall_operand): Use it.
11786         * config/m68k/m68k.c (FL_FOR_isa_c): Not ISA_B compatible.
11787         (m68k_isas): ISAC does not imply FPU or EMAC.
11788         (override_options): Add ISA_C logic for symbolic jump & call.
11789
11790 2007-06-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
11791
11792         * config/sparc/sparc.c (sparc_vis_init_builtins): Retrieve the
11793         return mode from the builtin itself.
11794         (sparc_fold_builtin): Fix cast of zero constant.
11795
11796 2007-06-16  Uros Bizjak  <ubizjak@gmail.com>
11797
11798         * targhooks.c (default_builtin_reciprocal): New default target hook.
11799         * targhooks.h (default_builtin_reciprocal): Add prototype.
11800         * hooks.c (hook_tree_tree_bool_null): Remove hook.
11801         * hooks.h (hook_tree_tree_bool_null): Remove prototype.
11802         * target-def.h (TARGET_BUILTIN_RECIPROCAL): Define as
11803         default_builtin_reciprocal.
11804
11805 2007-06-16  Uros Bizjak  <ubizjak@gmail.com>
11806
11807         PR middle-end/31723
11808         * hooks.c (hook_tree_tree_bool_null): New hook.
11809         * hooks.h (hook_tree_tree_bool_null): Add prototype.
11810         * tree-pass.h (pass_convert_to_rsqrt): Declare.
11811         * passes.c (init_optimization_passes): Add pass_convert_to_rsqrt.
11812         * tree-ssa-math-opts.c (execute_cse_reciprocals): Scan for a/func(b)
11813         and convert it to reciprocal a*rfunc(b).
11814         (execute_convert_to_rsqrt): New function.
11815         (gate_convert_to_rsqrt): New function.
11816         (pass_convert_to_rsqrt): New pass definition.
11817         * target.h (struct gcc_target): Add builtin_reciprocal.
11818         * target-def.h (TARGET_BUILTIN_RECIPROCAL): New define.
11819         (TARGET_INITIALIZER): Initialize builtin_reciprocal with
11820         TARGET_BUILTIN_RECIPROCAL.
11821         * doc/tm.texi (TARGET_BUILTIN_RECIPROCAL): Document.
11822
11823         * config/i386/i386.h (TARGET_RECIP): New define.
11824         * config/i386/i386.md (divsf3): Expand by calling ix86_emit_swdivsf
11825         for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
11826         flag_unsafe_math_optimizations are set, flag_trapping_math is unset
11827         and not optimizing for size.
11828         (*rcpsf2_sse): New insn pattern.
11829         (*rsqrtsf2_sse): Ditto.
11830         (rsqrtsf2): New expander.  Expand by calling ix86_emit_swsqrtsf
11831         for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
11832         flag_unsafe_math_optimizations are set, flag_trapping_math is unset
11833         and not optimizing for size.
11834         (sqrt<mode>2): Expand SFmode operands by calling ix86_emit_swsqrtsf
11835         for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
11836         flag_unsafe_math_optimizations are set, flag_trapping_math is unset
11837         and not optimizing for size.
11838         * config/i386/sse.md (divv4sf): Expand by calling ix86_emit_swdivsf
11839         for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
11840         flag_unsafe_math_optimizations are set, flag_trapping_math is unset
11841         and not optimizing for size.
11842         (*sse_rsqrtv4sf2): Do not export.
11843         (sqrtv4sf2): Ditto.
11844         (sse_rsqrtv4sf2): New expander.  Expand by calling ix86_emit_swsqrtsf
11845         for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
11846         flag_unsafe_math_optimizations are set, flag_trapping_math is unset
11847         and not optimizing for size.
11848         (sqrtv4sf2): Ditto.
11849         * config/i386/i386.opt (mrecip): New option.
11850         * config/i386/i386-protos.h (ix86_emit_swdivsf): Declare.
11851         (ix86_emit_swsqrtsf): Ditto.
11852         * config/i386/i386.c (IX86_BUILTIN_RSQRTF): New constant.
11853         (ix86_init_mmx_sse_builtins): __builtin_ia32_rsqrtf: New
11854         builtin definition.
11855         (ix86_expand_builtin): Expand IX86_BUILTIN_RSQRTF using
11856         ix86_expand_unop1_builtin.
11857         (ix86_emit_swdivsf): New function.
11858         (ix86_emit_swsqrtsf): Ditto.
11859         (ix86_builtin_reciprocal): New function.
11860         (TARGET_BUILTIN_RECIPROCAL): Use it.
11861         (ix86_vectorize_builtin_conversion): Rename from
11862         ix86_builtin_conversion.
11863         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Use renamed function.
11864         * doc/invoke.texi (Machine Dependent Options): Add -mrecip to
11865         "i386 and x86_64 Options" section.
11866         (Intel 386 and AMD x86_64 Options): Document -mrecip.
11867
11868 2007-06-15  Andrew Pinski <andrew_pinski@playstation.sony.com>
11869             Zdenek Dvorak <dvorakz@suse.cz>
11870             Richard Guenther  <rguenther@suse.de>
11871             Kaz Kojima  <kkojima@gcc.gnu.org>
11872
11873         * tree-vrp.c (compare_values_warnv): Convert val2 to
11874         the type of val1.
11875         (extract_range_from_assert): Create
11876         POINTER_PLUS_EXPR for pointer types.
11877         (extract_range_from_binary_expr): Handle
11878         only POINTER_PLUS_EXPR, MIN_EXPR, and MAX_EXPR
11879         for pointer types.
11880         * doc/c-tree.texi (POINTER_PLUS_EXPR): Document.
11881         * tree-ssa-loop-niter.c (split_to_var_and_offset): Handle
11882         POINTER_PLUS_EXPR as PLUS_EXPR.
11883         (number_of_iterations_lt_to_ne):
11884         For pointer types, use sizetype when
11885         creating MINUS_EXPR/PLUS_EXPRs.
11886         (assert_loop_rolls_lt): For pointer types, use sizetype when
11887         creating MINUS_EXPR/PLUS_EXPRs.
11888         (number_of_iterations_le): Likewise.
11889         (expand_simple_operations): POINTER_PLUS_EXPR are simple also.
11890         (derive_constant_upper_bound): Handle POINTER_PLUS_EXPR just
11891         like PLUS_EXPR and MINUS_EXPR.
11892         * tree-pretty-print.c (dump_generic_node): Handle
11893         POINTER_PLUS_EXPR.
11894         (op_prio): Likewise.
11895         (op_symbol_1): Likewise.
11896         * optabs.c (optab_for_tree_code): Likewise.
11897         * tree-ssa-loop-manip.c (create_iv): Handle pointer base
11898         specially.
11899         * tree-tailcall.c (process_assignment): Mention
11900         POINTER_PLUS_EXPR in a TODO comment.
11901         * tree.c (build2_stat): Assert when trying to use PLUS_EXPR or 
11902         MINUS_EXPR with a pointer. Also assert for POINTER_PLUS_EXPR
11903         not used with a pointer and an integer type.
11904         * tree-scalar-evolution.c (add_to_evolution_1): Convert the
11905         increment using chrec_convert_rhs instead of chrec_convert.
11906         (follow_ssa_edge_in_rhs): Handle POINTER_PLUS_EXPR like
11907         PLUS_EXPR except for the right hand side's type will be
11908         sizetype.
11909         (interpret_rhs_modify_stmt): Handle POINTER_PLUS_EXPR.
11910         (fold_used_pointer_cast): Kill.
11911         (pointer_offset_p): Kill.
11912         (fold_used_pointer): Kill.
11913         (pointer_used_p): Kill.
11914         (analyze_scalar_evolution_1 <case GIMPLE_MODIFY_STMT>): Don't
11915         call fold_used_pointer.
11916         (instantiate_parameters_1): Convert the increment
11917         using chrec_convert_rhs instead of chrec_convert.
11918         Handle POINTER_PLUS_EXPR as PLUS_EXPR.
11919         * builtins.c (get_pointer_alignment): Handle POINTER_PLUS_EXPR
11920         instead of PLUS_EXPR.
11921         (expand_builtin_strcat): Create a POINTER_PLUS_EXPR instead of
11922         PLUS_EXPR for pointers.
11923         (std_gimplify_va_arg_expr): Likewise.
11924         (fold_builtin_memory_op): Likewise.
11925         (fold_builtin_strstr): Likewise.
11926         (fold_builtin_strchr): Likewise.
11927         (fold_builtin_strrchr): Likewise.
11928         (fold_builtin_strpbrk): Likewise.
11929         (expand_builtin_memory_chk): Likewise.
11930         (fold_builtin_memory_chk): Likewise.
11931         (std_expand_builtin_va_start): Use
11932         sizetype for the call to make_tree and then convert
11933         to the pointer type.
11934         (fold_builtin_memchr): Use POINTER_PLUS_EXPR
11935         instead of PLUS_EXPR for adding to a pointer.
11936         (std_gimplify_va_arg_expr): Use fold_build2 for
11937         the creating of POINTER_PLUS_EXPR.  For the BIT_AND_EXPR, cast
11938         the operands to sizetype first and then cast the BIT_AND_EXPR
11939         back to the pointer type.
11940         * fold-const.c (build_range_check): Handle pointer types
11941         specially.
11942         (extract_array_ref): Look for POINTER_PLUS_EXPR instead
11943         of PLUS_EXPR's. Make sure the offset is converted to
11944         sizetype.
11945         (try_move_mult_to_index): Strip the NOPs from the offset.
11946         Remove code argument and replace all uses with PLUS_EXPR.
11947         (fold_to_nonsharp_ineq_using_bound): Handle pointer types
11948         specially. Don't use a pointer type for MINUS_EXPR.
11949         (fold_unary): Handle for (T1)(X op Y),
11950         only p+ as that is the only as that can be handled for
11951         binary operators now.
11952         (fold_binary <case POINTER_PLUS_EXPR>): Add folding of
11953         POINTER_PLUS_EXPR.
11954         <case PLUS_EXPR>: Add folding of PTR+INT into
11955         PTR p+ INT.
11956         Don't call try_move_mult_to_index.
11957         <case MINUS_EXPR>: Fold (PTR0 p+ A) - (PTR1 p+ B)
11958         into (PTR0 - PTR1) + (A - B). Fold (PTR0 p+ A) - PTR1 into
11959         (PTR0 - PTR1) + A iff (PTR0 - PTR1) simplifies.
11960         Don't call try_move_mult_to_index.
11961         (tree_expr_nonnegative_warnv_p): Handle POINTER_PLUS_EXPR.
11962         (tree_expr_nonzero_p): Likewise.
11963         (fold_indirect_ref_1): Look at POINTER_PLUS_EXPR instead
11964         of PLUS_EXPR for the complex expression folding.
11965         * tree-chrec.c (chrec_fold_plus_poly_poly): If the
11966         first chrec is a pointer type, then the second should
11967         be sizetype and not the first's type.
11968         For POINTER_PLUS_EXPR, use a different right hand side type.
11969         Handle POINTER_PLUS_EXPR like PLUS_EXPR.
11970         (chrec_fold_plus_1): For POINTER_PLUS_EXPR, use a
11971         different right hand side type.
11972         Handle POINTER_PLUS_EXPR like PLUS_EXPR.
11973         (chrec_fold_plus): For pointer types, use POINTER_PLUS_EXPR
11974         instead of PLUS_EXPR.
11975         When either operand is zero, convert the other operand.
11976         (chrec_apply): Use chrec_convert_rhs
11977         on the argument x instead of chrec_convert.
11978         (reset_evolution_in_loop): For pointer types, the new_evol
11979         should be sizetype.
11980         (convert_affine_scev): For POINTER_PLUS_EXPR, use a
11981         different right hand side type.
11982         Handle POINTER_PLUS_EXPR like PLUS_EXPR.
11983         (chrec_convert_rhs): New function.
11984         (chrec_convert_aggressive): For POINTER_PLUS_EXPR, use a
11985         different right hand side type.
11986         Handle POINTER_PLUS_EXPR like PLUS_EXPR.
11987         * tree-chrec.h (chrec_convert_rhs): New prototype.
11988         (build_polynomial_chrec): For pointer types, the right hand
11989         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Look for
11990         POINTER_PLUS_EXPR instead of PLUS_EXPR's.
11991         Remove subtraction case as it is always addition now.
11992         Make sure the offset is converted to sizetype.
11993         (fold_stmt_r): Don't handle PLUS_EXPR/MINUS_EXPR specially.
11994         Handle POINTER_PLUS_EXPR like PLUS_EXPR was handled before.
11995         * tree-ssa-loop-ivopts.c (determine_base_object): Abort for 
11996         PLUS_EXPR in pointer type.
11997         Handle POINTER_PLUS_EXPR.
11998         (tree_to_aff_combination): Likewise.
11999         (force_expr_to_var_cost): Likewise.
12000         (force_expr_to_var_cost): Likewise. Create a POINTER_PLUS_EXPR
12001         instead of PLUS_EXPR for pointers.
12002         * c-format.c (check_format_arg): Handle POINTER_PLUS_EXPR
12003         instead of PLUS_EXPR of pointer types.
12004         * tree-stdarg.c (va_list_counter_bump): Handle POINTER_PLUS_EXPR
12005         as PLUS_EXPR.
12006         (check_va_list_escapes): Likewise.
12007         (check_all_va_list_escapes): Likewise.
12008         * dwarf2out.c (loc_descriptor_from_tree_1):
12009         Handle POINT_PLUS_EXPR as a PLUS_EXPR.
12010         * expr.c (expand_expr_real_1): Handle POINTER_PLUS_EXPR.
12011         (string_constant): Likewise.
12012         * tree-ssa-address.c (tree_mem_ref_addr): When adding
12013         the offset to the base, use POINTER_PLUS_EXPR.
12014         (add_to_parts): Convert the index to sizetype.
12015         (create_mem_ref): Create A POINTER_PLUS_EXPR for the one case.
12016         * matrix-reorg.c (collect_data_for_malloc_call): Stmt
12017         will now only be either INDIRECT_REF and POINTER_PLUS_EXPR.
12018         Offset only holds something for PLUS_EXPR.
12019         (ssa_accessed_in_tree): Handle POINTER_PLUS_EXPR just as
12020         a PLUS_EXPR.
12021         (analyze_transpose): POINTER_PLUS_EXPR will only show up now
12022         and not PLUS_EXPR.
12023         (analyze_accesses_for_modify_stmt): Likewise.
12024         Remove comment about the type being integral type as it is
12025         wrong now.
12026         (can_calculate_expr_before_stmt): Handle POINTER_PLUS_EXPR as
12027         PLUS_EXPR.
12028         (transform_access_sites): POINTER_PLUS_EXPR will only show up now
12029         and not PLUS_EXPR.
12030         Correct the type which the artimentic is done in (is now
12031         sizetype).
12032         Reindent one loop.
12033         * tree-data-ref.c (split_constant_offset): Handle
12034         POINTER_PLUS_EXPR
12035         * tree-affine.c (tree_to_aff_combination): Likewise.
12036         * c-typeck.c (build_unary_op): For pointers create the increment
12037         as a sizetype. Create a POINTER_PLUS_EXPR instead of PLUS_EXPR
12038         for pointers.
12039         * gimplify.c (gimplify_self_mod_expr): Create a
12040         POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
12041         (gimplify_omp_atomic_fetch_op): Handle POINTER_PLUS_EXPR.
12042         * tree.def (POINTER_PLUS_EXPR): New tree code.
12043         * tree-predcom.c (ref_at_iteration): If we have a pointer
12044         type do the multiplication in sizetype.
12045         * tree-mudflap.c (mf_xform_derefs_1): Create a
12046         POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
12047         * tree-ssa-forwprop.c 
12048         (forward_propagate_addr_into_variable_array_index):
12049         Don't expect there to be a cast for the index as that
12050         does not exist anymore.
12051         (forward_propagate_addr_expr_1): Check for POINTER_PLUS_EXPR
12052         instead of PLUS_EXPR.
12053         Don't check for the first operand of the POINTER_PLUS_EXPR
12054         was the index as it cannot be.
12055         Call forward_propagate_addr_into_variable_array_index with
12056         the SSA_NAME instead of the statement.
12057         * varasm.c (const_hash_1): Handle POINTER_PLUS_EXPR.
12058         (compare_constant): Likewise.
12059         (copy_constant): Likewise.
12060         (compute_reloc_for_constant): Likewise.
12061         (output_addressed_constants): Likewise.
12062         (initializer_constant_valid_p): Likewise.
12063         * tree-ssa.c (tree_ssa_useless_type_conversion_1):
12064         Convert the MIN/MAX of the inner type to the outer
12065         type before comparing them.
12066         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Handle
12067         POINTER_PLUS_EXPR instead of PLUS_EXPR.
12068         (issue_prefetch_ref): Create a POINTER_PLUS_EXPR instead
12069         of PLUS_EXPR for pointers.
12070         * tree-inline.c (estimate_num_insns_1): Handle
12071         POINTER_PLUS_EXPR.
12072         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): 
12073         Create a POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
12074         (bump_vector_ptr): Create a POINTER_PLUS_EXPR
12075         instead of PLUS_EXPR for the pointer increment statement.
12076         (vect_update_ivs_after_vectorizer): For pointer types, create
12077         POINTER_PLUS_EXPR instead of PLUS_EXPR and also create
12078         MULT_EXPR in sizetype.
12079         (vect_gen_niters_for_prolog_loop): Add a cast when creating
12080         byte_misalign.
12081         * tree-object-size.c (plus_expr_object_size): Handle
12082         POINTER_PLUS_EXPR instead of PLUS_EXPR.  Removing all the extra
12083         code which is trying to figure out which side is a pointer and 
12084         is the index.
12085         (check_for_plus_in_loops_1): Likewise.
12086         (check_for_plus_in_loops): Likewise.
12087         * c-common.c (pointer_int_sum): Create a
12088         POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
12089         * tree-ssa-structalias.c (handle_ptr_arith): Handle
12090         only POINTER_PLUS_EXPR.  Removing all the extra
12091         code which is trying to figure out which side is a pointer and 
12092         is the index.
12093         * tree-cfg.c (verify_expr): Add extra checking for pointers and
12094         PLUS_EXPR and MINUS_EXPR.
12095         Also add checking to make sure the operands of POINTER_PLUS_EXPR
12096         are correct.
12097         * config/frv/frv.c (frv_expand_builtin_va_start): Use sizetype
12098         with make_tree, instead of a pointer type.
12099         * config/s390/s390.c (s390_va_start): Use POINTER_PLUS_EXPR
12100         for pointers instead of PLUS_EXPR.
12101         (s390_gimplify_va_arg): Likewise.
12102         * config/spu/spu.c (spu_va_start): Create POINTER_PLUS_EXPR
12103         instead of PLUS_EXPR when doing addition on pointer
12104         types.  Use sizetype for the second operand.
12105         (spu_gimplify_va_arg_expr): Likewise.
12106         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use 
12107         POINTER_PLUS_EXPR instead of PLUS_EXPR when the operand was
12108         a pointer.  Don't create a BIT_AND_EXPR for pointer types.
12109         * config/i386/i386.c (ix86_va_start): Use POINTER_PLUS_EXPR
12110         for the pointer addition and also use size_int/sizetype
12111         for the offset.
12112         (ix86_gimplify_va_arg): Likewise.
12113         Perform BIT_AND_EXPR on sizetype arguments.
12114         * config/sh/sh.c (sh_va_start): Call make_tree with sizetype
12115         and convert its result to a pointer type.  Use POINTER_PLUS_EXPR
12116         for the pointer additions and also use size_int for the offsets.
12117         (sh_gimplify_va_arg_expr): Use POINTER_PLUS_EXPR for the pointer
12118         additions and also use size_int for the offsets.  Perform
12119         BIT_AND_EXPR on sizetype arguments.
12120         * config/ia64/ia64.c (ia64_gimplify_va_arg): Use
12121         POINTER_PLUS_EXPR for pointers and create the
12122         BIT_AND_EXPR in sizetype.
12123         * config/rs6000/rs6000.c (rs6000_va_start): Use POINTER_PLUS_EXPR
12124         instead of PLUS_EXPR for pointer addition.
12125         (rs6000_va_start): Likewise.
12126         Also use sizetype for the offset.
12127         * config/pa/pa.c (reloc_needed): Handle POINTER_PLUS_EXPR
12128         as PLUS_EXPR/MINUS_EXPR.
12129         (hppa_gimplify_va_arg_expr): Don't create MINUS_EXPR or
12130         PLUS_EXPR for pointers, instead use POINTER_PLUS_EXPR.
12131         Don't use BIT_AND_EXPR on a pointer type, convert the
12132         expression to sizetype first.
12133         * config/mips/mips.c (mips_va_start): Use POINTER_PLUS_EXPR
12134         for pointers.
12135         (mips_gimplify_va_arg_expr): Likewise.
12136         Don't create BIT_AND_EXPR in a pointer type.
12137
12138 2007-06-15  Eric Christopher  <echristo@apple.com>
12139
12140         * config.gcc (i?86-*-darwin*): Add t-crtfm and t-crtpc.
12141         (x86_64-*-darwin*): Ditto.
12142         * config/i386/darwin.h (CRTEND_SPEC): New. Add support
12143         for above.
12144
12145 2007-06-15  Matthew Wilcox <matthew@wil.cx>
12146
12147         * doc/extend.texi: Document behavior of __attribute__((aligned))
12148         on typedefs.
12149
12150 2007-06-15  Mark Mitchell  <mark@codesourcery.com>
12151
12152         * rtlanal.c (note_stores): Improve documentation.
12153
12154 2007-06-15  Bernd Schmidt  <bernd.schmidt@analog.com>
12155
12156         * config/bfin/elf.h (ASM_GENERATE_INTERNAL_LABEL,
12157         LOCAL_LABEL_PREFIX): Delete.
12158         * config/bfin/bfin.c (TARGET_ASM_INTERNAL_LABEL): Delete.
12159         (bfin_internal_label): Delete.
12160
12161 2007-06-15  Uros Bizjak  <ubizjak@gmail.com>
12162
12163         * libgcc2.c (CEXT): When compiling L_multc3 and L_divtc3,
12164         define to "l" if LIBGCC_LONG_DOUBLE_SIZE == 128,
12165         otherwise define to LIBGCC2_TF_CEXT.
12166         * config/i386/linux64.h (LIBGCC2_HAS_TF_MODE): New define.
12167         (LIBGCC_TF_CEXT): Ditto.
12168         (TF_SIZE): Ditto.
12169
12170 2007-06-14  Seongbae Park  <seongbae.park@gmail.com>
12171
12172         PR rtl-optimization/32339
12173         * df-scan.c (df_uses_record): Don't modify flags but just add to
12174         it for df_ref_record.
12175
12176 2007-06-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12177
12178         * tree-mudflap.c: Fix whitespace issues.
12179
12180 2007-06-15  Kazu Hirata  <kazu@codesourcery.com>
12181
12182         * config/m68k/m68k.c (ASM_DOT, ASM_DOTW, ASM_DOTL): Remove.
12183
12184 2007-06-14  Eric Christopher  <echristo@apple.com>
12185
12186         * config/i386/sse.md (movdi_to_sse): Rewrite body.
12187         (movv4sf): Use gcc_unreachable instead of abort.
12188
12189 2007-06-14  Uros Bizjak  <ubizjak@gmail.com>
12190
12191         PR target/32268
12192         * config/i386/sfp-machine.h (CMPtype): New define.
12193         (mach stubs): Use CMPtype instead of int as a return type.
12194
12195 2007-06-14  Uros Bizjak  <ubizjak@gmail.com>
12196
12197         * config/soft-fp/eqdf2.c, config/soft-fp/eqsf2.c,
12198         config/soft-fp/eqtf2.c, config/soft-fp/gedf2.c,
12199         config/soft-fp/gesf2.c, config/soft-fp/getf2.c,
12200         config/soft-fp/ledf2.c, config/soft-fp/lesf2.c,
12201         config/soft-fp/letf2.c, config/soft-fp/unorddf2.c,
12202         config/soft-fp/unordsf2.c, config/soft-fp/unordtf2.c,
12203         config/soft-fp/soft-fp.h: Update from glibc CVS.
12204
12205 2007-06-14  Bernd Schmidt  <bernd.schmidt@analog.com>
12206
12207         * config/bfin/uclinux.h (MFWRAP_SPEC): New.
12208
12209 2007-06-14  Rask Ingemann Lambertsen  <rask@sygehus.dk>
12210
12211         PR target/32341
12212         * config/v850/v850.c: Include dataflow header file.
12213         (substitute_ep_register): Fix typo.
12214
12215 2007-06-14  Paolo Bonzini  <bonzini@gnu.org>
12216
12217         * configure.ac: Fix earlier checkin.
12218         * configure: Regenerated.
12219
12220 2007-06-14  Paolo Bonzini  <bonzini@gnu.org>
12221
12222         * acinclude.m4 (gcc_AC_CHECK_PROG_VER): Remove.
12223         * aclocal.m4: Regenerate.
12224         * configure.ac: Use ACX_PROG_CC_WARNING_OPTS,
12225         ACX_PROG_CC_WARNINGS_ARE_ERRORS,
12226         ACX_PROG_CC_WARNING_ALMOST_PEDANTIC, ACX_CHECK_PROG_VER.
12227         * configure: Regenerate.
12228         * Makefile.in (LOOSE_WARN): Subst loose_warn.
12229
12230         * Makefile.in (quickstrap): Build libgcc too.
12231
12232 2007-06-14  Paolo Bonzini  <bonzini@gnu.org>
12233
12234         * configure.ac: Add --enable-checking=df.  Explicitly mention that
12235         the variables are initialized as for "release".
12236         * df-core.c: Use it.
12237         * configure: Regenerate.
12238         * config.in: Regenerate.
12239
12240 2007-06-14  Bob Wilson  <bob.wilson@acm.org>
12241
12242         * config/xtensa/xtensa.c (xtensa_expand_nonlocal_goto): Use
12243         validate_replace_rtx instead of replace_rtx.
12244         (xtensa_expand_prologue): Call df_insn_rescan after replace_rtx.
12245
12246 2007-06-14  Danny Smith  <dannysmith@users.sourceforge.net>
12247
12248         * config/i386/cygming.h (DWARF_FRAME_REGNUM): Define.
12249         (DWARF2_UNWIND_INFO): Override default if configured with
12250         SJLJ EH disabled.
12251         * config/i386/cygwin.h (STARTFILE_SPEC): Add crtbegin.o.
12252         (ENDFILE_SPEC): Add crtend.o.
12253         * config/i386/mingw32.h (STARTFILE_SEC): Add crtbegin.o.
12254         (ENDFILE_SPEC): Add crtend.o.
12255         (TARGET_USE_JCR_SECTION): Define.
12256         (MD_UNWIND_SUPPORT): Define for 32-bit target.
12257
12258         * config/i386/cygming-crtbegin.c: New file.
12259         * config/i386/cygming-crtend.c: New file.
12260
12261 2007-06-14  Pascal Obry Pascal Obry  <obry@adacore.com>
12262
12263         * config/i386/w32-unwind.h: New file.
12264
12265 2007-06-13  Eric Christopher  <echristo@apple.com>
12266
12267         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Don't let
12268         the user set a value below STACK_BOUNDARY.
12269
12270 2007-06-13  Thiemo Seufer  <ths@networkno.de>
12271
12272         * config/mips/linux.h, config/mips/linux64.h (LIB_SPEC): Always
12273         imply -lpthread for -pthread.
12274
12275 2007-06-13  Kazu Hirata  <kazu@codesourcery.com>
12276
12277         * basic-block.h: Remove the prototype for
12278         free_basic_block_vars.
12279         * cfglayout.h: Remove the prototype for
12280         insn_locators_initialize.
12281         * tree.h: Remove the prototype for emit_line_note.
12282
12283         * tree-ssa-pre.c (mergephitemp): Remove.
12284         (init_pre): Don't use mergephitemp.
12285
12286 2007-06-13  Eric Christopher  <echristo@apple.com>
12287
12288         * config/i386/i386.c (override_options): If we've specified
12289         an arch then don't use TARGET_SUBTARGET_ISA_DEFAULTs.
12290
12291 2007-06-13  Bob Wilson  <bob.wilson@acm.org>
12292
12293         * df-scan.c (df_get_entry_block_def_set): Check if STATIC_CHAIN_REGNUM
12294         is defined.
12295
12296 2007-06-13  Bernd Schmidt  <bernd.schmidt@analog.com>
12297
12298         * config/bfin/bfin.h (EH_RETURN_HANDLER_RTX): Use gen_frame_mem.
12299         * config/bfin/bfin.md (UNSPEC_VOLATILE_STORE_EH_HANDLER): New constant.
12300         (eh_store_handler): New pattern.
12301         (eh_return): Emit it instead of a plain move.
12302
12303 2007-06-13  Uros Bizjak  <ubizjak@gmail.com>
12304
12305         * config/i386/i386.c (ix86_init_mmx_sse_builtins)
12306         [__builtin_infq, __builtin_fabsq]: Define usign def_builtin.
12307         [__builtin_ia32_rsqrtps, __builtin_ia32_rsqrtss]: Define using
12308         def_builtin_const.
12309
12310 2007-06-13  Bernd Schmidt  <bernd.schmidt@analog.com>
12311
12312         * config/bfin/bfin.c (gen_one_bundle): Delete unused local variables.
12313         (find_next_insn_start, find_load): New functions.
12314         (bfin_reorg): Use them to deal with the fact that parallel insns are
12315         no longer represented as a SEQUENCE.
12316
12317 2007-06-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
12318
12319         * config/sparc/sparc.c (sparc_override_options): Initialize
12320         fpu mask correctly.
12321
12322 2007-06-13  Dave Korn  <dave.korn@artimi.com>
12323
12324         * config/i386/i386.c (ix86_eax_live_at_start_p): Use
12325         df_get_live_out.
12326
12327 2007-06-13  Kazu Hirata  <kazu@codesourcery.com>
12328
12329         * auto-inc-dec.c, c-incpath.c, config/c4x/libgcc.S,
12330         config/sh/divcost-analysis, dbgcnt.def, df-core.c,
12331         df-problems.c, df-scan.c, df.h, dominance.c, dse.c, regstat.c,
12332         tree-data-ref.c, tree-ssa-loop-im.c, tree-ssa-loop-prefetch.c,
12333         tree-vect-transform.c: Fix comment typos.  Follow spelling
12334         conventions.
12335
12336 2007-06-12  Seongbae Park  <seongbae.park@gmail.com>
12337
12338        * df-scan.c (df_get_exit-block_use_set): Always add the stack pointer
12339        to the exit block use set.
12340        (df_insn_delete, df_insn_rescan): Fixed spelling of "deferring". 
12341        * gcse.c (cpro_jump): Don't emit barrier in cfglayout mode.
12342        * config/sparc/sparc.c (sparc_check_64): Check df != NULL.
12343
12344 2007-06-12  Seongbae Park  <seongbae.park@gmail.com>
12345
12346         * opts.c (common_handle_option): Handle new option -fdbg-cnt-list.
12347         * dbgcnt.c (dbg_cnt_set_limit_by_name): Return value
12348         to indicate an error.
12349         (dbg_cnt_process_single_pair, dbg_cnt_list_all_counters):
12350         New functions.
12351         (dbg_cnt_process_opt): Print an error on a bad argument.
12352         * dbgcnt.h (dbg_cnt_list_all_counters): New function declaration.
12353         * common.opt (-fdbg-cnt-list): New.
12354         * doc/invoke.texi (-fdbg-cnt-list,-fdbg-cnt=): New.
12355
12356 2007-06-12  Eric Botcazou  <ebotcazou@adacore.com>
12357
12358         * tree-ssa-alias.c (finalize_ref_all_pointers): Clear pt_anything
12359         flag on ref-all pointers.
12360
12361 2007-06-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12362
12363         PR middle-end/31579
12364         * expr.c (expand_expr_addr_expr_1): Call expand_expr
12365         for the offset with the modifier as EXPAND_INITIALIZER
12366         if the modifier is EXPAND_INITIALIZER.
12367         (expand_expr_real_1 <case INTEGER_CST>): Don't force to
12368         a register if we had an overflow.
12369
12370 2007-06-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12371
12372         * real.c (real_isfinite): New.
12373         (real_sqrt): Use it.
12374         * real.h (real_isfinite): New.
12375         * builtins.c: Use it.
12376
12377 2007-06-12  Ian Lance Taylor  <iant@google.com>
12378             Daniel Berlin  <dberlin@dberlin.org>
12379
12380         PR libstdc++/29286
12381         * tree.def: Add CHANGE_DYNAMIC_TYPE_EXPR.
12382         * tree.h (CHANGE_DYNAMIC_TYPE_NEW_TYPE): Define.
12383         (CHANGE_DYNAMIC_TYPE_LOCATION): Define.
12384         (DECL_NO_TBAA_P): Define.
12385         (struct tree_decl_common): Add no_tbaa_flag field.
12386         * tree-ssa-structalias.c (struct variable_info): Add
12387         no_tbaa_pruning field.
12388         (new_var_info): Initialize no_tbaa_pruning field.
12389         (unify_nodes): Copy no_tbaa_pruning field.
12390         (find_func_aliases): Handle CHANGE_DYNAMIC_TYPE_EXPR.
12391         (dump_solution_for_var): Print no_tbaa_pruning flag.
12392         (set_uids_in_ptset): Add no_tbaa_pruning parameter.  Change all
12393         callers.
12394         (compute_tbaa_pruning): New static function.
12395         (compute_points_to_sets): Remove CHANGE_DYNAMIC_TYPE_EXPR nodes.
12396         Call compute_tbaa_pruning.
12397         * tree-ssa-alias.c (may_alias_p): Test no_tbaa_flag for pointers.
12398         * gimplify.c (gimplify_expr): Handle CHANGE_DYNAMIC_TYPE_EXPR.
12399         * gimple-low.c (lower_stmt): Likewise.
12400         * tree-gimple.c (is_gimple_stmt): Likewise.
12401         * tree-ssa-operands.c (get_expr_operands): Likewise.
12402         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
12403         * tree-inline.c (estimate_num_insns_1): Likewise.
12404         (copy_result_decl_to_var): Likewise.
12405         * expr.c (expand_expr_real_1): Likewise.
12406         * tree-pretty-print.c (dump_generic_node): Likewise.
12407         * tree-inline.c (copy_decl_to_var): Copy DECL_NO_TBAA_P flag.
12408         * omp-low.c (omp_copy_decl_2): Likewise.
12409         * print-tree.c (print_node): Print DECL_NO_TBAA_P flag.
12410         * doc/c-tree.texi (Expression trees): Document
12411         CHANGE_DYNAMIC_TYPE_EXPR.
12412
12413 2007-06-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12414
12415         * fold-const.c (fold_binary): Guard (X-X) -> 0 transformation
12416         with !HONOR_NANS and !HONOR_INFINITIES.
12417         * simplify-rtx.c (simplify_binary_operation_1): Likewise.
12418
12419 2007-06-12  Tristan Gingold  <gingold@adacore.com>
12420
12421         * gcov.c: Comments updated.
12422         (source_info): Add file_time field.
12423         (source_index): New variable.
12424         (mutiple_files): New variable.
12425         (generate_results): New function extracted from process_file.
12426         (process_file): Save and restore chain of functions, generate
12427         results and free structures only if not merging results.
12428         (release_structures): File names are now freed in create_file_names
12429         (create_file_names): Free previous file names.
12430         (find_source): File date is now read here and modifications in
12431         source files is checked here.
12432         (read_graph_file): Only reverse order of functions for the current
12433         object file.
12434         (make_gcov_file_name): Do not generate long names if input_name is
12435         NULL.
12436         (output_lines): If merging results do not display graph, data and
12437         runs informations.
12438         Checking source file modification is done in find_source.
12439
12440         * doc/gcov.texi: Append an s to sourcefile.
12441
12442 2007-06-12  Bernd Schmidt  <bernd.schmidt@analog.com>
12443
12444         * config/bfin/bfin.md (UNSPEC_NOP): New constant.
12445         (forced_nop): New pattern.
12446         * config/bfin/bfin.c: Include "df.h".
12447         (add_to_reg): Use df_regs_ever_live_p instead of regs_ever_live.
12448         (bfin_discover_loop): Use df_get_live_in instead of
12449         global_live_at_start.
12450         (bfin_reorder_loops): Pass 0 to cfg_layout_initialize.  Call
12451         df_analyze when done.
12452         (gen_one_bundle): Don't generate SEQUENCE insns, just put modes on
12453         the insns.  Use QImode for the final insn in a bundle.  Call
12454         df_insn_rescan on generated NOPs; use gen_forced_nop instead of
12455         gen_nop.
12456         (reorder_var_tracking_notes): New function.
12457         (bfin_reorg): Pass no argument to split_all_insns.  Don't call
12458         update_life_info.  Call df_analyze after scheduling and bundle
12459         generation.  Call reorder_var_tracking_notes if generating these
12460         notes.  Call df_finish_pass at the end.
12461
12462 2007-06-12  Dirk Mueller  <dmueller@suse.de>
12463
12464         * optabs.c (debug_optab_libfuncs): fix gcc_assert to
12465         a comparison, not an assignment.
12466
12467 2007-06-12  Olivier Hainque  <hainque@adacore.com>
12468
12469         * tree-nested.c (convert_local_reference): Handle VIEW_CONVERT_EXPR.
12470         Request walking the subtrees only, leaving the current is_lhs/val_only
12471         untouched.
12472         (convert_non_local_reference): Likewise.
12473
12474 2007-06-12  Nathan Sidwell  <nathan@codesourcery.com>
12475
12476         * config/m68k/m68k-devices.def (52221, 52223, 5253): New.
12477
12478 2007-06-12  Richard Guenther  <rguenther@suse.de>
12479
12480         PR tree-optimization/15353
12481         PR tree-optimization/31657
12482         * passes.c (init_optimization_passes): Add pass_tree_ifcombine.
12483         * timevar.def: Add TV_TREE_IFCOMBINE.
12484         * tree-pass.h (pass_tree_ifcombine): Declare.
12485         * tree-ssa-ifcombine.c: New file.
12486         * tree-ssa-phiopt.c (blocks_in_phiopt_order): Export.
12487         * tree-flow.h (blocks_in_phiopt_order): Declare.
12488         * Makefile.in (OBJS-common): Add tree-ssa-ifcombine.o.
12489         (tree-ssa-ifcombine.o): New dependencies.
12490
12491 2007-06-12  Uros Bizjak  <ubizjak@gmail.com>
12492
12493         PR rtl-optimization/32293
12494         * combine.c (simplify_if_then_else): Truncate return from
12495         nonzero_bits() to correct mode.
12496
12497 2007-06-12  Uros Bizjak  <ubizjak@gmail.com>
12498
12499         * fold-const (fold_binary) [RDIV_EXPR]: Also optimize a/cbrt(b/c)
12500         into a*cbrt(c/b) if flag_unsafe_math_optimizations is set.
12501
12502 2007-06-11  Diego Novillo  <dnovillo@google.com>
12503
12504         * Makefile.in (reload1.o-warn): Remove.
12505
12506 2007-06-11  Seongbae Park <seongbae.park@gmail.com>
12507
12508         * combine.c (subst): Use reg_overlap_mentioned_p
12509         instead of comparing register numbers directly.
12510
12511 2007-06-11  Kenneth Zadeck <zadeck@naturalbridge.com>
12512
12513         * reload1.c (mark_home_live_1): Use the mode parameter.
12514
12515 2007-06-11  Kenneth Zadeck <zadeck@naturalbridge.com>
12516
12517         * df-scan.c (df_insn_delete, df_insn_rescan, df_insn_rescan_all,
12518         df_process_deferred_rescans, df_notes_rescan): Fixed spelling of
12519         word "deferred".
12520         * df-core.c: Ditto.
12521
12522 2007-06-11  Daniel Berlin  <dberlin@dberlin.org>
12523
12524         * Merge dataflow-branch into mainline (see ChangeLog.dataflow)
12525
12526 2007-06-11  Uros Bizjak  <ubizjak@gmail.com>
12527
12528         * config/i386/i386.md ("*movtf_internal): Penalize moves to and
12529         from integer registers.
12530         (FP mode splitters): Handle TFmode.
12531
12532 2007-06-11  Eric Botcazou  <ebotcazou@adacore.com>
12533
12534         * tree-ssa-structalias.c (find_what_p_points_to): Return false
12535         for ref-all pointers that point-to anything.
12536
12537 2007-06-11  Joseph Myers  <joseph@codesourcery.com>
12538
12539         * config/arm/arm.c (arm_output_dwarf_dtprel,
12540         TARGET_ASM_OUTPUT_DWARF_DTPREL): New.
12541
12542 2007-06-11  Bernd Schmidt  <bernd.schmidt@analog.com>
12543
12544         * config/bfin/bfin.md (movdi_insn, movsi_insn, movv2hi_insn,
12545         movhi_insn, movqi_insn, movsf_insn, movdf_insn): Don't allow constant
12546         to memory moves.
12547
12548 2007-06-11  Rafael Avila de Espindola  <espindola@google.com>
12549
12550         * tree.c (signed_or_unsigned_type_for): New.
12551         (unsigned_type_for): Use signed_or_unsigned_type_for.
12552         (signed_type_for): Use signed_or_unsigned_type_for.
12553         * tree.h (signed_or_unsigned_type_for): New.
12554         (get_signed_or_unsigned_type): Remove.
12555         * fold-const.c (fold_negate_expr): Use signed_type_for instead of
12556         lang_hooks.types.signed_type
12557         (size_diffop): Likewise.
12558         (all_ones_mask_p): Likewise.
12559         (build_range_check): Likewise.
12560         (fold_cond_expr_with_comparison): Likewise.
12561         (fold_cond_expr_with_comparison): Likewise.
12562         (unextend): Likewise.
12563         (extract_muldiv_1): Likewise.
12564         (fold_single_bit_test_into_sign_test): Likewise.
12565         (fold_binary): Likewise.
12566         (fold_ternary): Likewise.
12567         (operand_equal_for_comparison_p): Use signed_or_unsigned_type_for
12568         instead of get_signed_or_unsigned_type.
12569         * c-objc-common.h (LANG_HOOKS_SIGNED_TYPE): Remove.
12570         (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Remove.
12571         * expr.c (signed_or_unsigned_type_for): Use
12572         signed_or_unsigned_type_for instead of get_signed_or_unsigned_type.
12573         * langhooks.c (get_signed_or_unsigned_type): Remove.
12574         (lhd_signed_or_unsigned_type): Remove.
12575         * langhooks.h (lang_hooks_for_types): Remove signed_type and
12576         signed_or_unsigned_type.
12577         (lhd_signed_or_unsigned_type): Remove.
12578         * expmed.c (make_tree): Use signed_type_for instead of
12579         lang_hooks.types.signed_type.
12580         * c-common.c (same_scalar_type_ignoring_signedness): Use
12581         c_common_signed_type instead of lang_hooks.types.signed_type.
12582         (c_common_unsigned_type): New.
12583         (c_common_signed_type): Just call c_common_signed_or_unsigned_type.
12584         (shorten_compare): Use c_common_unsigned_type instead of
12585         c_common_signed_or_unsigned_type.
12586         (c_common_nodes_and_builtins): Use c_common_unsigned_type instead of
12587         unsigned_type_for.
12588         * convert.c (convert_to_integer): Use signed_type_for instead of
12589         lang_hooks.types.signed_type.
12590         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Remove.
12591         (LANG_HOOK_FOR_TYPES_INITIALIZER): Remove LANG_HOOKS_SIGNED_TYPE and
12592         LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE.
12593         * c-format.c (check_format_types): Use c_common_unsigned_type
12594         instead of unsigned_type_for.
12595         * c-decl.c (groakdeclarator): Likewise.
12596         * c-typeck.c (convert_for_assignment): Likewise.
12597         * c-common.h (c_common_unsigned_type): New.
12598
12599 2007-06-11  Uros Bizjak  <ubizjak@gmail.com>
12600
12601         PR target/32280
12602         * config/i386/sse.md ("sse2_ashlti", "sse2_lshrti3"): Move ...
12603         * config/i386/i386.md ("sse2_ashlti", "sse2_lshrti3"): ... to here.
12604
12605 2007-06-11  Uros Bizjak  <ubizjak@gmail.com>
12606
12607         PR middle-end/32279
12608         * fold-const (fold_binary) [RDIV_EXPR]: Optimize a/sqrt(b/c)
12609         into a*sqrt(c/b) if flag_unsafe_math_optimizations is set.
12610
12611 2007-06-10  Jan Sjodin  <jan.sjodin@amd.com>
12612             Sebastian Pop  <sebpop@gmail.com>
12613
12614         * lambda-code.c (remove_iv): New.
12615         (lambda_loopnest_to_gcc_loopnest): Use remove_iv.
12616
12617 2007-06-10  Zdenek Dvorak  <dvorakz@suse.cz>
12618
12619         * tree-data-ref.c (dr_analyze_alias): Handle case smt is NULL.
12620         * tree-predcom.c (mark_virtual_ops_for_renaming): Exported.
12621         * tree-ssa-loop-prefetch.c: Include optabs.h.
12622         (FENCE_FOLLOWING_MOVNT): New macro.
12623         (struct mem_ref): Add independent_p and storent_p fields.
12624         (record_ref): Initalize the new fields.
12625         (gather_memory_references_ref): Return true if the reference
12626         could be analysed.
12627         (gather_memory_references): Check whether all memory accesses
12628         in loop were recorded.
12629         (should_issue_prefetch_p): Return false for nontemporal stores.
12630         (nontemporal_store_p, mark_nontemporal_store, emit_mfence_after_loop,
12631         may_use_storent_in_loop_p, mark_nontemporal_stores): New functions.
12632         (determine_loop_nest_reuse): Detect independent memory references.
12633         (loop_prefetch_arrays): Call mark_nontemporal_stores.
12634         * tree-flow.h (mark_virtual_ops_for_renaming): Declare.
12635         * Makefile.in (tree-ssa-loop-prefetch.o): Add OPTABS_H dependency.
12636         * config/i386/i386.h (x86_mfence): Declare.
12637         (FENCE_FOLLOWING_MOVNT): Return x86_mfence.
12638         * config/i386/i386.c (x86_mfence): New variable.
12639         (ix86_init_mmx_sse_builtins): Initialize x86_mfence.
12640
12641         * tree-pretty-print.c (dump_generic_node): Mark nontemporal stores.
12642         * optabs.c (init_optabs): Initialize storent_optab.
12643         * optabs.h (enum optab_index): Add OTI_storent.
12644         (storent_optab): Declare.
12645         * genopinit.c (optabs): Add initialization for storent_optab.
12646         * tree.h (MOVE_NONTEMPORAL): New macro.
12647         * expr.c (expand_assignment, store_expr, store_constructor_field,
12648         store_constructor, store_field, expand_expr_real_1): Propagate
12649         nontemporality of the expanded store.
12650         (emit_storent_insn): New function.
12651         * expr.h (expand_assignment, store_expr): Declaration changed.
12652         * function.c (assign_parm_setup_reg): Pass false as nontemporality
12653         to expand_assignment.
12654         * stmt.c (expand_asm_expr): Ditto.
12655         * calls.c (initialize_argument_information): Pass false as
12656         nontemporality to store_expr.
12657         * config/i386/sse.md (storentv4sf, storentv2df, storentv2di,
12658         storentsi): New.
12659
12660 2007-06-09  Daniel Berlin  <dberlin@dberlin.org>
12661
12662         * tree-ssa-structalias.c (set_uids_in_ptset): Add is_deref'd
12663         parameter, use it.
12664         (find_what_p_points_to): Pass new parameter to set_uids_in_ptset.
12665
12666 2007-06-09  Daniel Berlin  <dberlin@dberlin.org>
12667
12668         * tree-data-ref.c (dr_may_alias_p): Check that decl_a != decl_b,
12669         and allow DECL_P here.
12670
12671 2007-06-09  Zdenek Dvorak  <dvorakz@suse.cz>
12672
12673         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs,
12674         follow_ssa_edge_in_condition_phi, follow_ssa_edge): Keep more precise
12675         track of the size of the expression.
12676         * cfghooks.c (merge_blocks): Remove block from loops structure only
12677         after call of the merge_blocks hook.
12678
12679 2007-06-09  Tom Tromey  <tromey@redhat.com>
12680
12681         * c-decl.c (grokdeclarator): Added 'deprecated_state' argument.
12682         (deprecated_state): Removed.
12683         (start_decl): Update.
12684         (enum deprecated_states): Moved earlier.
12685         (groktypename): Update.
12686         (push_parm_decl): Likewise.
12687         (grokfield): Likewise.
12688         (start_function): Likewise.
12689
12690 2007-06-09  Ian Lance Taylor  <iant@google.com>
12691
12692         PR tree-optimization/32169
12693         * tree-vrp.c (extract_range_from_unary_expr): For NOP_EXPR and
12694         CONVERT_EXPR, check whether min and max both converted to an
12695         overflow infinity representation.
12696
12697 2007-06-08  Eric Botcazou  <ebotcazou@adacore.com>
12698
12699         * reload1.c (fixup_abnormal_edges): Clear bb field for insns
12700         not inserted on the edge.
12701
12702 2007-06-08  Bob Wilson  <bob.wilson@acm.org>
12703
12704         * config/xtensa/lib1funcs.asm (__udivsi3): Use hardware divide
12705         instructions if they are supported.
12706         (__divsi3, __umodsi3, __modsi3): Likewise.
12707         (__ashldi3, __ashrdi3, __lshrdi3): New.
12708         * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add DImode shift functions.
12709
12710 2007-06-08  Harsha Jagasia <harsha.jagasia@amd.com>
12711             Tony Linthicum <tony.linthicum@amd.com>
12712
12713         * doc/invoke.texi: Add fvect-cost-model flag.
12714         * common.opt (fvect-cost-model): New flag.
12715         * tree-vectorizer.c (new_stmt_vec_info): Initialize inside and outside
12716         cost fields in stmt_vec_info struct for STMT.
12717         * tree-vectorizer.h (stmt_vec_info): Define inside and outside cost
12718         fields in stmt_vec_info struct and access functions for the same.
12719         (TARG_COND_BRANCH_COST): Define cost of conditional branch.
12720         (TARG_VEC_STMT_COST): Define cost of any vector operation, excluding
12721         load, store and vector to scalar operation.
12722         (TARG_VEC_TO_SCALAR_COST): Define cost of vector to scalar operation.
12723         (TARG_VEC_LOAD_COST): Define cost of aligned vector load.
12724         (TARG_VEC_UNALIGNED_LOAD_COST): Define cost of misasligned vector load.
12725         (TARG_VEC_STORE_COST): Define cost of vector store.
12726         (vect_estimate_min_profitable_iters): Define new function.
12727         * tree-vect-analyze.c (vect_analyze_operations): Add a compile-time
12728         check to evaluate if loop iterations are less than minimum profitable
12729         iterations determined by cost model or minimum vect loop bound defined
12730         by user, whichever is more conservative.
12731         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Add a
12732         run-time check to evaluate if loop iterations are less than minimum
12733         profitable iterations determined by cost model or minimum vect loop
12734         bound defined by user, whichever is more conservative.
12735         (vect_estimate_min_profitable_iterations): New function to estimate
12736         mimimimum iterartions required for vector version of loop to be
12737         profitable over scalar version.
12738         (vect_model_reduction_cost): New function.
12739         (vect_model_induction_cost): New function.
12740         (vect_model_simple_cost): New function.
12741         (vect_cost_strided_group_size): New function.
12742         (vect_model_store_cost): New function.
12743         (vect_model_load_cost): New function.
12744         (vectorizable_reduction): Call vect_model_reduction_cost during
12745         analysis phase.
12746         (vectorizable_induction): Call vect_model_induction_cost during
12747         analysis phase.
12748         (vectorizable_load): Call vect_model_load_cost during analysis phase.
12749         (vectorizable_store): Call vect_model_store_cost during analysis phase.
12750         (vectorizable_call, vectorizable_assignment, vectorizable_operation,
12751         vectorizable_promotion, vectorizable_demotion): Call
12752         vect_model_simple_cost during analysis phase.
12753
12754 2007-06-08  Simon Baldwin  <simonb@google.com>
12755
12756         * reg-stack.c (get_true_reg): Readability change.  Moved default case
12757         label into direct switch statement scope.
12758
12759 2007-06-08  Simon Baldwin  <simonb@google.com>
12760
12761         * tree-flow-inline.h (var_ann): Replaced erroneous '=' assignment
12762         in gcc_assert() with '==' comparison.
12763
12764 2007-06-08  Uros Bizjak  <ubizjak@gmail.com>
12765
12766         * config/i386/i386.c (override_options): Merge TARGET_SSE4_2 and
12767         TARGET_ABM handling of x86_popcnt variable.
12768
12769 2007-06-08  Uros Bizjak  <ubizjak@gmail.com>
12770
12771         * doc/extend.texi (X86 Built-in Functions): Document __builtin_fabsq,
12772         __builtin_copysignq and __builtin_infq built-in functions.
12773
12774 2007-06-08  Uros Bizjak  <ubizjak@gmail.com>
12775
12776         * doc/extend.texi (X86 Built-in Functions): Add missing `@item's in
12777         SSE4.2 section.  Correct built-in function names in SSE4A section.
12778
12779 2007-06-08  Uros Bizjak  <ubizjak@gmail.com>
12780
12781         PR tree-optimization/32243
12782         * tree-vect-transform.c (vectorizable_type_promotion): Move check
12783         for ncopies after ratio check between nunits_out and nunits_in.
12784         (vectorizable_type_demotion): Remove single-use variable "scalar_type".
12785
12786 2007-06-08  Dorit Nuzman  <dorit@il.ibm.com>
12787
12788         PR tree-optimization/32224
12789         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fail
12790         vectorization upon a non GIMPLE_MODIFY_STMT.
12791
12792 2007-06-08  Christian Bruel  <christian.bruel@st.com>
12793
12794         PR target/29953
12795         * config/sh/sh.md (doloop_end): New pattern and splitter.
12796         * loop-iv.c (simple_rhs_p): Check for hardware registers.
12797
12798 2007-06-08  Zdenek Dvorak  <dvorakz@suse.cz>
12799
12800         PR middle-end/32209
12801         * dominance.c (debug_dominance_tree, debug_dominance_tree_1): New
12802         functions.
12803         (verify_dominators): Do not change dominance tree.
12804
12805 2007-06-08  Kaz Kojima  <kkojima@gcc.gnu.org>
12806
12807         * config/sh/constraints.md: New file.
12808         * config/sh/sh.c: Include tm-constrs.h.
12809         (reg_class_from_letter): Remove.
12810         (prepare_cbranch_operands): Use satisfies_constraint_*
12811         function instead of macro.
12812         (andcosts, broken_move, sh_secondary_reload): Likewise.
12813         * config/sh/predicates.md (trapping_target_operand): Likewise.
12814         (and_operand, arith_operand, arith_reg_or_0_operand,
12815         cmp_operand, logical_operand, target_operand,
12816         ua_address_operand, ua_offset, xor_operand): Likewise.
12817         * config/sh/sh.md: Include constraints.md.
12818         (*movsicc_t_false): Use satisfies_constraint_* function
12819         instead of macro.
12820         (*movsicc_t_true, ashlsi3_std, ashlhi3_k, lshrsi3_m,
12821         lshrsi3_k, movsi_const_16bit+2, *movhi_media+1,
12822         movdi_const_16bit+1, beq, bne, *ptb): Likewise.
12823         * config/sh/sh.h (reg_class_from_letter): Remove prototype.
12824         (OVERRIDE_OPTIONS): Don't modify reg_class_from_letter.
12825         (REG_CLASS_FROM_CONSTRAINT): Remove.
12826         (CONSTRAINT_LEN, CONST_OK_FOR_I20, CONST_OK_FOR_I,
12827         CONST_OK_FOR_J, CONST_OK_FOR_K16, CONST_OK_FOR_K,
12828         CONST_OK_FOR_P27, CONST_OK_FOR_P, CONST_OK_FOR_M,
12829         CONST_OK_FOR_N, CONST_OK_FOR_CONSTRAINT_P,
12830         CONST_DOUBLE_OK_FOR_LETTER_P): Likewise.
12831         (SECONDARY_INOUT_RELOAD_CLASS): Use satisfies_constraint_*
12832         function instead of macro.
12833         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
12834         (EXTRA_CONSTRAINT_Q, EXTRA_CONSTRAINT_A,
12835         EXTRA_CONSTRAINT_Bsc, EXTRA_CONSTRAINT_B,
12836         EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Remove.
12837         (IS_PC_RELATIVE_LOAD_ADDR_P): New macro.
12838         (IS_LITERAL_OR_SYMBOLIC_S16_P): Likewise.
12839         (IS_LITERAL_OR_SYMBOLIC_U16_P): Likewise.
12840         (IS_NON_EXPLICIT_CONSTANT_P): Likewise.
12841         (EXTRA_CONSTRAINT_Csy, EXTRA_CONSTRAINT_Z, EXTRA_CONSTRAINT_W,
12842         EXTRA_CONSTRAINT_Cpg, EXTRA_CONSTRAINT_C,
12843         EXTRA_MEMORY_CONSTRAINT, EXTRA_CONSTRAINT_Sr0,
12844         EXTRA_CONSTRAINT_Sua, EXTRA_CONSTRAINT_S,
12845         EXTRA_CONSTRAINT_STR): Likewise.
12846         (GO_IF_LEGITIMATE_INDEX): Fix indentation.
12847
12848 2007-06-07  Geoffrey Keating  <geoffk@apple.com>
12849
12850         * config/i386/darwin.h (STACK_BOUNDARY): Define.
12851
12852 2007-06-07  Simon Martin  <simartin@users.sourceforge.net>
12853
12854         PR c++/30759
12855         * c-common.h (flag_cpp0x): Replaced by...
12856         (cxx_dialect): ... this new variable specifying the C++ dialect that
12857         is used.
12858         * c-common.c (flag_cpp0x): Removed.
12859         (cxx_dialect): Defined.
12860         * c-cppbuiltin.c (c_cpp_builtins): flag_cpp0x rewritten in terms of
12861         cxx_dialect.
12862         * c-opts.c (c_common_post_options): Likewise.
12863         (set_std_cxx98): Set cxx_dialect to cxx98.
12864         (set_std_cxx0x): Set cxx_dialect to cxx0x.
12865
12866 2007-06-07  Geoffrey Keating  <geoffk@apple.com>
12867             Hui-May Chang <hm.chang@apple.com>
12868
12869         * doc/invoke.texi (Darwin Options): Update documentation for
12870         -mmacosx-version-min.
12871         * config.gcc (*-*-darwin*): Set extra_gcc_objs.
12872         * config/darwin-driver.c: New file.
12873         * config/darwin.h (GCC_DRIVER_HOST_INITIALIZATION): New.
12874         * config/t-darwin (darwin-driver.o): New rule.
12875
12876         * config/darwin-c.c (version_as_macro): Ignore low digit.
12877
12878 2007-06-07  Uros Bizjak  <ubizjak@gmail.com>
12879
12880         * config/i386/i386.md (standard sse constant splitter): Handle TFmode.
12881         (negtf2, abstf2, *absnegtf2_sse): New insn patterns.
12882         (CSGNMODE): New mode macro.
12883         (CSGNVMODE): New mode attribute.
12884         (copysign<mode>3): Rename from copysingsf3 and copysigndf3.  Macroize
12885         expander using CSGNMODE mode macro.  Handle TFmode.
12886         (copysign<mode>3_const): Rename from copysignsf3_const and
12887         copysigndf3_const.  Macroize pattern using CSGNMODE mode macro.
12888         Handle TFmode.
12889         (copysign<mode>3_var): Rename from copysignsf3_var and
12890         copysigndf3_var.  Macroize pattern using CSGNMODE mode macro.
12891         Handle TFmode.
12892         (copysign<mode>3_var splitter): Macroize pattern using CSGNMODE
12893         mode macro.  Handle TFmode.
12894         * config/i386/sse.md (andtf3, *andtf3, *nandtf3): New insn patterns.
12895         (iortf3, *iortf3): Ditto.
12896         (xortf3, *xortf3): Ditto.
12897         * config/i386/i386.c (ix86_build_signbit_mask): Create scalar
12898         TFmode and TImode masks.
12899         (ix86_expand_copysign): Expand TFmode copysign insn.
12900         (IX86_BUILTIN_INFQ): New.
12901         (IX86_BUILTIN_FABSQ): Ditto.
12902         (IX86_BUILTIN_COPYSIGNQ): Ditto.
12903         (ix86_init_mmx_sse_builtins) [__builtin_infq]: New builtin definition.
12904         [__builtin_fabsq]: Ditto.
12905         [__builtin_copysignq]: Ditto.
12906         (ix86_expand_builtin) [IX86_BUILTIN_INFQ]: Expand builtin.
12907         [IX86_BUILTIN_FABSQ]: Expand builtin using ix86_expand_unop_builtin().
12908         [IX86_BUILTIN_COPYSIGNQ]: Expand builtin using
12909         ix86_expand_binop_builtin().
12910
12911 2007-06-07  Bob Wilson  <bob.wilson@acm.org>
12912
12913         * config/xtensa/lib1funcs.asm: Clean up whitespace.
12914
12915 2007-06-07  Steve Ellcey  <sje@cup.hp.com>
12916
12917         PR target/31850
12918         * rtl.h (push_to_sequence2): New.
12919         * emit-rtl.c (push_to_sequence2): New.
12920         * function.c (assign_parm_data_all): Add new fields.
12921         (assign_parm_setup_block): Call push_to_sequence2 instead of
12922         push_to_sequence.
12923         (assign_parm_setup_reg): Ditto.
12924         (assign_parm_setup_stack): Ditto.
12925         (assign_parms_unsplit_complex): Ditto.
12926         (assign_parms): Change field name.
12927
12928 2007-06-07  Zdenek Dvorak  <dvorakz@suse.cz>
12929
12930         PR tree-optimization/32220
12931         * tree-predcom.c (eliminate_temp_copies): Handle the case that loop
12932         phi node is reached before defining statement.
12933
12934 2007-06-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12935
12936         PR tree-opt/32231
12937         * tree-vect-transform.c (vectorizable_call): Call update_stmt
12938         after changing the right hand side of the assignment.
12939
12940 2007-06-06  Eric Christopher  <echristo@apple.com>
12941
12942         * config.gcc (i?86-*-darwin*): Remove arch parameter.
12943         (x86_64-*-darwin*): Ditto.
12944         * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Define.
12945         (TARGET_SUBTARGET64_ISA_DEFAULT): Ditto.
12946
12947 2007-06-06  Thomas Neumann  <tneumann@users.sourceforge.net>
12948
12949         * tree-ssa-alias-warnings.c (maybe_add_match): Cast according to the
12950         coding conventions.
12951         (add_key): Likewise.
12952         * tree-ssa.c (init_tree_ssa): Use type safe memory macros.
12953         * tree-ssa-ccp.c (ccp_fold_builtin): Avoid using C++ keywords as
12954         variable names.
12955         * tree-ssa-coalesce.c (find_coalesce_pair): Use type safe memory
12956         macros.
12957         (add_cost_one_coalesce): Likewise.
12958         * tree-ssa-copy.c (merge_alias_info): Avoid using C++ keywords as
12959         variable names. Rename orig to orig_name for consistency.
12960         * tree-ssa-dom.c (dom_thread_across_edge): Cast according to the
12961         coding conventions.
12962         (cprop_into_successor_phis): Avoid using C++ keywords as variable
12963         names.
12964         (record_equivalences_from_stmt): Likewise.
12965         * tree-ssa-dse.c (dse_initialize_block_local_data): Cast according to
12966         the coding conventions.
12967         (memory_ssa_name_same): Likewise.
12968         (dse_optimize_stmt): Likewise.
12969         (dse_record_phis): Likewise.
12970         (dse_finalize_block): Likewise.
12971         * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Avoid using C++
12972         keywords as variable names.
12973         (may_move_till): Cast according to the coding conventions.
12974         (force_move_till_expr): Avoid using C++ keywords as variable names.
12975         (force_move_till): Cast according to the coding conventions.
12976         (memref_hash): Likewise.
12977         (memref_eq): Likewise.
12978         (gather_mem_refs_stmt): Likewise.
12979         * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Avoid
12980         using C++ keywords as variable names.
12981         (idx_find_step): Cast according to the coding conventions.
12982         (idx_record_use): Likewise.
12983         (find_depends): Likewise.
12984         (prepare_decl_rtl): Likewise.
12985         (mbc_entry_hash): Likewise.
12986         (mbc_entry_eq): Likewise.
12987         * tree-ssa-loop-niter.c (SWAP): Use the correct the type for tmp.
12988         (simplify_replace_tree): Avoid using C++ keywords as variable names.
12989         (idx_infer_loop_bounds): Cast according to the coding conventions.
12990         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Likewise.
12991         * tree-ssa-math-opts.c (occ_new ): Likwise.
12992         * tree-ssanames.c (duplicate_ssa_name_ptr_info): Use type safe memory
12993         macros.
12994         * tree-ssa-operands.c (add_def_op): Avoid using C++ keywords as
12995         variable names.
12996         (add_use_op): Likewise.
12997         (add_vop): Likewise.
12998         (add_vuse_op): Likewise.
12999         (add_vdef_op): Likewise.
13000         (get_expr_operands): Likewise.
13001         (push_stmt_changes): Use type safe memory macros.
13002         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Avoid using C++
13003         keywords as variable names.
13004         (conditional_replacement): Likewise.
13005         (minmax_replacement): Likewise.
13006         (abs_replacement): Likewise.
13007         * tree-ssa-pre.c (create_expression_by_pieces): Cast according to the
13008         coding conventions.
13009         (insert_fake_stores): Avoid using C++ keywords as variable names.
13010         * tree-ssa-reassoc.c (add_to_ops_vec): Cast according to the coding
13011         conventions.
13012         * tree-ssa-structalias.c (heapvar_lookup): Likewise.
13013         (heapvar_insert): Use type safe memory macros.
13014         (new_var_info): Cast according to the coding conventions.
13015         (new_constraint): Likewise.
13016         (remove_preds_and_fake_succs): Use type safe memory macros.
13017         * tree-ssa-threadupdate.c (thread_block): Cast according to the coding
13018         conventions.
13019         (thread_single_edge): Likewise.
13020         (thread_through_loop_header): Likewise.
13021
13022 2007-06-06  Eric Christopher  <echristo@apple.com>
13023
13024         * config/i386/i386.c (override_options): Move handling
13025         of TARGET_SUBTARGET* earlier.
13026
13027 2007-06-06  Paolo Bonzini  <bonzini@gnu.org>
13028
13029         * genmodes.c (tagged_printf, emit_insn_modes_h): Don't
13030         use %n on printf.
13031
13032 2007-06-06  Zdenek Dvorak  <dvorakz@suse.cz>
13033
13034         * haifa-sched.c (restore_bb_notes): Clear bb field of the notes
13035         emited outside of basic block.
13036         * cfgbuild.c (find_bb_boundaries): Clear bb field for insns between
13037         the created blocks.
13038         * rtl.h (delete_insn_chain): Declaration changed.
13039         * cfgrtl.c (delete_insn_chain): Add option to clear bb field for
13040         non-removed insns.
13041         (rtl_delete_block, rtl_merge_blocks): Pass true to delete_insn_chain.
13042         (delete_insn_chain_and_edges, try_redirect_by_replacing_jump,
13043         rtl_tidy_fallthru_edge, cfg_layout_merge_blocks): Pass false
13044         to delete_insn_chain.
13045         (rtl_verify_flow_info_1): Verify that the insns in header and footer
13046         do not have bb field set.
13047         (rtl_verify_flow_info): Verify that insns between basic blocks do not
13048         have bb field set.
13049         * recog.c (peephole2_optimize): Add argument to delete_insn_chain call.
13050         * cfgcleanup.c (try_optimize_cfg): Ditto.
13051
13052 2007-06-06  Thomas Neumann  <tneumann@users.sourceforge.net>
13053
13054         * lambda-code.c (struct lambda_lattice_s): Add a name to the struct.
13055         (lambda_body_vector_new): Use type safe memory macros.
13056         (lambda_linear_expression_new): Likewise.
13057         (lambda_loopnest_new): Likewise.
13058         (lambda_lattice_new): Likewise.
13059         (replace_uses_equiv_to_x_with_y): Cast according to the coding
13060         conventions. Use type safe memory macros.
13061         * lambda.h (struct lambda_trans_matrix_s): Add a name to the struct.
13062         (lambda_body_vector_s): Likewise.
13063         * lambda-mat.c (lambda_matrix_new): Use type safe memory macros.
13064         * lambda-trans.c (lambda_trans_matrix_new): Likewise.
13065
13066 2007-06-06  Richard Guenther  <rguenther@suse.de>
13067
13068         * tree-ssa-forwprop.c (forward_propagate_into_cond): Return 2
13069         if we need to schedule cfg_cleanup.
13070         (tree_ssa_forward_propagate_single_use_vars): Do so.
13071
13072 2007-06-06  Ian Lance Taylor  <iant@google.com>
13073
13074         * fold-const.c (merge_ranges): If range_successor or
13075         range_predecessor fail, just return 0.
13076
13077 2007-06-06  Uros Bizjak  <ubizjak@gmail.com>
13078
13079         PR tree-optimization/32216
13080         * tree-vectorizer.c (supportable_widening_operation): Determine
13081         signedness of FIX_TRUNC_EXPR from output operand.
13082         (supportable_narrowing_operation): Ditto.
13083         * tree-vect-generic.c (expand_vector_operations_1): Determine
13084         signedness of VEC_UNPACK_FLOAT_HI_EXPR and VEC_UNPACK_FLOAT_LO_EXPR
13085         from input operand.
13086
13087 2007-06-06  Thomas Neumann  <tneumann@users.sourceforge.net>
13088
13089         * config/i386/i386.c (enum pta_flags): Move out of struct scope...
13090         (struct pta): ...from here. Change flags to unsigned to avoid
13091         excessive casting (as it is used as a bit mask).
13092         (override_options): Add casts according to the coding convenventions.
13093         (x86_64_elf_unique_section): Likewise.
13094         (examine_argument): Avoid using C++ keywords as variable names.
13095         (construct_container): Likewise.
13096         (legitimize_pic_address): Likewise.
13097         (get_dllimport_decl): Cast according to the coding conventions. Use
13098         type safe memory macros.
13099         (legitimize_address): Cast according to the coding conventions.
13100         (emit_i387_cw_initialization): Corrected the type of slot to enum
13101         ix86_stack_slot.
13102         (ix86_init_machine_status): Use type safe memory macros.
13103         (bdesc_pcmpestr): Use UNKNOWN instead of integer 0.
13104         (bdesc_pcmpistr): Likewise.
13105         (bdesc_crc32): Likewise.
13106         (bdesc_sse_3arg): Likewise.
13107         (bdesc_2arg): Likewise.
13108         (bdesc_1arg): Likewise.
13109         (ix86_expand_sse_pcmpestr): Cast according to the coding conventions.
13110         (ix86_expand_sse_pcmpistr): Likewise.
13111         (ix86_expand_vec_set_builtin): Use EXPAND_NORMAL instead of integer 0.
13112         (ix86_builtin_vectorized_function): Change the type of fn to unsigned
13113         int to match the langhook definition.
13114         (ix86_builtin_conversion): Change the type of code to unsigned init to
13115         match the langhook definition.
13116         (ix86_preferred_reload_class): Avoid using C++ keywords as variable
13117         names.
13118         (ix86_preferred_output_reload_class): Likewise.
13119         (ix86_cannot_change_mode_class): Likewise.
13120         (ix86_memory_move_cost): Likewise.
13121         (ix86_rtx_costs): Cast the outer_code parameter to enum rtx_code to
13122         avoid excessive casting later on.
13123         (x86_output_mi_thunk): Avoid using C++ keywords as variable names.
13124
13125 2007-06-06  Uros Bizjak  <ubizjak@gmail.com>
13126
13127         * config/i386/sse.md (sse4_2_pcmpestr_cconly): Prefer pcmpestrm
13128         as flags setting insn.
13129         (sse4_2_pcmpistr_cconly): Prefer pcmpistrm as flags setting insn.
13130
13131 2007-06-06  Uros Bizjak  <ubizjak@gmail.com>
13132
13133         * config/i386/i386.md (UNSPEC_ROUNDP, UNSPEC_ROUNDS): Remove.
13134         (UNSPEC_ROUND): New.
13135         ("sse4_1_round<mode>2"): New insn pattern.
13136         ("rint<mode>2"): Expand using "sse4_1_round<mode>2" pattern for
13137         SSE4.1 targets.
13138         ("floor<mode>2"): Rename from floordf2 and floorsf2.  Macroize
13139         expander using SSEMODEF mode macro.  Expand using
13140         "sse4_1_round<mode>2" pattern for SSE4.1 targets.
13141         ("ceil<mode>2"): Rename from ceildf2 and ceilsf2.  Macroize
13142         expander using SSEMODEF mode macro.  Expand using
13143         "sse4_1_round<mode>2" pattern for SSE4.1 targets.
13144         ("btrunc<mode>2"): Rename from btruncdf2 and btruncsf2.  Macroize
13145         expander using SSEMODEF mode macro.  Expand using
13146         "sse4_1_round<mode>2" pattern for SSE4.1 targets.
13147         * config/i386/sse.md ("sse4_1_roundpd", "sse4_1_roundps"): Use
13148         UNSPEC_ROUND instead of UNSPEC_ROUNDP.
13149         ("sse4_1_roundsd", "sse4_1_roundss"): Use UNSPEC_ROUND instead of
13150         UNSPEC_ROUNDS.
13151
13152 2007-06-06  Jan Sjodin  <jan.sjodin@amd.com>
13153             Sebastian Pop  <sebpop@gmail.com>
13154
13155         * lambda.h (build_linear_expr): New.
13156         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression):
13157         Use build_linear_expr, call fold and force_gimple_operand.
13158         (lambda_loopnest_to_gcc_loopnest): Check that there is
13159         something to insert.
13160         * testsuite/gcc.dg/tree-ssa/ltrans-6.c: New.
13161
13162 2007-06-05  Joerg Wunsch  <j.gnu@uriah.heep.sax.de>
13163
13164         PR preprocessor/23479
13165         * doc/extend.texi: Document the 0b-prefixed binary integer
13166         constant extension.
13167
13168 2007-06-05  Uros Bizjak  <ubizjak@gmail.com>
13169
13170         PR tree-optimization/32215
13171         * tree-vectorizer.c (supportable_widening_operation): Return false
13172         for unsupported FIX_TRUNC_EXPR tree code.
13173         (supportable_narrowing_operation): Ditto for FLOAT_EXPR tree code.
13174
13175 2007-06-06  Nathan Froyd  <froydnj@codesourcery.com>
13176
13177         * config/rs6000/rs6000.h (FIXED_SCRATCH): Use r0 as a scratch
13178         register on SPE targets.  Change documentation to reflect
13179         reality.
13180         * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
13181         Change FIXED_SCRATCH to 14 and document why we're keeping r14
13182         out of the register allocation pool.
13183         (rs6000_reg_live_or_pic_offset_p): New function.
13184         (rs6000_emit_prologue): Move the actual saving of LR up to free
13185         r0 for holding r11.  Split saving of SPE 64-bit registers into
13186         its own case.  Ensure that offsets will always be in-range for
13187         'evstdd' by using r11 as a scratch register to point at the start
13188         of the SPE save area.  Save r11 if necessary, as it is the static
13189         chain register.
13190         (rs6000_emit_epilogue): Split restoring of SPE 64-bit registers
13191         into its own case.  Ensure that offsets will always be in-range
13192         for 'evldd' by using r11 as a scratch register to point at the
13193         start of the SPE save area.  Also adjust r11 when restoring
13194         the stack pointer to compensate for pre-loading r11.
13195
13196 2007-06-05  Thomas Neumann  <tneumann@users.sourceforge.net>
13197
13198         * cfg.c (init_flow): Use type safe memory macros.
13199         (alloc_block): Likewise.
13200         (unchecked_make_edge): Likewise.
13201         (dump_flow_info): Avoid using C++ keywords as variable names.
13202         (copy_original_table_clear): Cast according to the coding conventions.
13203         (copy_original_table_set): Likewise.
13204         * cfgexpand (label_rtx_for_bb): Likewise.
13205         (expand_gimple_basic_block): Likewise.
13206         * cfghooks.c (dump_bb): Likewise.
13207         (lv_adjust_loop_header_phi): Avoid using C++ keywords as
13208         variable names.
13209         (lv_add_condition_to_bb): Likewise.
13210         * cfglayout (relink_block_chain): Cast according to the coding
13211         conventions.
13212         (fixup_reorder_chain): Likewise.
13213         (fixup_fallthru_exit_predecessor): Likewise.
13214         * cfgloop.c (glb_enum_p): Likewise.
13215         (get_exit_description): Likewise.
13216         (dump_recorded_exit): Likewise.
13217         * cfgloop.h (enum loop_estimation): Move out of struct scope...
13218         (struct loop): ... from here.
13219         * cfgloopmanip.c (rpe_enum_p): Cast according to the coding
13220         conventions.
13221         * cfgrtl.c (rtl_create_basic_block): Likewise.
13222         (rtl_split_block): Likewise.
13223         (rtl_dump_bb): Likewise.
13224         (cfg_layout_split_block): Likewise.
13225         (init_rtl_bb_info): Use typesafe memory macros.
13226
13227         * graphds.h (struct graph_edge): Renamed edge to graph_edge.
13228         * graphds.h: Updated all usages of edge to graph_edge.
13229         * graphds.c: Likewise.
13230         * cfgloopanal.c: Likewise.
13231
13232 2007-06-05  Ian Lance Taylor  <iant@google.com>
13233
13234         * tree-vrp.c (compare_values_warnv): Check TREE_NO_WARNING on a
13235         PLUS_EXPR or MINUS_EXPR node before setting *strict_overflow_p.
13236         (extract_range_from_assert): Set TREE_NO_WARNING when creating an
13237         expression.
13238         (test_for_singularity): Likewise.
13239
13240 2007-06-05  H.J. Lu  <hongjiu.lu@intel.com>
13241
13242         * config/i386/constraints.md ("Y2"): Replaced by ...
13243         ("Yt"): This.
13244         * config/i386/i386.md: Likewise.
13245         * config/i386/mmx.md: Likewise.
13246         * config/i386/sse.md: Likewise.
13247
13248 2007-06-05  H.J. Lu  <hongjiu.lu@intel.com>
13249
13250         * config/i386/constraints.md ("z"): Replaced by ...
13251         ("Y0"): This.
13252         * config/i386/sse.md (sse4_1_blendvpd): Likewise.
13253         (sse4_1_blendvps): Likewise.
13254         (sse4_1_pblendvb): Likewise.
13255         (sse4_2_pcmpestr): Likewise.
13256         (sse4_2_pcmpestrm): Likewise.
13257         (sse4_2_pcmpestr_cconly): Likewise.
13258         (sse4_2_pcmpistr): Likewise.
13259         (sse4_2_pcmpistrm): Likewise.
13260         (sse4_2_pcmpistr_cconly): Likewise.
13261
13262 2007-06-05  Razya Ladelsky  <razya@il.ibm.com>
13263
13264         * matrix-reorg.c (transform_access_sites): Fix computation.
13265         (transform_allocation_sites): Same.
13266
13267 2007-06-05  Uros Bizjak  <ubizjak@gmail.com>
13268
13269         * config/i386/i386.c (override_options): Use
13270         TARGET_SUBTARGET32_ISA_DEFAULT to select default ix86_isa_flags.
13271
13272 2007-06-05  Uros Bizjak  <ubizjak@gmail.com>
13273
13274         * config/i386/predicates.md (reg_not_xmm0_operand): New predicate.
13275         (nonimm_not_xmm0_operand): Ditto.
13276         * config/i386/sse.md ("sse4_1_blendvpd"): Use "reg_not_xmm0_operand"
13277         as operand[0] and operand[1] predicate.  Use "nonimm_not_xmm0_operand"
13278         as operand[2] predicate.  Require "z" class XMM register for
13279         operand[3].  Adjust asm template.
13280         ("sse4_1_blendvpd"): Ditto.
13281         ("sse4_1_pblendvb"): Ditto.
13282         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Do not
13283         force op2 into xmm0 register for variable blend instructions.
13284
13285 2007-06-04  Tom Tromey  <tromey@redhat.com>
13286
13287         * c-tree.h (start_enum): Update.
13288         (build_enumerator): Likewise.
13289         * c-decl.c (enum_next_value): Removed.
13290         (enum_overflow): Likewise.
13291         (start_enum): Add c_enum_contents argument.  Don't use globals.
13292         (build_enumerator): Likewise.
13293         * c-tree.h (struct c_enum_contents): New struct.
13294
13295 2007-06-04  Tom Tromey  <tromey@redhat.com>
13296
13297         * c-common.c (c_common_get_alias_set): Fix indentation.
13298
13299 2007-06-04  Ian Lance Taylor  <iant@google.com>
13300
13301         * tree-vrp.c (adjust_range_with_scev): When loop is not expected
13302         to overflow, reduce overflow infinity to regular infinity.
13303         (vrp_var_may_overflow): New static function.
13304         (vrp_visit_phi_node): Check vrp_var_may_overflow.
13305
13306 2007-06-04  Kazu Hirata  <kazu@codesourcery.com>
13307
13308         * stor-layout.c (layout_type): Remove duplicate code.
13309
13310 2007-06-04  Uros Bizjak  <ubizjak@gmail.com>
13311
13312         PR c/32191
13313         * c-common.c (c_define_builtins): Call targetm.init_builtins ()
13314         before build_common_builtin_nodes ().
13315
13316 2007-06-04  Steve Ellcey  <sje@cup.hp.com>
13317
13318         PR target/31733
13319         * cfgrtl.c (rtl_verify_flow_info): Skip notes when looking for barrier.
13320
13321 2007-06-04  Jan Hubicka  <jh@suse.cz>
13322
13323         * tree-predcom.c (replace_ref_with, initialize_root_vars_lm,
13324         reassociate_to_the_same_stmt): Call build_gimple_modify_stmt
13325         instead of _stat version.
13326
13327 2007-06-03  Zdenek Dvorak  <dvorakz@suse.cz>
13328
13329         PR tree-optimization/32194
13330         * tree-predcom.c (determine_offset): Check that both references have
13331         the same type.
13332
13333 2007-06-03  Zdenek Dvorak  <dvorakz@suse.cz>
13334
13335         * cfgloopmanip.c (remove_path, loopify, duplicate_loop_to_header_edge):
13336         Change dom_bbs to vector.  Add argument to iterate_fix_dominators call.
13337         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
13338         * tree-cfg.c (tree_duplicate_sese_region): Change doms to vector.
13339         Add argument to iterate_fix_dominators call.
13340         (remove_edge_and_dominated_blocks): Pass vector to bbs_to_fix_dom.
13341         * gcse.c (hoist_code): Change domby to vector.
13342         * cfghooks.c (make_forwarder_block): Change doms_to_fix to vector.
13343         Add argument to iterate_fix_dominators call.
13344         * loop-doloop.c (doloop_modify): Changed recount_dominator to
13345         recompute_dominator.
13346         * lambda-code.c (perfect_nestify): Ditto.
13347         * cfgloopanal.c: Include graphds.h.
13348         (struct edge, struct vertex, struct graph, dump_graph, new_graph,
13349         add_edge, dfs, for_each_edge, free_graph): Moved to graphds.c.
13350         (mark_irreducible_loops): Use graphds_scc.  Remove argument from
13351         add_edge call.
13352         * graphds.c: New file.
13353         * graphds.h: New file.
13354         * dominance.c: Include vecprim.h, pointer-set.h and graphds.h.
13355         (get_dominated_by, get_dominated_by_region): Change return type to
13356         vector.
13357         (verify_dominators): Recompute all dominators and compare the results.
13358         (recount_dominator): Renamed to ...
13359         (recompute_dominator): ... this.  Do not check that the block is
13360         dominated by entry.
13361         (iterate_fix_dominators): Reimplemented.
13362         (prune_bbs_to_update_dominators, root_of_dom_tree,
13363         determine_dominators_for_sons): New functions.
13364         * et-forest.c (et_root): New function.
13365         * et-forest.h (et_root): Declare.
13366         * Makefile.in (graphds.o): Add.
13367         (cfgloopanal.o): Add graphds.h dependency.
13368         (dominance.o): Add graphds.h, vecprim.h and pointer-set.h dependency.
13369         * basic-block.h (get_dominated_by, get_dominated_by_region,
13370         iterate_fix_dominators): Declaration changed.
13371         (recount_dominator): Renamed to ...
13372         (recompute_dominator): ... this.
13373         * tree-ssa-threadupdate.c (thread_block): Free dominance info.
13374         (thread_through_all_blocks): Do not free dominance info.
13375
13376 2007-06-03  Andreas Schwab  <schwab@suse.de>
13377
13378         * config/m68k/m68k.c (override_options): Don't override
13379         REAL_MODE_FORMAT.
13380         * config/m68k/m68k-modes.def (SF, DF): Define to use
13381         motorola_single_format and motorola_double_format, resp.
13382         * real.c (motorola_single_format): Renamed from
13383         coldfire_single_format.
13384         (motorola_double_format): Renamed from coldfire_double_format.
13385         (encode_ieee_extended): Generate a proper canonical NaN image
13386         respecting canonical_nan_lsbs_set.
13387         (ieee_extended_motorola_format): Set canonical_nan_lsbs_set to
13388         true.
13389         * real.h: Adjust declarations.
13390
13391 2007-06-03  Kaz Kojima  <kkojima@gcc.gnu.org>
13392
13393         PR target/32163
13394         * config/sh/sh.md (symGOT_load): Don't schedule insns when
13395         the symbol is generated with the stack protector.
13396
13397 2007-06-03  Kazu Hirata  <kazu@codesourcery.com>
13398
13399         * config/m68k/m68k.c (m68k_attribute_table): Add "interrupt".
13400         (m68k_get_function_kind): Return m68k_fk_interrupt_handler on
13401         "interrupt".
13402         * doc/extend.texi (interrupt): Mention m68k.
13403
13404 2007-06-02  Uros Bizjak  <ubizjak@gmail.com>
13405
13406         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Call
13407         safe_vector_operand() if input operand is VECTOR_MODE_P operand.
13408         (ix86_expand_sse_pcmpestr): Do not check operands for
13409         "register_operand", when insn operand predicate is "register_operand".
13410         (ix86_expand_sse_pcmpistr): Ditto.
13411
13412 2007-06-02  H.J. Lu  <hongjiu.lu@intel.com>
13413             Uros Bizjak  <ubizjak@gmail.com>
13414
13415         * config/i386/i386.h (enum reg_class) [SSE_FIRST_REG]: New.
13416         (SSE_CLASS_P): Use reg_class_subset_p between SSE_REGS.
13417         (REG_CLASS_NAMES): Add "FIRST_SSE_REG" string.
13418         (REG_CLASS_CONTENTS): Add members of FIRST_SSE_REG class.
13419         * config/i386/constraints.md ("z"): New register constraint
13420         for members of SSE_FIRST_REG class.
13421         * config/i386/i386-modes.def (CCA, CCC, CCO, CCS): New compare modes.
13422         * config/i386/i386.c (regclass_map): Change class of %xmm0 to
13423         SSE_FIRST_REG class.
13424         (put_condition_code) [EQ, NE]: Output suffixes for new compare modes.
13425         (ix86_cc_modes_compatible): Handle CCA, CCC, CCO and CCS modes.
13426         (IX86_BUILTIN_PCMPESTRI128): New for SSE4.2.
13427         (IX86_BUILTIN_PCMPESTRM128): Likewise.
13428         (IX86_BUILTIN_PCMPESTRA128): Likewise.
13429         (IX86_BUILTIN_PCMPESTRC128): Likewise.
13430         (IX86_BUILTIN_PCMPESTRO128): Likewise.
13431         (IX86_BUILTIN_PCMPESTRS128): Likewise.
13432         (IX86_BUILTIN_PCMPESTRZ128): Likewise.
13433         (IX86_BUILTIN_PCMPISTRI128): Likewise.
13434         (IX86_BUILTIN_PCMPISTRM128): Likewise.
13435         (IX86_BUILTIN_PCMPISTRA128): Likewise.
13436         (IX86_BUILTIN_PCMPISTRC128): Likewise.
13437         (IX86_BUILTIN_PCMPISTRO128): Likewise.
13438         (IX86_BUILTIN_PCMPISTRS128): Likewise.
13439         (IX86_BUILTIN_PCMPISTRZ128): Likewise.
13440         (struct builtin_description): Change "flag" field to unsigned.
13441         (bdesc_pcmpestr): New builtin description table.
13442         (bdesc_pcmpistr): Likewise.
13443         (ix86_init_mmx_sse_builtins): Define int_ftype_v16qi_int_v16qi_int_int,
13444         v16qi_ftype_v16qi_int_v16qi_int_int and int_ftype_v16qi_v16qi_int.
13445         Initialize pcmp[ei]str[im] insns for SSE4.2.
13446         (ix86_expand_sse_pcmpestr): New subroutine of ix86_expand_builtin.
13447         (ix86_expand_sse_pcmpistr): Likewise.
13448         (ix86_expand_builtin): Expand pcmp[ei]str[im] builtins for SSE4.2.
13449         * config/i386/i386.md (UNSPEC_PCMPESTR): New for SSE4.2.
13450         (UNSPEC_PCMPISTR): Likewise.
13451         * config/i386/sse.md (sse4_2_pcmpestr): New insn patern and splitter.
13452         (sse4_2_pcmpestri):New isns pattern.
13453         (sse4_2_pcmpestrm): Likewise.
13454         (sse4_2_pcmpestr_cconly): Likewise.
13455         (sse4_2_pcmpistr): New insn patern and splitter.
13456         (sse4_2_pcmpistri):New isns pattern.
13457         (sse4_2_pcmpistrm): Likewise.
13458         (sse4_2_pcmpistr_cconly): Likewise.
13459         * config/i386/smmintrin.h: Enable pcmp[ei]str[im] intrinsics
13460         in SSE4.2.
13461
13462 2007-06-01  David Daney  <ddaney@avtrex.com>
13463
13464         * config/mips/mips.c (mips_output_mi_thunk): Only load gp if not
13465         LOADGP_ABSOLUTE and not binds_local_p.
13466
13467 2007-06-01  Geoffrey Keating  <geoffk@apple.com>
13468
13469         * config/darwin.h (LINK_SPEC): Pass -fpie through to the linker.
13470
13471 2007-06-01  Ian Lance Taylor  <iant@google.com>
13472
13473         * tree-vrp.c (compare_name_with_value): Always set
13474         used_strict_overflow if we get a result from the variable itself.
13475
13476 2007-06-01  Ian Lance Taylor  <iant@google.com>
13477
13478         PR rtl-optimization/31455
13479         * lower-subreg.c (find_decomposable_subregs): Don't decompose
13480         subregs which have a cast between modes which are not tieable.
13481
13482 2007-06-01  Uros Bizjak  <ubizjak@gmail.com>
13483
13484         * expr.c (force_operand) [DIV, MOD, UDIV, UMOD, ASHIFTRT]: Remove
13485         breaks after return statements.
13486
13487 2007-06-01  Kaz Kojima  <kkojima@gcc.gnu.org>
13488
13489         * config/sh/sh.c (fpscr_set_from_mem): Call get_free_reg
13490         only after no_new_pseudos.
13491
13492 2007-05-31  Eric Christopher  <echristo@apple.com>
13493
13494         * expr.c (convert_move): Assert that we don't have a BLKmode
13495         operand.
13496         (store_expr): Handle BLKmode moves by calling emit_block_move.
13497
13498 2007-05-31  Daniel Berlin  <dberlin@dberlin.org>
13499
13500         * c-typeck.c (build_indirect_ref): Include type in error message.
13501         (build_binary_op): Pass types to binary_op_error.
13502         * c-common.c (binary_op_error): Take two type arguments, print out
13503         types with error.
13504         * c-common.h (binary_op_error): Update prototype.
13505
13506 2007-05-31  H.J. Lu  <hongjiu.lu@intel.com>
13507
13508         * config/i386/i386.c: Correct coments on -mno-sse4.
13509
13510 2007-05-31  H.J. Lu  <hongjiu.lu@intel.com>
13511
13512         * config.gcc (i[34567]86-*-*): Add nmmintrin.h to extra_headers.
13513         (x86_64-*-*): Likewise.
13514         * config/i386/i386.c (OPTION_MASK_ISA_MMX_UNSET): New.
13515         (OPTION_MASK_ISA_3DNOW_UNSET): Likewise.
13516         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
13517         (OPTION_MASK_ISA_SSE2_UNSET): Likewise.
13518         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
13519         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
13520         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
13521         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
13522         (OPTION_MASK_ISA_SSE4): Likewise.
13523         (OPTION_MASK_ISA_SSE4_UNSET): Likewise.
13524         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
13525         (ix86_handle_option): Use OPTION_MASK_ISA_*_UNSET.  Handle SSE4.2.
13526         (override_options): Support SSE4.2.
13527         (ix86_build_const_vector): Support SImode and DImode.
13528         (ix86_build_signbit_mask): Likewise.
13529         (ix86_expand_int_vcond): Support V2DImode.
13530         (IX86_BUILTIN_CRC32QI): New for SSE4.2.
13531         (IX86_BUILTIN_CRC32HI): Likewise.
13532         (IX86_BUILTIN_CRC32SI): Likewise.
13533         (IX86_BUILTIN_CRC32DI): Likewise.
13534         (IX86_BUILTIN_PCMPGTQ): Likewise.
13535         (bdesc_crc32): Likewise.
13536         (bdesc_sse_3arg): Likewise.
13537         (ix86_expand_crc32): Likewise.
13538         (ix86_init_mmx_sse_builtins): Support SSE4.2.
13539         (ix86_expand_builtin): Likewise.
13540         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Define
13541         __SSE4_2__ for -msse4.2.
13542         * config/i386/i386.md (UNSPEC_CRC32): New for SSE4.2.
13543         (CRC32MODE): Likewise.
13544         (crc32modesuffix): Likewise.
13545         (crc32modeconstraint): Likewise.
13546         (sse4_2_crc32<mode>): Likewise.
13547         (sse4_2_crc32di): Likewise.
13548         * config/i386/i386.opt (msse4.2): New for SSE4.2.
13549         (msse4): Likewise.
13550         * config/i386/nmmintrin.h: New. The dummy SSE4.2 intrinsic header file.
13551         * config/i386/smmintrin.h: Add SSE4.2 intrinsics.
13552         * config/i386/sse.md (sse4_2_gtv2di3): New pattern for SSE4.2.
13553         (vcond<mode>): Use SSEMODEI instead of SSEMODE124.
13554         (vcondu<mode>): Likewise.
13555         * doc/extend.texi: Document SSE4.2 built-in functions.
13556         * doc/invoke.texi: Document -msse4.2/-msse4.
13557
13558 2007-05-31  Zdenek Dvorak  <dvorakz@suse.cz>
13559
13560         PR tree-optimization/32160
13561         * tree-predcom.c (predcom_tmp_var): New function.  Mark created
13562         variable as gimple reg.
13563         (initialize_root_vars, initialize_root_vars_lm): Use predcom_tmp_var.
13564
13565 2007-05-31  Kazu Hirata  <kazu@codesourcery.com>
13566
13567         * gcc.c (main): Don't consider linker options when issuing the
13568         warning about a linker input file not being used.
13569
13570 2007-05-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
13571
13572         * tree-vrp.c (compare_names): Initialize sop.
13573
13574 2007-05-30  Dirk Mueller  <dmueller@suse.de>
13575
13576         * cgraphunit.c (cgraph_analyze_function): Remove
13577         computation of inline parameters.
13578
13579 2007-05-30  Uros Bizjak  <ubizjak@gmail.com>
13580
13581         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Undef before define.
13582
13583 2007-05-30  Richard Sandiford  <richard@codesourcery.com>
13584
13585         * config.gcc (arm-wrs-vxworks): Remove dbxelf.h from tm_file.
13586         Add vx-common.h.  Include vxworks.h between vx-common.h and
13587         arm/vxworks.h.
13588         * config/vx-common.h (DWARF2_UNWIND_INFO): Undefine before
13589         redefining.
13590         * config/vxworks.h (TARGET_ASM_CONSTRUCTOR): Likewise.
13591         (TARGET_ASM_DESTRUCTOR): Likewise.
13592         * config/arm/vxworks.h (TARGET_OS_CPP_BUILTINS): Check arm_arch_xscale
13593         instead of arm_is_xscale.  Use VXWORKS_OS_CPP_BUILTINS.
13594         (OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
13595         (CC1_SPEC): Add -tstrongarm.  Line up backslashes.
13596         (VXWORKS_ENDIAN_SPEC): Define.
13597         (ASM_SPEC): Add VXWORKS_ENDIAN_SPEC.
13598         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine to their
13599         VXWORKS_* equivalents.
13600         (LINK_SPEC): Likewise, but add VXWORKS_ENDIAN_SPEC.
13601         (ASM_FILE_START): Delete.
13602         (TARGET_VERSION): Reformat.
13603         (FPUTYPE_DEFAULT, FUNCTION_PROFILER): Define.
13604         (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define.
13605         * config/arm/t-vxworks (LIB1ASMSRC, LIB1ASMFUNCS): Define.
13606         (FPBIT, DPBIT): Define.
13607         (fp-bit.c, dp-bit.c): New rules.
13608         (MULTILIB_OPTIONS): Add strongarm, -mrtp and -mrtp/-fPIC multilibs.
13609         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Define.
13610         * config/arm/arm-protos.h (arm_emit_call_insn): Declare.
13611         * config/arm/arm.h: Include vxworks-dummy.h.
13612         * config/arm/arm.c (arm_elf_asm_constructor, arm_elf_asm_destructor):
13613         Mark with ATTRIBUTE_UNUSED.
13614         (arm_override_options): Do not allow VxWorks RTP PIC to be used
13615         for Thumb.  Force r9 to be the PIC register for VxWorks RTPs and
13616         make it incompatible with -msingle-pic-base.
13617         (arm_function_ok_for_sibcall): Return false for calls that might
13618         go through a VxWorks PIC PLT entry.
13619         (require_pic_register): New function, split out from...
13620         (legitimize_pic_address): ...here.  Do not use GOTOFF accesses
13621         for VxWorks RTPs.
13622         (arm_load_pic_register): Handle the VxWorks RTP initialization
13623         sequence.  Use pic_reg as a shorthand for cfun->machine->pic_reg.
13624         (arm_emit_call_insn): New function.
13625         (arm_assemble_integer): Do not use GOTOFF accesses for VxWorks RTP.
13626         * config/arm/arm.md (UNSPEC_PIC_OFFSET): New unspec number.
13627         (pic_offset_arm): New pattern.
13628         (call, call_value): Use arm_emit_call_insn.
13629         (call_internal, call_value_internal): New expanders.
13630         * config/arm/lib1funcs.asm (__PLT__): Define to empty for
13631         VxWorks unless __PIC__.
13632
13633 2007-05-30  Eric Christopher  <echristo@gmail.com>
13634
13635         * genrecog.c: Include regs.h in generated file.
13636         * genemit.c: Ditto. Fix up formatting.
13637         * config/mn10300/constraints.md: New.
13638         * config/mn10300/mn10300.md: Include.
13639         * config/mn10300/mn10300.c(mn10300_secondary_reload_class):
13640         Fix up for removed macro.
13641         * config/mn10300/predicates.md (call_address_operand): Ditto.
13642         * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Delete.
13643         (CONST_OK_FOR_I): Ditto.
13644         (CONST_OK_FOR_J): Ditto.
13645         (CONST_OK_FOR_K): Ditto.
13646         (CONST_OK_FOR_L): Ditto.
13647         (CONST_OK_FOR_M): Ditto.
13648         (CONST_OK_FOR_N): Ditto.
13649         (CONST_DOUBLE_OK_FOR_LETTER_P): Ditto.
13650         (OK_FOR_Q): Ditto.
13651         (OK_FOR_R): Ditto.
13652         (OK_FOR_T): Ditto.
13653         (EXTRA_CONSTRAINT): Ditto.
13654
13655 2007-05-30 Uros Bizjak <ubizjak@gmail.com>
13656
13657         * config/i386/i386.h (MASK_64BIT, MASK_MMX, MASK_3DNOW*, MASK_SSE*):
13658         Remove defines.
13659         * config/i386/biarch.h (TARGET_64BIT_DEFAULT): Define to
13660         OPTION_MASK_ISA_64BIT.
13661         * config/i386/i386.c: Rename MASK_* macros to OPTION_MASK_ISA_*.
13662
13663 2007-05-30  Richard Guenther  <rguenther@suse.de>
13664
13665         PR middle-end/32152
13666         * gimplify.c (gimplify_omp_atomic_pipeline): Use correct
13667         types for comparison.
13668         * fold-const.c (fold_comparison): Call maybe_canonicalize_comparison
13669         with original typed arguments.
13670         * config/i386/i386.c (ix86_gimplify_va_arg): Fix type mismatches.
13671
13672 2007-05-30  Jakub Jelinek  <jakub@redhat.com>
13673
13674         PR tree-optimization/31769
13675         * except.c (duplicate_eh_regions): Clear prev_try if
13676         ERT_MUST_NOT_THROW region is inside of ERT_TRY region.
13677
13678 2007-05-30  Zdenek Dvorak  <dvorakz@suse.cz>
13679
13680         * tree-scalar-evolution.c (scev_const_prop): Do not create labels.
13681         * tree-ssa-sink.c (statement_sink_location): Return basic block and
13682         bsi of the location where statements should be inserted.
13683         (sink_code_in_bb): Take bsi from statement_sink_location.
13684         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use bsi_after_labels
13685         instead of bsi_start.
13686         * tree-profile.c (tree_gen_ic_func_profiler): Pass BSI_NEW_STMT to
13687         bsi_insert_after.
13688         * tree-cfg.c (bsi_move_after): Pass BSI_NEW_STMT to bsi_insert_after.
13689         (bsi_move_before): Document inconsistency with bsi_move_after.
13690         (tree_redirect_edge_and_branch): Do not create labels if not necessary.
13691
13692 2007-05-30 Uros Bizjak <ubizjak@gmail.com>
13693
13694         * config/i386/i386.h (TARGET_ABM): New define.
13695         (TARGET_POPCNT): Ditto.
13696         (TARGET_64BIT, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A, TARGET_SSE*):
13697         New temporary defines to redefine from OPTION_ISA_* defines.
13698         (MASK_64BIT, MASK_MMX, MASK_3DNOW, MASK_3DNOW_A, MASK_SSE*):
13699         New temporary defines to redefine from OPTION_MASK_ISA_* defines.
13700         (ix86_isa_flags): New extern int declaration.
13701         (TARGET_SUBTARGET_DEFAULT): New define.
13702         (TARGET_SUBTARGET_ISA_DEFAULT): Ditto.
13703         (TARGET_SUBTARGET32_DEFAULT): Ditto.
13704         (TARGET_SUBTARGET32_ISA_DEFAULT): Ditto.
13705         (TARGET_SUBTARGET64_ISA_DEFAULT): Ditto.
13706         * config/i386/unix.h: Undef TARGET_SUBTARGET_DEFAULT before define.
13707         * config/i386/darwin.h: Change TARGET_64BIT define to
13708         OPTION_ISA_64BIT.
13709
13710         * config/i386/i386.opt (m3dnowa): Define as undocumented option
13711         using existing "ix86_isa_flags" varible.
13712         (m32, m64): Use existing "ix86_isa_flags" variable.
13713         (mmmx, m3dnow): Ditto.
13714         (msse, msse2, msse3, mssse3, msse4.1, msse4a): Ditto.
13715         (mabm): Define as non-negative option using "x86_abm" variable.
13716         (mpopcnt): Define as non-negative option using "x86_popcnt" variable.
13717
13718         * config/i386/i386.c (ix86_arch_features) [X86_ARCH_CMOVE]:
13719         Rewrite feature test bitmap.
13720         (ix86_isa_flags): New initialized global int varible.
13721         (ix86_isa_flags_explicit): New static int variable.
13722         (ix86_handle_option): Set "ix86_isa_flags_explicit" when mmmx, m3dnow,
13723         msse, msse2, msse3, msse4.1 and msse4a option is processed.  Change
13724         i86_isa_flags and ix86_isa_flags_explicit, not target_flags and
13725         target_flags_explicit.
13726         (override_options): Remove "target_enable" and "target_disable" fields
13727         from "struct ptt". Update processor_target_table accordingly. Remove
13728         PTA_PREFETCH_SSE from processor_alias_table entry if PTE_SSE is
13729         defined and rearrange PTA_* bits.  Use "ix86_isa_flags" instead of
13730         "target_flags" and "ix86_isa_flags_explicit" instead of
13731         "target_flags_explicit" when masked with MASK_64BIT, MASK_MMX,
13732         MASK_3DNOW, MASK_3DNOW_A or MASK_SSE*.  Set "x86_abm" to true when
13733         PTA_ABM is set in processor_alias_table flags entry.  Set "x86_popcnt"
13734         to true when either of PTA_POPCNT or PTA_ABM is set in
13735         processor_alias_table flags entry.  Set "x86_prefetch_sse" to true
13736         when either of PTA_PREFETCH_SSE or PTA_SSE is set in
13737         processor_alias_table flags entry.  Remove handling of
13738         "target_enable" and "target_disable" fields of processor_target_table.
13739         Mask "target_flags" with TARGET_SUBTARGET32_DEFAULT for 32-bit
13740         targets or with TARGET_SUBTARGET64_DEFAULT for 64-bit targets.
13741         Mask "ix86_isa_flags" with TARGET_SUBTARGET32_ISA_DEFAULT for 32-bit
13742         targets or with TARGET_SUBTARGET64_ISA_DEFAULT for 64-bit targets.
13743         (def_builtin): Mask "mask" variable with "ix86_isa_flags", not
13744         "target_flags".
13745         (TARGET_DEFAULT_TARGET_FLAGS): Do not include TARGET_64BIT_DEFAULT.
13746
13747 2007-05-29  David Daney  <ddaney@avtrex.com>
13748
13749         PR gcc/31975
13750         * config/mips/mips.c (mips_output_mi_thunk): Emit
13751         NOTE_INSN_PROLOGUE_END at beginning of the thunk.
13752
13753 2007-05-29  Hui-May Chang  <hm.chang@apple.com>
13754         * config/i386/i386.c (ix86_function_regparm): Added checking of
13755         ix86_force_align_arg_pointer to determine the number of
13756         register parameters.
13757
13758 2007-05-29  Zdenek Dvorak  <dvorakz@suse.cz>
13759
13760         * tree-vectorizer.h (DR_MISALIGNMENT): Cast aux to integer.
13761         (SET_DR_MISALIGNMENT): New.
13762         * tree-vect-analyze.c (vect_compute_data_ref_alignment,
13763         vect_update_misalignment_for_peel, vect_enhance_data_refs_alignment):
13764         Use SET_DR_MISALIGNMENT.
13765         * tree-predcom.c (split_data_refs_to_components): Cast dr->aux from
13766         pointer.
13767         * tree-data-ref.c (create_data_ref, compute_all_dependences,
13768         find_loop_nest): Export.
13769         * tree-data-ref.h (struct data_reference): Change aux field to pointer.
13770         (create_data_ref, compute_all_dependences, find_loop_nest): Declare.
13771         * tree-ssa-loop-prefetch.c: Include tree-data-ref.h.
13772         (L1_CACHE_SIZE_BYTES, L2_CACHE_SIZE_BYTES, NONTEMPORAL_FRACTION):
13773         New macros.
13774         (struct mem_ref): Add field reuse_distance.
13775         (find_or_create_group, record_ref): Use XNEW instead of xcalloc.
13776         Initialize reuse_distance field.
13777         (issue_prefetch_ref): Select temporality of prefetch according to
13778         reuse_distance.
13779         (volume_of_references, volume_of_dist_vector, add_subscript_strides,
13780         self_reuse_distance, determine_loop_nest_reuse): New functions.
13781         (loop_prefetch_arrays): Call determine_loop_nest_reuse.
13782         (tree_ssa_prefetch_arrays): Dump L2 cache size.
13783         * Makefile.in (tree-ssa-loop-prefetch.o): Add TREE_DATA_REF_H
13784         dependency.
13785
13786 2007-05-29  Daniel Berlin  <dberlin@dberlin.org>
13787
13788         * tree-ssa-alias.c: Add aliasing overview.
13789
13790 2007-05-29  Zuxy Meng  <zuxy.meng@gmail.com>
13791             Danny Smith  <dannysmith@users.sourceforge.net>
13792
13793         PR target/29498
13794         * config/i386/t-crtfm: Compile crtfastmath.o with
13795         -minline-all-stringops.
13796         * config/i386/cygwin.h (ENDFILE_SPECS): Add crtfastmath.o.
13797         * config/i386/mingw32.h (ENDFILE_SPECS): Add crtfastmath.o.
13798
13799 2007-05-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13800
13801         * doc/md.texi: Document constraints on HP PA-RISC.
13802
13803         * pa/constraints.md: New file.
13804         * pa.md: Include constraints.md.
13805         * pa.c (cint_ok_for_move): Avoid using CONST_OK_FOR_LETTER_P.
13806         (integer_store_memory_operand, ldil_cint_p): New functions.
13807         * pa-protos.h (integer_store_memory_operand, ldil_cint_p): Declare.
13808         * pa.h (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
13809         IS_RELOADING_PSEUDO_P, EXTRA_CONSTRAINT): Remove.
13810         * pa32-regs.h (REG_CLASS_FROM_LETTER): Remove.
13811         * pa64-regs.h (REG_CLASS_FROM_LETTER): Remove.
13812
13813 2007-05-28  Andrew Pinski  <Andrew_pinski@playstation.sony.com>
13814
13815         PR c/31339
13816         * c-typeck.c (build_unary_op <case PREINCREMENT_EXPR,
13817         case POSTINCREMENT_EXPR, case PREDECREMENT_EXPR,
13818         case POSTDECREMENT_EXPR>): Return the error_mark_node
13819         if either the real or imaginary parts would an
13820         error_mark_node.
13821
13822 2007-05-28  Daniel Berlin  <dberlin@dberlin.org>
13823
13824         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Release LHS SSA
13825         name when we remove it from a call.
13826
13827 2007-05-28  Kazu Hirata  <kazu@codesourcery.com>
13828
13829         * targhooks.c (default_narrow_bitfield): Remove.
13830         * targhooks.h: Remove the prototype for
13831         default_narrow_bitfield.
13832
13833         * langhooks-def.h: Remove the prototype for
13834         hook_get_alias_set_0.
13835         * langhooks.c (hook_get_alias_set_0): Remove.
13836
13837         * global.c (EXECUTE_IF_CONFLICT): Remove.
13838
13839 2007-05-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
13840
13841         PR tree-opt/32100
13842         * fold-const.c (tree_expr_nonnegative_warnv_p): Don't
13843         return true when truth_value_p is true and the type
13844         is of signed:1.
13845
13846 2007-05-28  Gerald Pfeifer  <gerald@pfeifer.com>
13847
13848         * doc/install.texi (Prerequisites): We no longer require Autoconf
13849         2.13 for the top-level.
13850
13851 2007-05-28  Uros Bizjak  <ubizjak@gmail.com>
13852
13853         * target/i386/i386.c (ix86_expand_vector_move): Expand unaligned
13854         memory access via x86_expand_vector_move_misalign() only for
13855         TImode values on 32-bit targets.
13856
13857 2007-05-28  Razya Ladelsky  <razya@il.ibm.com>
13858
13859         * matrix-reorg.c: New file. Implement matrix flattening and
13860         transposing optimization.
13861         * tree-pass.h: Add matrix reorg pass.
13862         * common.opt: Add fipa-mreorg flag.
13863         * Makefile.in: Add matrix-reorg.c.
13864         * passes.c: Add matrix reorg pass.
13865         * varpool.c (add_new_static_var): New function.
13866         * cgraph.h (add_new_static_var): Declare.
13867
13868 2007-05-27  Eric Christopher  <echristo@apple.com>
13869
13870         * config/rs6000/rs6000.c (rs6000_emit_prologue): Update
13871         sp_offset depending on stack size. Save r12 depending
13872         on registers we're saving later.
13873         (rs6000_emit_epilogue): Update sp_offset depending only
13874         on stack size.
13875
13876 2007-05-27  Zdenek Dvorak  <dvorakz@suse.cz>
13877
13878         * tree-vrp.c (execute_vrp): Do not check whether current_loops == NULL.
13879         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
13880         * ifcvt.c (if_convert): Ditto.
13881         * tree-ssa-threadupdate.c (thread_block): Ditto.
13882         (thread_through_all_blocks): Ditto.  Assert that loops were analysed.
13883         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa,
13884         verify_loop_closed_ssa): Check number_of_loops instead of
13885         current_loops.
13886         * predict.c (tree_estimate_probability): Ditto.
13887         * tree-if-conv.c (main_tree_if_conversion): Ditto.
13888         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13889         * modulo-sched.c (sms_schedule): Ditto.
13890         * tree-scalar-evolution.c (scev_const_prop): Ditto.
13891         (scev_finalize): Do not do anything if scev analysis was not
13892         initialized.
13893         * cfgloopanal.c (mark_irreducible_loops): Do not check whether
13894         current_loops == NULL.
13895         (mark_loop_exit_edges): Check number_of_loops instead of current_loops.
13896         * loop-init.c (loop_optimizer_init): Do not free current_loops when
13897         there are no loops.
13898         (loop_optimizer_finalize): Assert that loops were analyzed.
13899         (rtl_move_loop_invariants, rtl_unswitch, rtl_unroll_and_peel_loops,
13900         rtl_doloop): Check number_of_loops instead of current_loops.
13901         * tree-ssa-loop.c (tree_loop_optimizer_init): Do not check whether
13902         current_loops == NULL.
13903         (tree_ssa_loop_init, tree_ssa_loop_im, tree_ssa_loop_unswitch,
13904         gate_tree_vectorize tree_linear_transform, check_data_deps,
13905         tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
13906         tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts):
13907         Check number_of_loops instead of current_loops.
13908         (tree_ssa_loop_done): Do not check whether current_loops == NULL.
13909         * tree-ssa-pre.c (fini_pre): Do not take do_fre argument.  Always
13910         free loops if available.
13911         (execute_pre): Do not pass do_fre to fini_pre.
13912
13913 2007-05-27  Tobias Burnus  <burnus@net-b.de>
13914
13915         PR middle-end/32083
13916         * real.c (mpfr_from_real): Fix sign of -Inf.
13917
13918 2007-05-27  H.J. Lu  <hongjiu.lu@intel.com>
13919
13920         * tree-vect-transform.c (vectorizable_conversion): Initialize
13921         tree_code variables to ERROR_MARK.
13922         (vectorizable_type_demotion): Likewise.
13923         (vectorizable_type_promotion): Likewise.
13924
13925 2007-05-26  Uros Bizjak  <ubizjak@gmail.com>
13926
13927         PR target/32065
13928         * config/i386/i386.md (movti): Handle push operands via
13929         ix86_expand_push().
13930
13931 2007-05-26  Kazu Hirata  <kazu@codesourcery.com>
13932
13933         * basic-block.h: Remove the prototype for merge_seq_blocks.
13934         * cfgcleanup.c (merge_seq_blocks): Remove.
13935
13936         * tree-flow.h: Remove the prototype for is_aliased_with.
13937         * tree-ssa-alias.c (is_aliased_with): Remove.
13938
13939 2007-05-26  H.J. Lu  <hongjiu.lu@intel.com>
13940
13941         * config/i386/i386-protos.h (ix86_expand_sse4_unpack): New.
13942
13943         * config/i386/i386.c (ix86_expand_sse4_unpack): New.
13944
13945         * config/i386/sse.md (vec_unpacku_hi_v16qi): Call
13946         ix86_expand_sse4_unpack if SSE4.1 is enabled.
13947         (vec_unpacks_hi_v16qi): Likewise.
13948         (vec_unpacku_lo_v16qi): Likewise.
13949         (vec_unpacks_lo_v16qi): Likewise.
13950         (vec_unpacku_hi_v8hi): Likewise.
13951         (vec_unpacks_hi_v8hi): Likewise.
13952         (vec_unpacku_lo_v8hi): Likewise.
13953         (vec_unpacks_lo_v8hi): Likewise.
13954         (vec_unpacku_hi_v4si): Likewise.
13955         (vec_unpacks_hi_v4si): Likewise.
13956         (vec_unpacku_lo_v4si): Likewise.
13957         (vec_unpacks_lo_v4si): Likewise.
13958
13959 2007-05-26  Kazu Hirata  <kazu@codesourcery.com>
13960
13961         * c-typeck.c, config/arm/arm.c, config/darwin.c,
13962         config/sh/symbian.c, gcc.c, ipa-cp.c, ipa-inline.c, loop-iv.c,
13963         omega.c, tree-ssa-loop-niter.c, treestruct.def: Fix typos and
13964         follow spelling conventions in various
13965         warning/error/diagnostic messages.
13966
13967         * config/i386/i386.c, config/pa/pa.c, config/spu/spu.c,
13968         df-problems.c, df-scan.c, domwalk.c, ebitmap.c, ebitmap.h,
13969         fold-const.c, gcc.c, ipa-type-escape.c, omega.c, omega.h,
13970         tree-ssa-coalesce.c, tree-ssa-live.c, tree-ssa-structalias.c,
13971         tree-vrp.c: Fix comment typos.  Follow spelling conventions.
13972         * doc/tm.texi: Follow spelling conventions.
13973
13974 2007-05-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
13975
13976         PR tree-opt/32090
13977         * tree-ssa-forwprop.c
13978         (forward_propagate_addr_into_variable_array_index): Remove
13979         the lhs argument.  Use the type of def_rhs instead of lhs.
13980         (forward_propagate_addr_expr_1): Update use of
13981         forward_propagate_addr_into_variable_array_index.
13982
13983 2007-05-25  Sandra Loosemore  <sandra@codesourcery.com>
13984             Nigel Stephens  <nigel@mips.com>
13985
13986         * config/mips/mips.c (mips_attribute_table): Add "near" and "far"
13987         function attributes, "far" being an alias for "long_call".
13988         (TARGET_COMP_TYPE_ATTRIBUTES): Define as mips_comp_type_attributes.
13989         (mips_near_type_p, mips_far_type_p): New.
13990         (mips_comp_type_attributes): New function to check that attributes
13991         attached to a function type are compatible.
13992         (mips_output_mi_thunk): Test SYMBOL_REF_LONG_CALL_P() rather than
13993         TARGET_LONG_CALLS when deciding whether we can do a direct sibcall
13994         to the target function of the thunk.
13995         (mips_encode_section_info): Check for "near" and "far" function
13996         attributes, and always set the SYMBOL_FLAG_LONG_CALL bit explicitly.
13997
13998         * config/mips/predicates.md (const_call_insn_operand): Test only
13999         SYMBOL_REF_LONG_CALL_P() and not TARGET_LONG_CALLS.
14000
14001         * doc/extend.texi (Function Attributes): Document MIPS "near" and
14002         "far" attributes.
14003
14004         * testsuite/gcc.target/mips/near-far-1.c: New test case.
14005         * testsuite/gcc.target/mips/near-far-2.c: New test case.
14006         * testsuite/gcc.target/mips/near-far-3.c: New test case.
14007         * testsuite/gcc.target/mips/near-far-4.c: New test case.
14008
14009 2007-05-25  Eric Christopher  <echristo@apple.com>
14010
14011         * config.gcc: Add i386/t-fprules-softfp64 and soft-fp/t-softfp
14012         to x86-darwin configurations.
14013         * config/i386/t-darwin: Add softfp support.
14014         * config/i386/t-darwin64: Ditto.
14015         * config/i386/sfp-machine.h: If mach then don't use
14016         aliasing, emit a stub to call.
14017
14018 2007-05-25  Kazu Hirata  <kazu@codesourcery.com>
14019
14020         * cfglayout.c, cgraphunit.c, config/avr/avr.c, fold-const.c,
14021         haifa-sched.c, optabs.h, tree-affine.c, tree-data-ref.c,
14022         tree-predcom.c, tree-ssa-alias-warnings.c,
14023         tree-ssa-forwprop.c, tree-vect-analyze.c, tree-vrp.c: Fix
14024         comment typos.  Follow spelling conventions.
14025         * doc/cpp.texi, doc/invoke.texi: Fix typos.
14026
14027 2007-05-26  Uros Bizjak  <ubizjak@gmail.com>
14028
14029         PR target/32065
14030         * target/i386/i386.c (ix86_expand_vector_move): Force SUBREGs of
14031         constants into memory.  Expand unaligned memory references for
14032         SSE modes via x86_expand_vector_move_misalign() function.
14033
14034 2007-05-25  Uros Bizjak  <ubizjak@gmail.com>
14035
14036         * config/i386/sse.md (*vec_extractv2di_1_sse2): Do not calculate
14037         "memory" attribute for "sseishft" type insn without operands[2].
14038
14039 2007-05-25  Dirk Mueller  <dmueller@suse.de>
14040             Marcus Meissner <meissner@suse.de>
14041
14042         * doc/extend.texi (alloc_size): New attribute.
14043         * c-common.c (handle_alloc_size_attribute): New.
14044         * tree-object-size.c (alloc_object_size): Use alloc_size
14045         attribute, if available.
14046
14047 2007-05-25  H.J. Lu  <hongjiu.lu@intel.com>
14048
14049         * config/i386/i386.c (__builtin_ia32_vec_ext_v2df): Mark it
14050         with MASK_SSE2.
14051         (__builtin_ia32_vec_ext_v2di): Likewise.
14052         (__builtin_ia32_vec_ext_v4si): Likewise.
14053         (__builtin_ia32_vec_ext_v8hi): Likewise.
14054         (__builtin_ia32_vec_ext_v16qi): Likewise.
14055         (__builtin_ia32_vec_set_v8hi): Likewise.
14056
14057 2007-05-25  H.J. Lu  <hongjiu.lu@intel.com>
14058
14059         * config/i386/sse.md (*vec_extractv2di_1_sse2): Correct shift.
14060
14061 2007-05-25  Richard Sandiford  <richard@codesourcery.com>
14062
14063         * config/arm/arm-protos.h (arm_encode_call_attribute): Delete.
14064         (arm_is_longcall_p): Rename to...
14065         (arm_is_long_call_p): ...this.  Take a single tree argument and
14066         return a bool.
14067         * config/arm/arm.h (CALL_SHORT, CALL_LONG, CALL_NORMAL): Delete.
14068         (CUMULATIVE_ARGS): Remove call_cookie.
14069         (SHORT_CALL_FLAG_CHAR, LONG_CALL_FLAG_CHAR, ENCODED_SHORT_CALL_ATTR_P)
14070         (ENCODED_LONG_CALL_ATTR_P): Delete.
14071         (ARM_NAME_ENCODING_LENGTHS): Remove SHORT_CALL_FLAG_CHAR and
14072         LONG_CALL_FLAG_CHAR cases.
14073         (ARM_DECLARE_FUNCTION_SIZE): Delete.
14074         * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Don't use
14075         ARM_DECLARE_FUNCTION_SIZE.
14076         * config/arm/arm.c (arm_init_cumulative_args): Don't set call_cookie.
14077         (arm_function_arg): Return const0_rtx for VOIDmode arguments.
14078         (arm_encode_call_attribute, current_file_function_operand): Delete.
14079         (arm_function_in_section_p): New function.
14080         (arm_is_longcall_p): Rename to...
14081         (arm_is_long_call_p): ...this.  Take the target function as a single
14082         argument and return a bool.  Do not rely on call cookies.  Check
14083         whether the target symbol is in the same section as the current
14084         function, not just the same compilation unit.
14085         (arm_function_ok_for_sibcall): Use arm_is_long_call_p.
14086         (arm_encode_section_info): Don't encode a call type.
14087         * config/arm/arm.md (call, call_value): Update calls to
14088         arm_is_long(_)call_p.  Simplify logic.
14089         (*call_symbol, *call_value_symbol, *call_insn, *call_value_insn):
14090         Update calls to arm_is_long(_)call_p.
14091
14092 2007-05-25  Richard Guenther  <rguenther@suse.de>
14093
14094         PR tree-optimization/31982
14095         * tree-ssa-forwprop.c
14096         (forward_propagate_addr_into_variable_array_index): Handle arrays
14097         with element size one.
14098
14099 2007-05-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
14100
14101         * config/spu/spu.md (smulsi3_highpart): Unshare the rtl chain.
14102         (umulsi3_highpart): Likewise.
14103
14104 2007-05-24  Ian Lance Taylor  <iant@google.com>
14105
14106         PR rtl-optimization/32069
14107         * regclass.c (regclass): Don't crash if the entry in regno_reg_rtx
14108         is NULL.
14109
14110 2007-05-24  Ollie Wild  <aaw@google.com>
14111
14112         * doc/cpp.texi (Common Predefined Macros): Add __COUNTER__
14113         description.
14114
14115 2007-05-24  Richard Sandiford  <rsandifo@nildram.co.uk>
14116
14117         * postreload-gcse.c (reg_changed_after_insn_p): New function.
14118         (oprs_unchanged_p): Use it to check all registers in a REG.
14119         (record_opr_changes): Look for clobbers in CALL_INSN_FUNCTION_USAGE.
14120         (reg_set_between_after_reload_p): Delete.
14121         (reg_used_between_after_reload_p): Likewise.
14122         (reg_set_or_used_since_bb_start): Likewise.
14123         (eliminate_partially_redundant_load): Use reg_changed_after_insn_p
14124         and reg_used_between_p instead of reg_set_or_used_since_bb_start.
14125         Use reg_set_between_p instead of reg_set_between_after_reload_p.
14126         * rtlanal.c (reg_set_p): Check whether REG overlaps
14127         regs_invalidated_by_call, rather than just checking the
14128         membership of REGNO (REG).
14129
14130 2007-05-24  Zdenek Dvorak  <dvorakz@suse.cz>
14131
14132         * doc/passes.texi: Document predictive commoning.
14133         * doc/invoke.texi (-fpredictive-commoning): Document.
14134         * opts.c (decode_options): Enable flag_predictive_commoning on -O3.
14135         * tree-ssa-loop-im.c (get_lsm_tmp_name): Export.  Allow
14136         adding indices to the generated name.
14137         (schedule_sm): Pass 0 to get_lsm_tmp_name.
14138         * tree-ssa-loop-niter.c (stmt_dominates_stmt_p): Export.
14139         * tree-pretty-print.c (op_symbol_1): Renamed to ...
14140         (op_symbol_code): ... and exported.
14141         (dump_omp_clause, op_symbol): Use op_symbol_code
14142         instead of op_symbol_1.
14143         * tree-pass.h (pass_predcom): Declare.
14144         * timevar.def (TV_PREDCOM): New timevar.
14145         * tree-ssa-loop.c (run_tree_predictive_commoning,
14146         gate_tree_predictive_commoning, pass_predcom): New.
14147         * tree-data-ref.c (find_data_references_in_loop): Find the
14148         references in dominance order.
14149         (canonicalize_base_object_address): Ensure that the result has
14150         pointer type.
14151         (dr_analyze_innermost): Export.
14152         (create_data_ref): Code to fail for references with invariant
14153         address moved ...
14154         (find_data_references_in_stmt): ... here.
14155         * tree-data-ref.h (dr_analyze_innermost): Declare.
14156         * tree-affine.c: Include tree-gimple.h and hashtab.h.
14157         (aff_combination_find_elt, name_expansion_hash,
14158         name_expansion_eq, tree_to_aff_combination_expand,
14159         double_int_constant_multiple_p, aff_combination_constant_multiple_p):
14160         New functions.
14161         * tree-affine.h (aff_combination_constant_multiple_p,
14162         tree_to_aff_combination_expand): Declare.
14163         * tree-predcom.c: New file.
14164         * common.opt (fpredictive-commoning): New option.
14165         * tree-flow.h (op_symbol_code, tree_predictive_commoning,
14166         stmt_dominates_stmt_p, get_lsm_tmp_name): Declare.
14167         * Makefile.in (tree-predcom.o): Add.
14168         (tree-affine.o): Add TREE_GIMPLE_H dependency.
14169         * passes.c (init_optimization_passes): Add dceloop after
14170         copy propagation in loop optimizer.  Add predictive commoning
14171         to loop optimizer passes.
14172
14173 2007-05-24  H.J. Lu  <hongjiu.lu@intel.com>
14174
14175         * target-def.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Correct
14176         default hook.
14177
14178 2007-05-24  Jan Hubicka  <jh@suse.cz>
14179
14180         * gengenrtl.c (gendecl, gendef): Output the gens annotated for
14181         statistics.
14182         (genheader): Include statistics.h.
14183
14184         * doc/invoke.texi (-fdump-unnumbered): Update docs when line number
14185         notes are gone.
14186         * print-rtl.c (flag_dump_unnumbered): Update comments.
14187         (print_rtl): Fix my previous change.
14188         * emit-rtl.c (emit_note_before, emit_note_after): Clear out note
14189         specific data.
14190
14191 2007-05-24  Zdenek Dvorak  <dvorakz@suse.cz>
14192
14193         PR middle-end/32018
14194         * tree-ssa-threadupdate.c (thread_through_loop_header): Use
14195         set_loop_copy.
14196         (thread_through_all_blocks): Call initialize_original_copy_tables
14197         and free_original_copy_tables.
14198         * cfgloopmanip.c (duplicate_loop, duplicate_loop_to_header_edge):
14199         Use set_loop_copy.
14200         * tree-cfg.c (tree_duplicate_sese_region): Ditto.
14201         * cfghooks.c (duplicate_block): Use get_loop_copy.
14202         * cfg.c: Include cfgloop.h.
14203         (loop_copy): New hash table.
14204         (initialize_original_copy_tables): Initialize loop_copy table.
14205         (free_original_copy_tables): Free loop_copy table.
14206         (copy_original_table_clear, copy_original_table_set,
14207         set_loop_copy, get_loop_copy): New functions.
14208         (set_bb_original, set_bb_copy): Use copy_original_table_set.
14209         * cfgloop.h (struct loop): Remove copy field.
14210         * Makefile.in (cfg.o): Add CFGLOOP_H dependency.
14211         * basic-block.h (set_loop_copy, get_loop_copy): Declare.
14212
14213 2007-05-24  H.J. Lu  <hongjiu.lu@intel.com>
14214
14215         * config/i386/i386.c (ix86_handle_option): Handle SSE4.1 for
14216         -msse/-msse2/-msse3.
14217
14218 2007-05-24  H.J. Lu  <hongjiu.lu@intel.com>
14219
14220         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Mark
14221         __builtin_ia32_vec_set_v2di with MASK_64BIT.
14222
14223 2007-05-24  Danny Smith  <dannysmith@users.sourceforge.net>
14224
14225         PR target/27067
14226         * doc/tm.texi (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Document.
14227         * targhooks.h (default_mangle_decl_assembler_name): Declare
14228         default hook.
14229         * targhooks.c (default_mangle_decl_assembler_name): Define
14230         default hook.
14231         * target-def.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME) New. Set to
14232         default hook.
14233         * target.h (struct gcc_target): Add mangle_decl_assembler_name field.
14234         * langhooks.c (lhd_set_decl_assembler_name): Call
14235         targetm.mangle_decl_assembler_name for names with global scope.
14236
14237         * config/i386/cygming.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME) Override
14238         default.
14239         (ASM_OUTPUT_DEF_FROM_DECLS): Simplify to use DECL_ASSEMBLER_NAME.
14240         * config/i386/i386-protos.h (i386_pe_mangle_decl_assembler_name):
14241         Declare.
14242         * config/i386/winnt.c (i386_pe_maybe_mangle_decl_assembler_name):
14243         New. Factored out of i386_pe_encode_section_info.
14244         (gen_stdcall_or_fastcall_suffix): Get name identifier as argument.
14245         Move check for prior decoration of stdcall
14246         symbols to i386_pe_encode_section_info.
14247         (i386_pe_encode_section_info): Adjust call to
14248         gen_stdcall_or_fastcall_suffix.  Use
14249         i386_pe_maybe_mangle_decl_assembler_name, if needed.
14250         (i386_pe_mangle_decl_assembler_name): New. Wrap
14251         i386_pe_maybe_mangle_decl_assembler_name.
14252
14253 2007-05-16  Rafael Avila de Espindola  <espindola@google.com>
14254
14255         * c-common.c (c_common_signed_or_unsigned_type): Delay the check for
14256         INTEGRAL_TYPE_P and TYPE_UNSIGNED.
14257         * langhooks.c (get_signed_or_unsigned_type): Don't check for
14258         INTEGRAL_TYPE_P or TYPE_UNSIGNED.
14259         (lhd_signed_or_unsigned_type): Check for INTEGRAL_TYPE_P and
14260         TYPE_UNSIGNED.
14261
14262 2007-05-23  Sandra Loosemore  <sandra@codesourcery.com>
14263             Nigel Stephens  <nigel@mips.com>
14264             Richard Sandiford  <richard@codesourcery.com>
14265
14266         Fix up MIPS16 hard float and add support for complex.
14267
14268         * config/mips/mips.h (TARGET_HARD_FLOAT_ABI): New.
14269         (TARGET_SOFT_FLOAT_ABI): New.
14270         (TARGET_CPU_CPP_BUILTINS): Define __mips_hard_float and
14271         __mips_soft_float to reflect the ABI in use, not whether the
14272         FPU is directly accessible (e.g., in MIPS16 mode).
14273         (UNITS_PER_HWFPVALUE): Use TARGET_SOFT_FLOAT_ABI.
14274         (UNITS_PER_FPVALUE): Likewise.
14275
14276         * config/mips/mips.c (mips_expand_call): Remove redundant
14277         TARGET_MIPS16 check.
14278         (mips_arg_regno): New.
14279         (function_arg_advance): When setting bits in cum->fp_code for
14280         MIPS16, don't subtract 1 from cum->arg_number, since it is now
14281         zero-based.
14282         (function_arg): Use mips_arg_regno.
14283         (mips_return_mode_in_fpr_p): New.
14284         (mips16_call_stub_mode_suffix): New.
14285         (mips16_cfun_returns_in_fpr_p): New.
14286         (mips_save_reg_p): Use mips16_cfun_returns_in_fpr_p.
14287         (mips_output_function_prologue): Test mips16_hard_float, not
14288         !TARGET_SOFT_FLOAT, to decide when a function stub is required.
14289         (mips_expand_epilogue): Call MIPS16 helper routines to copy
14290         return value into a floating-point register.
14291         (mips_can_use_return_insn): Use mips16_cfun_returns_in_fpr_p.
14292         (mips_function_value): Rewrite to use mips_return_mode_in_fpr_p.
14293         (mips16_fp_args): Handle MIPS32r2 ISA which supports
14294         TARGET_FLOAT64, and use mfhc1/mthc1 to copy the most significant
14295         word of double arguments from or to the high bits of 64-bit
14296         floating point registers.
14297         (build_mips16_function_stub): Fill in DECL_RESULT for stubdecl.
14298         (mips16_fpret_double): New helper function.
14299         (build_mips16_call_stub): Use mips16_return_mode_in_fpr_p.  Add
14300         support for complex modes.  Fill in DECL_RESULT for stubdecl.
14301         (mips_init_libfuncs): Remove redundant TARGET_MIPS16 check.
14302
14303         * config/mips/mips16.S
14304         (RET, ARG1, ARG2): New.
14305         (MERGE_GPRf, MERGE_GPRt): New.
14306         (DELAYt, DELAYf): New.
14307         (MOVE_SF_BYTE0, MOVE_SI_BYTE0): New.
14308         (MOVE_SF_BYTE4, MOVE_SF_BYTE8): New.
14309         (MOVE_DF_BYTE0, MOVE_DF_BYTE8): New.
14310         (MOVE_SF_RET, MOVE_SC_RET, MOVE_DF_RET, MOVE_DC_RET, MOVE_SI_RET): New.
14311         (SFOP): Renamed to...
14312         (OPSF3): This, and macro-ified.  Updated all uses.
14313         (SFOP2): Renamed to...
14314         (OPSF2): This, and macro-ified.  Updated all uses.
14315         (SFCMP): Renamed to...
14316         (CMPSF): This, and macro-ified.  Updated all uses.
14317         (SFREVCMP): Renamed to...
14318         (REVCMPSF): This, and macro-ified.  Updated all uses.
14319         (__mips16_floatsisf, __mips16_fix_truncsfsi): Macro-ified.
14320         (LDDBL1, LDDBL2, RETDBL): Deleted.
14321         (DFOP): Renamed to...
14322         (OPDF3): This, and macro-ified.  Updated all uses.
14323         (DFOP2): Renamed to...
14324         (OPDF2): This, and macro-ified.  Updated all uses.
14325         (__mips16_extendsfdf2, __mips16_truncdfsf2): Macro-ified.
14326         (DFCMP): Renamed to...
14327         (CMPDF): This, and macro-ified.  Updated all uses.
14328         (DFREVCMP): Renamed to...
14329         (REVCMPDF): This, and macro-ified.  Updated all uses.
14330         (__mips16_floatsidf, __mips16_fix_truncdfsi): Macro-ified.
14331         (RET_FUNCTION): New.
14332         (__mips16_ret_sf, __mips16_ret_df): Macro-ified.
14333         (__mips16_ret_sc, __mips16_ret_dc): New.
14334         (STUB_ARGS_0, STUB_ARGS_1, STUB_ARGS_5, STUB_ARGS_9, STUB_ARGS_2,
14335         STUB_ARGS_6, STUB_ARGS_10): New.
14336         (CALL_STUB_NO_RET): New.
14337         (__mips16_call_stub_1): Macro-ified.
14338         (__mips16_call_stub_5): Macro-ified.
14339         (__mips16_call_stub_2): Macro-ified.
14340         (__mips16_call_stub_6): Macro-ified.
14341         (__mips16_call_stub_9): Macro-ified.
14342         (__mips16_call_stub_10): Macro-ified.
14343         (CALL_STUB_RET): New.
14344         (__mips16_call_stub_sf_0): Macro-ified.
14345         (__mips16_call_stub_sf_1): Macro-ified.
14346         (__mips16_call_stub_sf_5): Macro-ified.
14347         (__mips16_call_stub_sf_2): Macro-ified.
14348         (__mips16_call_stub_sf_6): Macro-ified.
14349         (__mips16_call_stub_sf_9): Macro-ified.
14350         (__mips16_call_stub_sf_10): Macro-ified.
14351         (__mips16_call_stub_df_0): Macro-ified.
14352         (__mips16_call_stub_df_1): Macro-ified.
14353         (__mips16_call_stub_df_5): Macro-ified.
14354         (__mips16_call_stub_df_2): Macro-ified.
14355         (__mips16_call_stub_df_6): Macro-ified.
14356         (__mips16_call_stub_df_9): Macro-ified.
14357         (__mips16_call_stub_df_10): Macro-ified.
14358         (__mips16_call_stub_sc_0): New.
14359         (__mips16_call_stub_sc_1): New.
14360         (__mips16_call_stub_sc_5): New.
14361         (__mips16_call_stub_sc_2): New.
14362         (__mips16_call_stub_sc_6): New.
14363         (__mips16_call_stub_sc_9): New.
14364         (__mips16_call_stub_sc_10): New.
14365         (__mips16_call_stub_dc_0): New.
14366         (__mips16_call_stub_dc_1): New.
14367         (__mips16_call_stub_dc_5): New.
14368         (__mips16_call_stub_dc_2): New.
14369         (__mips16_call_stub_dc_6): New.
14370         (__mips16_call_stub_dc_9): New.
14371         (__mips16_call_stub_dc_10): New.
14372
14373         * config/mips/t-elf (LIB1ASMFUNCS): Add MIPS16 floating-point stubs.
14374         * config/mips/t-isa3264 (LIB1ASMFUNCS): Likewise.
14375         * config/mips/t-r2900 (LIB1ASMFUNCS): Likewise.
14376
14377 2007-05-23  Ian Lance Taylor  <iant@google.com>
14378
14379         * doc/invoke.texi (Invoking GCC): Document that the order of the
14380         -l option matters.
14381
14382 2007-05-23  Chen Liqin  <liqin@sunnorth.com.cn>
14383
14384         PR target/30987
14385         * config/score/misc.md (bitclr_c, bitset_c, bittgl_c): Remove.
14386         * config/score/predicate.md (const_pow2, const_npow2): Remove.
14387         * config/score/score.h (ASM_OUTPUT_EXTERNAL): Add ASM_OUTPUT_EXTERNAL
14388         undef.
14389
14390         PR target/30474
14391         * config/score/score.c (score_print_operand): Make sure that only
14392         lower bits are used.
14393
14394 2007-05-22  Ian Lance Taylor  <iant@google.com>
14395
14396         * tree-vrp.c (avoid_overflow_infinity): New static function,
14397         broken out of set_value_range_to_value.
14398         (set_value_range_to_value): Call avoid_overflow_infinity.
14399         (extract_range_from_assert): Likewise.
14400
14401 2007-05-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
14402
14403         PR middle-end/31095
14404          * builtins.c (expand_builtin_memmove_args): Strip nops that don't
14405         change the type before looking for a COMPOUND_EXPR.
14406
14407 2007-05-22  Ian Lance Taylor  <iant@google.com>
14408
14409         * lower-subreg.c (decompose_multiword_subregs): If we change an
14410         insn, call remove_retval_note on it.
14411
14412 2007-05-22  Richard Sandiford  <rsandifo@nildram.co.uk>
14413
14414         * regs.h (end_hard_regno): New function.
14415         (END_HARD_REGNO, END_REGNO): New macros.
14416         (add_to_hard_reg_set): New function.
14417         (remove_from_hard_reg_set): Likewise.
14418         (in_hard_reg_set_p): Likewise.
14419         (overlaps_hard_reg_set_p): Likewise.
14420         * bt-load.c (find_btr_reference): Use overlaps_hard_reg_set_p.
14421         (note_btr_set): Use END_HARD_REGNO.
14422         * caller-save.c (setup_save_areas): Use end_hard_regno.
14423         (mark_set_regs): Use END_HARD_REGNO.
14424         (add_stored_regs): Use end_hard_regno.
14425         (mark_referenced_regs): Use add_to_hard_reg_set.
14426         * combine.c (update_table_tick): Use END_REGNO.
14427         (record_value_for_reg): Likewise.
14428         (record_dead_and_set_regs): Likewise.
14429         (get_last_value_validate): Likewise.
14430         (use_crosses_set_p): Likewise.
14431         (reg_dead_at_p_1): Likewise.
14432         (reg_dead_at_p): Likewise.
14433         (mark_used_regs_combine): Use add_to_hard_reg_set.
14434         (move_deaths): Use END_HARD_REGNO.
14435         (reg_bitfield_target_p): Use end_hard_regno.
14436         (distribute_notes): Use END_HARD_REGNO.
14437         * cse.c (mention_regs): Use END_REGNO.
14438         (insert): Use add_to_hard_reg_set.
14439         (invalidate): Use END_HARD_REGNO.
14440         (invalidate_for_call): Likewise.
14441         (exp_equiv_p): Use END_REGNO.
14442         (cse_insn): Likewise.
14443         * cselib.c (cselib_invalidate_regno): Use end_hard_regno.
14444         * df-problems.c (df_urec_mark_reg_change): Use END_HARD_REGNO.
14445         * df-scan.c (df_ref_record): Use END_HARD_REGNO.
14446         * function.c (keep_stack_depressed): Use end_hard_regno.
14447         * global.c (global_alloc): Use end_hard_regno.
14448         (global_conflicts): Use add_to_hard_reg_set instead of
14449         mark_reg_live_nc.
14450         (find_reg): Likewise.
14451         (mark_reg_store): Likewise.
14452         (mark_reg_conflicts): Likewise.
14453         (mark_reg_death): Use remove_from_hard_reg_set.
14454         (mark_reg_live_nc): Delete.
14455         (set_preference): Use end_hard_regno.
14456         * local-alloc.c (mark_life): Use add_to_hard_reg_set and
14457         remove_from_hard_reg_set.
14458         (post_mark_life): Use add_to_hard_reg_set.
14459         * mode-switching.c (reg_dies): Use remove_from_hard_reg_set.
14460         (reg_becomes_live): Use add_to_hard_reg_set.
14461         * recog.c (reg_fits_class_p): Use in_hard_reg_set_p.
14462         (peep2_find_free_register): Use add_to_hard_reg_set.
14463         * reg-stack.c (convert_regs_exit): Use END_HARD_REGNO.
14464         * regclass.c (record_reg_classes): Use in_hard_reg_set_p.
14465         * regrename.c (note_sets): Use add_to_hard_reg_set.
14466         (clear_dead_regs): Use remove_from_hard_reg_set.
14467         (regrename_optimize): Use add_to_hard_reg_set.
14468         (find_oldest_value_reg): Use in_hard_reg_set_p.
14469         * reload.c (push_reload): Use in_hard_reg_set_p and end_hard_regno.
14470         (hard_reg_set_here_p): Use end_hard_regno.
14471         (decompose): Likewise.
14472         (reg_overlap_mentioned_for_reload_p): Use END_HARD_REGNO.
14473         (find_equiv_reg): Use in_hard_reg_set_p and end_hard_regno.
14474         * reload1.c (compute_use_by_pseudos): Use add_to_hard_reg_set.
14475         (mark_home_live): Use end_hard_regno.
14476         (spill_hard_reg): Likewise.
14477         (clear_reload_reg_in_use): Likewise.
14478         * reorg.c (delete_prior_computation): Use END_REGNO.
14479         * resource.c (update_live_status): Use END_HARD_REGNO.
14480         (mark_referenced_resources): Use add_to_hard_reg_set.
14481         (mark_set_resources): Likewise.
14482         (mark_target_live_regs): Likewise.  Use remove_from_hard_reg_set.
14483         * rtlanal.c (refers_to_regno_p): Use END_REGNO.
14484         (reg_overlap_mentioned_p): Likewise.
14485         (dead_or_set_p): Likewise.  Use an exclusive upper loop bound.
14486         (covers_regno_no_parallel_p): Use END_REGNO.
14487         (find_regno_note): Likewise.
14488         (find_reg_fusage): Use END_HARD_REGNO.
14489         * stmt.c (decl_overlaps_hard_reg_set_p): Use overlaps_hard_reg_set_p.
14490         * var-tracking.c (emit_note_insn_var_location): Use end_hard_regno.
14491
14492 2007-05-22  Richard Sandiford  <rsandifo@nildram.co.uk>
14493
14494         * mode-switching.c (reg_dies): Change type of second argument to
14495         "HARD_REG_SET *".
14496         (optimize_mode_switching): Update accordingly.
14497
14498 2007-05-22  Richard Sandiford  <richard@codesourcery.com>
14499
14500         * hard-reg-set.h (GO_IF_HARD_REG_SUBSET, GO_IF_HARD_REG_EQUAL): Delete
14501         in favor of...
14502         (hard_reg_subset_p, hard_reg_sets_equal_p, hard_reg_sets_intersect_p)
14503         (hard_reg_set_empty_p): ...these new functions.
14504         * bt-load.c (choose_btr): Use hard_reg_subset_p instead of
14505         GO_IF_HARD_REG_SUBSET.
14506         * cfgcleanup.c (old_insns_match_p): Use hard_reg_sets_equal_p
14507         instead of GO_IF_HARD_REG_EQUAL.
14508         * df-problems.c (df_urec_local_compute): Use hard_reg_set_empty_p
14509         instead of GO_IF_HARD_REG_EQUAL.
14510         * global.c (find_reg): Use hard_reg_set_empty_p instead of
14511         GO_IF_HARD_REG_SUBSET.
14512         (modify_reg_pav): Use hard_reg_set_empty_p instead of
14513         GO_IF_HARD_REG_EQUAL.
14514         * local-alloc.c (find_free_reg): Use hard_reg_subset_p instead
14515         of GO_IF_HARD_REG_SUBSET.
14516         * reg-stack.c (change_stack, convert_regs_1): Use hard_reg_sets_equal_p
14517         instead of GO_IF_HARD_REG_EQUAL.
14518         * regclass.c (init_reg_sets_1, reg_scan_mark_refs): Use
14519         hard_reg_subset_p instead of GO_IF_HARD_REG_SUBSET.
14520         (reg_classes_intersect_p): Use hard_reg_sets_intersect_p instead
14521         of GO_IF_HARD_REG_SUBSET,
14522         * reload1.c (finish_spills): Use hard_reg_subset_p instead of
14523         GO_IF_HARD_REG_SUBSET.
14524         * struct-equiv.c (death_notes_match_p): Use hard_reg_sets_equal_p
14525         instead of GO_IF_HARD_REG_EQUAL.
14526         * config/sh/sh.c (push_regs, calc_live_regs): Use
14527         hard_reg_sets_intersect_p instead of hard_regs_intersect_p.
14528         (hard_regs_intersect_p): Delete.
14529
14530 2007-05-22  Janis Johnson  <janis187@us.ibm.com>
14531
14532         * doc/sourcebuild.texi (Test Directives) Add dg-message.
14533
14534 2007-05-22  H.J. Lu  <hongjiu.lu@intel.com>
14535             Richard Henderson  <rth@redhat.com>
14536
14537         * config.gcc (i[34567]86-*-*): Add smmintrin.h to
14538         extra_headers.
14539         (x86_64-*-*): Likewise.
14540
14541         * i386/i386-modes.def (V2QI): New.
14542
14543         * config/i386/i386.c (ix86_handle_option): Handle SSE4.1 and
14544         SSE4A.
14545         (override_options): Support SSE4.1.
14546         (IX86_BUILTIN_BLENDPD): New for SSE4.1.
14547         (IX86_BUILTIN_BLENDPS): Likewise.
14548         (IX86_BUILTIN_BLENDVPD): Likewise.
14549         (IX86_BUILTIN_BLENDVPS): Likewise.
14550         (IX86_BUILTIN_PBLENDVB128): Likewise.
14551         (IX86_BUILTIN_PBLENDW128): Likewise.
14552         (IX86_BUILTIN_DPPD): Likewise.
14553         (IX86_BUILTIN_DPPS): Likewise.
14554         (IX86_BUILTIN_INSERTPS128): Likewise.
14555         (IX86_BUILTIN_MOVNTDQA): Likewise.
14556         (IX86_BUILTIN_MPSADBW128): Likewise.
14557         (IX86_BUILTIN_PACKUSDW128): Likewise.
14558         (IX86_BUILTIN_PCMPEQQ): Likewise.
14559         (IX86_BUILTIN_PHMINPOSUW128): Likewise.
14560         (IX86_BUILTIN_PMAXSB128): Likewise.
14561         (IX86_BUILTIN_PMAXSD128): Likewise.
14562         (IX86_BUILTIN_PMAXUD128): Likewise.
14563         (IX86_BUILTIN_PMAXUW128): Likewise.
14564         (IX86_BUILTIN_PMINSB128): Likewise.
14565         (IX86_BUILTIN_PMINSD128): Likewise.
14566         (IX86_BUILTIN_PMINUD128): Likewise.
14567         (IX86_BUILTIN_PMINUW128): Likewise.
14568         (IX86_BUILTIN_PMOVSXBW128): Likewise.
14569         (IX86_BUILTIN_PMOVSXBD128): Likewise.
14570         (IX86_BUILTIN_PMOVSXBQ128): Likewise.
14571         (IX86_BUILTIN_PMOVSXWD128): Likewise.
14572         (IX86_BUILTIN_PMOVSXWQ128): Likewise.
14573         (IX86_BUILTIN_PMOVSXDQ128): Likewise.
14574         (IX86_BUILTIN_PMOVZXBW128): Likewise.
14575         (IX86_BUILTIN_PMOVZXBD128): Likewise.
14576         (IX86_BUILTIN_PMOVZXBQ128): Likewise.
14577         (IX86_BUILTIN_PMOVZXWD128): Likewise.
14578         (IX86_BUILTIN_PMOVZXWQ128): Likewise.
14579         (IX86_BUILTIN_PMOVZXDQ128): Likewise.
14580         (IX86_BUILTIN_PMULDQ128): Likewise.
14581         (IX86_BUILTIN_PMULLD128): Likewise.
14582         (IX86_BUILTIN_ROUNDPD): Likewise.
14583         (IX86_BUILTIN_ROUNDPS): Likewise.
14584         (IX86_BUILTIN_ROUNDSD): Likewise.
14585         (IX86_BUILTIN_ROUNDSS): Likewise.
14586         (IX86_BUILTIN_PTESTZ): Likewise.
14587         (IX86_BUILTIN_PTESTC): Likewise.
14588         (IX86_BUILTIN_PTESTNZC): Likewise.
14589         (IX86_BUILTIN_VEC_EXT_V16QI): Likewise.
14590         (IX86_BUILTIN_VEC_SET_V2DI): Likewise.
14591         (IX86_BUILTIN_VEC_SET_V4SF): Likewise.
14592         (IX86_BUILTIN_VEC_SET_V4SI): Likewise.
14593         (IX86_BUILTIN_VEC_SET_V16QI): Likewise.
14594         (bdesc_ptest): New.
14595         (bdesc_sse_3arg): Likewise.
14596         (bdesc_2arg): Likewise.
14597         (bdesc_1arg): Likewise.
14598         (ix86_init_mmx_sse_builtins): Support SSE4.1.  Handle SSE builtins
14599         with 3 args.
14600         (ix86_expand_sse_4_operands_builtin): New.
14601         (ix86_expand_unop_builtin): Support 2 arg builtins with a constant
14602         smaller than 8 bits as the 2nd arg.
14603         (ix86_expand_sse_ptest): New.
14604         (ix86_expand_builtin): Support SSE4.1. Support 3 arg SSE builtins.
14605         (ix86_expand_vector_set): Support SSE4.1.
14606         (ix86_expand_vector_extract): Likewise.
14607
14608         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Define
14609         __SSE4_1__ for -msse4.1.
14610
14611         * config/i386/i386.md (UNSPEC_BLENDV): New for SSE4.1.
14612         (UNSPEC_INSERTPS): Likewise.
14613         (UNSPEC_DP): Likewise.
14614         (UNSPEC_MOVNTDQA): Likewise.
14615         (UNSPEC_MPSADBW): Likewise.
14616         (UNSPEC_PHMINPOSUW): Likewise.
14617         (UNSPEC_PTEST): Likewise.
14618         (UNSPEC_ROUNDP): Likewise.
14619         (UNSPEC_ROUNDS): Likewise.
14620
14621         * config/i386/i386.opt (msse4.1): New for SSE4.1.
14622
14623         * config/i386/predicates.md (const_pow2_1_to_2_operand): New.
14624         (const_pow2_1_to_32768_operand): Likewise.
14625
14626         * config/i386/smmintrin.h: New. The SSE4.1 intrinsic header
14627         file.
14628
14629         * config/i386/sse.md (*vec_setv4sf_sse4_1): New pattern for
14630         SSE4.1.
14631         (sse4_1_insertps): Likewise.
14632         (*sse4_1_extractps): Likewise.
14633         (sse4_1_ptest): Likewise.
14634         (sse4_1_mulv2siv2di3): Likewise.
14635         (*sse4_1_mulv4si3): Likewise.
14636         (*sse4_1_smax<mode>3): Likewise.
14637         (*sse4_1_umax<mode>3): Likewise.
14638         (*sse4_1_smin<mode>3): Likewise.
14639         (*sse4_1_umin<mode>3): Likewise.
14640         (sse4_1_eqv2di3): Likewise.
14641         (*sse4_1_pinsrb): Likewise.
14642         (*sse4_1_pinsrd): Likewise.
14643         (*sse4_1_pinsrq): Likewise.
14644         (*sse4_1_pextrb): Likewise.
14645         (*sse4_1_pextrb_memory): Likewise.
14646         (*sse4_1_pextrw_memory): Likewise.
14647         (*sse4_1_pextrq): Likewise.
14648         (sse4_1_blendpd): Likewise.
14649         (sse4_1_blendps): Likewise.
14650         (sse4_1_blendvpd): Likewise.
14651         (sse4_1_blendvps): Likewise.
14652         (sse4_1_dppd): Likewise.
14653         (sse4_1_dpps): Likewise.
14654         (sse4_1_movntdqa): Likewise.
14655         (sse4_1_mpsadbw): Likewise.
14656         (sse4_1_packusdw): Likewise.
14657         (sse4_1_pblendvb): Likewise.
14658         (sse4_1_pblendw): Likewise.
14659         (sse4_1_phminposuw): Likewise.
14660         (sse4_1_extendv8qiv8hi2): Likewise.
14661         (*sse4_1_extendv8qiv8hi2): Likewise.
14662         (sse4_1_extendv4qiv4si2): Likewise.
14663         (*sse4_1_extendv4qiv4si2): Likewise.
14664         (sse4_1_extendv2qiv2di2): Likewise.
14665         (*sse4_1_extendv2qiv2di2): Likewise.
14666         (sse4_1_extendv4hiv4si2): Likewise.
14667         (*sse4_1_extendv4hiv4si2): Likewise.
14668         (sse4_1_extendv2hiv2di2): Likewise.
14669         (*sse4_1_extendv2hiv2di2): Likewise.
14670         (sse4_1_extendv2siv2di2): Likewise.
14671         (*sse4_1_extendv2siv2di2): Likewise.
14672         (sse4_1_zero_extendv8qiv8hi2): Likewise.
14673         (*sse4_1_zero_extendv8qiv8hi2): Likewise.
14674         (sse4_1_zero_extendv4qiv4si2): Likewise.
14675         (*sse4_1_zero_extendv4qiv4si2): Likewise.
14676         (sse4_1_zero_extendv2qiv2di2): Likewise.
14677         (*sse4_1_zero_extendv2qiv2di2): Likewise.
14678         (sse4_1_zero_extendv4hiv4si2): Likewise.
14679         (*sse4_1_zero_extendv4hiv4si2): Likewise.
14680         (sse4_1_zero_extendv2hiv2di2): Likewise.
14681         (*sse4_1_zero_extendv2hiv2di2): Likewise.
14682         (sse4_1_zero_extendv2siv2di2): Likewise.
14683         (*sse4_1_zero_extendv2siv2di2): Likewise.
14684         (sse4_1_roundpd): Likewise.
14685         (sse4_1_roundps): Likewise.
14686         (sse4_1_roundsd): Likewise.
14687         (sse4_1_roundss): Likewise.
14688         (mulv4si3): Don't expand for SSE4.1.
14689         (smax<mode>3): Likewise.
14690         (umaxv4si3): Likewise.
14691         (uminv16qi3): Likewise.
14692         (umin<mode>3): Likewise.
14693         (umaxv8hi3): Rewrite.  Only enabled for SSE4.1.
14694
14695         * doc/extend.texi: Document SSE4.1 built-in functions.
14696
14697         * doc/invoke.texi: Document -msse4.1.
14698
14699 2007-05-22  Nathan Sidwell  <nathan@codesourcery.com>
14700
14701         * config/m68k/linux.h (ASM_SPEC): Add asm_pcrel_spec.
14702         * config/m68k/m68k-none.h (ASM_SPEC): Don't override here.
14703         * config/m68k/m68k.h (ASM_PCREL_SPEC): New.
14704         (ASM_SPEC): Add asm_pcrel_spec.
14705         (EXTRA_SPECS): Add asm_pcrel_spec.
14706
14707 2007-05-21  David Daney  <ddaney@avtrex.com>
14708
14709         * doc/install.texi (Building a cross compiler): Add requirements
14710         for Java cross compiler.
14711
14712 2007-05-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
14713
14714         PR middle-end/31995
14715         * tree-chrec.c (evolution_function_is_affine_multivariate_p):
14716         Add loopno argument.  Use evolution_function_is_invariant_rec_p
14717         instead of evolution_function_is_constant_p.
14718         Update calls to evolution_function_is_affine_multivariate_p.
14719         * tree-chrec.h (evolution_function_is_affine_multivariate_p):
14720         Add loopno argument.
14721         * tree-scalar-evolution.c (gather_chrec_stats): Call
14722         evolution_function_is_affine_multivariate_p with a loop
14723         number of 0.
14724         * tree-data-ref.c (analyze_miv_subscript): Likewise.
14725         (analyze_overlapping_iterations): Likewise.
14726         (access_functions_are_affine_or_constant_p): Likewise.
14727         (build_classic_dist_vector_1): If the access functions
14728         are equal, don't do anything.
14729
14730 2007-05-21  Paolo Bonzini  <bonzini@gnu.org>
14731             Paolo Carlini  <pcarlini@suse.de>
14732             Uros Bizjak  <ubizjak@gmail.com>
14733
14734         * c-cppbuiltin.c (c_cpp_builtins): Define
14735         __GCC_HAVE_SYNC_COMPARE_AND_SWAP_1, __GCC_HAVE_SYNC_COMPARE_AND_SWAP_2,
14736         __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4, __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8,
14737         __GCC_HAVE_SYNC_COMPARE_AND_SWAP_16, if appropriate.
14738         * doc/cpp.texi ([Standard Predefined Macros]): Document.
14739
14740 2007-05-21  Mike Stump  <mrs@apple.com>
14741
14742         * config/darwin.h (LINK_COMMAND_SPEC): Add .cxx/.cp for dsymutil
14743         handling as well.
14744         * config/darwin9.h (LINK_COMMAND_SPEC): Likewise.
14745
14746 2007-05-21  Uros Bizjak  <ubizjak@gmail.com>
14747
14748         * config/i386/tmmintrin.h (_mm_alignr_epi8): Provide macro
14749         implementation if __OPTIMIZE__ is not defined.
14750         (_mm_alignr_pi8): Ditto.
14751         * config/i386/ammintrin.h (_mm_extracti_si64): Ditto.
14752         (_mm_inserti_si64): Ditto.
14753         * config/i386/emmintrin.h (_mm_shuffle_pd): Ditto.
14754         (_mm_slli_epi16): Ditto.
14755         (_mm_slli_epi32): Ditto.
14756         (_mm_slli_epi64): Ditto.
14757         (_mm_srai_epi16): Ditto.
14758         (_mm_srai_epi32): Ditto.
14759         (_mm_srli_si128): Ditto.
14760         (_mm_slli_si128): Ditto.
14761         (_mm_srli_epi16): Ditto.
14762         (_mm_srli_epi32): Ditto.
14763         (_mm_srli_epi64): Ditto.
14764         (_mm_extract_epi16): Ditto.
14765         (_mm_insert_epi16): Ditto.
14766         (_mm_shufflehi_epi16): Ditto.
14767         (_mm_shufflelo_epi16): Ditto.
14768         (_mm_shuffle_epi32): Ditto.
14769         * config/i386/xmmintrin.h (_mm_extract_pi16): Ditto.
14770         (_m_pextrw): Ditto.
14771         (_mm_insert_pi16): Ditto.
14772         (_m_pinsrw): Ditto.
14773         (_mm_shuffle_pi16): Ditto.
14774         (_m_pshufw): Ditto.
14775         (_mm_shufle_ps): Ditto.
14776         (_mm_prefetch): Ditto.
14777
14778 2007-05-21  Andreas Krebbel  <krebbel1@de.ibm.com>
14779
14780         * defaults.h (IBM_FLOAT_FORMAT): Macro definition removed.
14781         * doc/tm.texi (IBM_FLOAT_FORMAT): Documentation entry removed.
14782         * real.c (encode_i370_single, decode_i370_single,
14783         encode_i370_double, decode_i370_double): Functions removed.
14784         (i370_single_format, i370_double_format): Initializations removed.
14785         (real_maxval, round_for_format, exact_real_truncate, significand_size):
14786         Consider the log2_b field to always be one.
14787         (ieee_single_format, mips_single_format, coldfire_single_format,
14788         ieee_double_format, mips_double_format, coldfire_double_format,
14789         ieee_extended_motorola_format, ieee_extended_intel_96_format,
14790         ieee_extended_intel_128_format, ieee_extended_intel_96_round_53_format,
14791         ibm_extended_format, mips_extended_format, ieee_quad_format,
14792         mips_quad_format, vax_f_format, vax_d_format, vax_g_format,
14793         decimal_single_format, decimal_double_format, decimal_quad_format,
14794         c4x_single_format, c4x_extended_format, real_internal_format): Remove
14795         initialization of log2_b.
14796         * real.h (i370_single_format, i370_double_format): Declarations
14797         removed.
14798         * c-cppbuiltin.c (builtin_define_float_constants): Consider the log2_b
14799         field to always be one.
14800
14801 2007-05-21  Andreas Schwab  <schwab@suse.de>
14802
14803         * config/ia64/ia64.c (emit_predicate_relation_info): Fix use of
14804         NOTE_INSN_BASIC_BLOCK_P.
14805         (process_for_unwind_directive): Likewise.
14806
14807 2007-05-21  Nathan Sidwell  <nathan@codesourcery.com>
14808
14809         * builtins.c (expand_builtin_setjmp_setup): Update comment.
14810         * function.h (struct function): Move va_list_gpr_size,
14811         va_list_fpr_size, function_frequency to front of bitfields.  Add
14812         calls_unwind_init.
14813         (current_function_calls_unwind_init): New.
14814         * except.c (expand_builtin_unwind_init): Set
14815         current_function_calls_unwind_init not
14816         current_function_has_nonlocal_label.
14817         * reload1.c (has_nonexceptional_receiver): New.
14818         (reload): Use it and current_function_calls_unwind_init to
14819         determine whether call-saved regs must be saved.
14820
14821 2007-05-20  Jan Hubicka  <jh@suse.cz>
14822
14823         * gengtype.c (adjust_field_rtx_def): Use NOTE_KIND instead of
14824         NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
14825         * ddg.c (create_ddg): LIkewise.
14826         * final.c (final): Remove hunk moving line number notes around since
14827         they are no longer present at this stage.
14828         (final_scan_insn): Use NOTE_KIND instead of
14829         NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
14830         (output_asm_label): Likewise.
14831         * reorg.c (dbr_schedule): Likewise.
14832         * haifa-sched.c (unlink_other_notes): Likewise.
14833         * mode-switching.c (optimize_mode_switching): Likewise.
14834         * graph.c (start_bb): Likewise.
14835         * rtl.def (NOTE): Update description.
14836         * jump.c (squeeze_notes): Delete.
14837         (mark_jump_label): Use NOTE_KIND instead of NOTE_LINE_NUMBER; use
14838         NOTE_INSN_BASIC_BLOCK_P when possible.
14839         * ifcvt.c (dead_or_predicable): Remove call of squeeze_notes.
14840         * dwarf2out.c (gen_label_die): Use NOTE_KIND instead of
14841         NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
14842         (dwarf2out_var_location): Likewise.
14843         * cfgbuild.c (make_edges): Likewise.
14844         (find_basic_blocks_1): Likewise.
14845         * function.c (reorder_blocks_1): Likewise.
14846         (epilogue_done): Likewise.
14847         (reposition_prologue_and_epilogue_notes): Likewise.
14848         * print-rtl.c (print_rtx): Likewise; drop code for printing
14849         line number notes.
14850         (print_rtl): Likewise.
14851         (print_rtl_single): Likewise.
14852         * gcse.c (insert_insn_start_bb): Likewise.
14853         * alias.c (init_alias_analysis): Likewise.
14854         * calls.c (fixup_tail_calls): Likewise.
14855         * except.c (sjlj_emit_function_enter): Likewise.
14856         * emit-rtl.c (add_insn_after): Likeiwse.
14857         (emit_label_before): Likewise.
14858         (emit_label_after): Likewise.
14859         (emit_note_before, emit_note_after, emit_note): Update
14860         parameter to be enum insn_note; do not deal with source
14861         files.
14862         * cfgcleanup.c (merge_blocks_move_predecessor_nojumps):
14863         Use NOTE_KIND instead of NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P
14864         when possible.
14865         (merge_blocks_move_successor_nojumps): Simplify now when
14866         we don't have BLOCK notes.
14867         (try_optimize_cfg): Likewise.
14868         * cfglayout.c (skip_insns_after_block): Likewise.
14869         (record_effective_endpoints): Likewise.
14870         (duplicate_insn_chain): Likewise.
14871         * varasm.c (output_constant_pool_1): Likewise.
14872         * sched-deps.c (sched_analyze): Likewise.
14873         * rtl.c (NOTE_INSN_MAX_isnt_negative_adjust_NOTE_INSN_BIAS):
14874         Exterminate.
14875         (note_insn_name): Simplify now when NOTE_INSN_BIAS is gone.
14876         * rtl.h (NOTE_SOURCE_LOCATION, NOTE_EXPANDED_LOCATION): Exterminate.
14877         (SET_INSN_DELETED): Simplify.
14878         (NOTE_LINE_NUMBER): Exterminate.
14879         (NOTE_LINE_KIND): New.
14880         (NOTE_INSN_BASIC_BLOCK_P): Update.
14881         (enum insn_note): Simplify.
14882         (GET_NOTE_INSN_NAME) Simplify.
14883         (emit_note_before, emit_note_after, emit_note): Update prototype.
14884         (squeeze_notes): Remove.
14885         * sched-int.h (NOTE_NOT_BB_P): Update.
14886         * resource.c (mark_target_live_regs): Update.
14887         * sched-rgn.c (debug_dependencies): Update.
14888         * sched-vis.c (print_insn): Update.
14889         * config/alpha/alpha.c (alpha_handle_trap_shadows): Update.
14890         * config/i386/i386.c (ix86_output_function_epilogue): Update.
14891         * config/sh/sh.c (sh_adjust_unroll_max): Function dead since gcc 4.0.0.
14892         (TARGET_ADJUST_UNROLL_MAX): Likewise.
14893         (split_branches): Update.
14894         (sh_optimize_target_register_callee_saved): Remove hunk dead since gcc
14895         4.0.0.
14896         (sh_adjust_unroll_max): Exterminate.
14897         * config/c4x/c4x.c (c4x_reorg): Use SET_INSN_DELETED.
14898         * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Likewise.
14899         (m68hc11_reorg): Likewise.
14900         * config/ia64/ia64.c (emit_insn_group_barriers): Update.
14901         (emit_predicate_relation_info): Update.
14902         (process_for_unwind_directive): Update.
14903         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update.
14904         (output_call): Update.
14905         * config/pa/pa.c (output_lbranch): Update.
14906         (output_millicode_call): Update.
14907         (output_call): Update.
14908         (pa_combine_instructions): Update.
14909         * config/mips/mips.c (mips16_gp_pseudo_reg): Update.
14910         * config/bfin/bfin.c (gen_one_bundle): Update.
14911         * cfgrtl.c (can_delete_note_p): Update.
14912         (delete_insn): Update.
14913         (rtl_merge_blocks): Update.
14914         (commit_one_edge_insertion): Update.
14915         (rtl_verify_flow_info): Update.
14916         * stmt.c (expand_case): Do not call squeeze_notes.
14917
14918 2007-05-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
14919
14920         PR middle-end/7651
14921         PR c++/11856
14922         PR c/12963
14923         PR c/23587
14924         PR other/29694
14925         * c.opt (Wtype-limits): New.
14926         * doc/invoke.texi (Wtype-limits): Document it.
14927         (Wextra): Enabled by -Wextra.
14928         * c-opts.c (c_common_post_options): Enabled by -Wextra.
14929         * c-common.c (shorten_compare): Warn with Wtype-limits.
14930
14931 2007-05-20  Uros Bizjak  <ubizjak@gmail.com>
14932
14933         * config/i386/tmmintrin.h (_mm_alignr_epi32): Implement as always
14934         inlined function, not as a macro.
14935         (_mm_alignr_pi8): Ditto.
14936         * config/i386/ammintrin.h (_mm_extracti_si64): Ditto.
14937         (_mm_inserti_si64): Ditto.
14938         * config/i386/emmintrin.h (_mm_shuffle_pd): Ditto.
14939         (_mm_extract_epi16): Ditto.
14940         (_mm_insert_epi16): Ditto.
14941         (_mm_shufflehi_epi16): Ditto.
14942         (_mm_shufflelo_epi16): Ditto.
14943         (_mm_shuffle_epi32): Ditto.
14944         * config/i386/xmmintrin.h (_mm_set_ss): Use 0.0f for float constant.
14945         * config/386/mm3dnow.h: Add __attribute__((__always_inline__)) to
14946         all functions.
14947         (_m_from_float): Add __extension__ to conversion.  Use 0.0f for
14948         float constant.
14949         (_m_to_float): Use C89 compatible assignment.
14950
14951 2007-05-20  Martin Michlmayr  <tbm@cyrius.com>
14952
14953         PR target/32007
14954         * config/arm/lib1funcs.asm: Define __ARM_ARCH__ on v2/v3 machines.
14955
14956 2007-05-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
14957
14958         PR middle-end/7651
14959         * doc/invoke.texi (Wreturn-type): Complete description.
14960         (Wextra): Delete item about return-type warning.
14961         * c-decl.c: Delete redundant Wextra warning.
14962
14963 2007-05-20  Uros Bizjak  <ubizjak@gmail.com>
14964
14965         PR target/31585
14966         * config/i386/pmmintrin.h: Do not include xmmintrin.h
14967         * config/i386/xmmintrin.h (_mm_extract_pi16): Implement as always
14968         inlined function, not as a macro.
14969         (_mm_prefetch): Ditto.
14970         (_m_pextrw): Ditto.
14971         (_mm_insert_pi16): Ditto.
14972         (_m_pinsrw): Ditto.
14973         (_mm_shuffle_pi16): Ditto.  Add const to __N argument.
14974         (_m_pshufw): Ditto. Add const to __N argument.
14975         (_mm_shufle_ps): Ditto.  Add const to __mask argument.
14976         * config/i386/emmintrin.h (_mm_slli_epi16): Add const to __B argument.
14977         (_mm_slli_epi32): Ditto.
14978         (_mm_srli_si128): Implement as always inlined function, not as a
14979         macro.  Add __inline to function declaration.
14980         (_mm_slli_si128): Ditto.
14981
14982 2007-05-19  Uros Bizjak  <ubizjak@gmail.com>
14983
14984         * config/i386/sfp-machine.h (FP_EX_INVALID, FP_EX_DENORM,
14985         FP_EXP_DIVZERO, FP_EX_OVERFLOW, FP_EX_UNDERFLOW, FP_EX_INEXACT):
14986         New constants.
14987         (struct fenv): New structure.
14988         (FP_HANDLE_EXCEPTIONS): New define.
14989         (FP_RND_NEAREST, FP_RND_ZERO, FP_RND_PINF, FP_RND_MINF): New constants.
14990         (_FP_DECL_EXP): New define.
14991         (FP_INIT_ROUNDMODE): New define.
14992         (FP_ROUNDMODE): New define.
14993
14994 2007-05-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
14995
14996         * doc/invoke.texi (Warning Options): Add -Wconversion-sign.
14997         (Wconversion): Update description.
14998         (Wconversion-sign): New.
14999         * c.opt (Wconversion-sign): New.
15000         * c-opts.c (c_common_post_options): Uninitialized Wconversion-sign
15001         means disabled for C++. Otherwise, take the status of Wconversion.
15002         * c-common.c (conversion_warning): Warn with either Wconversion or
15003         Wconversion-sign.
15004         (warnings_for_convert_and_check): Conditions are already checked by
15005         conversion_warning.
15006         (convert_and_check): Don't check warnings if the conversion failed.
15007
15008 2007-05-19 Andy Hutchinson <HutchinsonAndy@netscape.net>
15009            Anatoly Sokolov <aesok@dol.ru>
15010
15011         * config/avr/avr-protos.h (expand_prologue, expand_epilogue,
15012         avr_epilogue_uses) : Add declaration.
15013         * config/avr/predicates.md (avr_sp_immediate_operand): New predicate.
15014         * config/avr/constraints.md (R): New constraint.
15015         config/avr/avr.md (SREG_ADDR, UNSPEC_SEI, UNSPEC_CLI,
15016         UNSPECV_PROLOGUE_SAVES, UNSPECV_EPILOGUE_RESTORES): New constants.
15017         (*pop1, *pop2, *pop3, *pop4, *pop5): Combine into ...
15018         (*addhi3_sp_R_pc2, *addhi3_sp_R_pc3): ... these patterns.
15019         (*movhi_sp, popqi, pophi, enable_interrupt, disable_interrupt,
15020         call_prologue_saves, epilogue_restores, return_from_epilogue,
15021         return_from_main_epilogue, return_from_interrupt_epilogue,
15022         return_from_naked_epilogue, prologue, epilogue): New patterns.
15023         (jump): Handle symbol reference.
15024         * config/avr/avr.c (out_adj_frame_ptr, out_set_stack_ptr,
15025         avr_output_function_prologue, avr_output_function_epilogue): Remove
15026         functions.
15027         (avr_init_machine_status, expand_prologue, expand_epilogue,
15028         avr_asm_function_end_prologue, avr_epilogue_uses,
15029         avr_asm_function_begin_epilogue): New functions.
15030         (prologue_size, epilogue_size, jump_tables_size): Remove global
15031         variables.
15032         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Remove.
15033         (TARGET_ASM_FUNCTION_END_PROLOGUE): Define.
15034         (TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): Define.
15035         (avr_override_options): Initialise init_machine_status.
15036         (output_movhi): Handle all stack pointer loads.
15037         (out_movqi_r_mr, out_movqi_mr_r): Handle SREG_ADDR address.
15038         (avr_output_addr_vec_elt): Do not use variable jump_tables_size.
15039         * config/avr/avr.h (AVR_2_BYTE_PC, AVR_3_BYTE_PC): New.
15040         (EPILOGUE_USES) Redefine.
15041         (machine_function) Declare.
15042
15043 2007-05-19  Richard Sandiford  <richard@codesourcery.com>
15044
15045         * config/mips/mips.c (mips_offset_within_alignment_p): Tweak comment.
15046         Use a single return statement.
15047
15048 2007-05-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15049
15050         PR middle-end/30250
15051         * builtins.c (do_mpfr_lgamma_r): New.
15052         (fold_builtin_2): Handle builtin gamma_r/lgamma_r.
15053         * tree.h (CASE_FLT_FN_REENT): New.
15054
15055 2007-05-18  Geoffrey Keating  <geoffk@apple.com>
15056
15057         * dwarf2out.c (print_die): Use '%ld' not '%lu' to print a 'long'.
15058         (output_die): Use 'unsigned long' with %x.
15059         * sched-vis.c (print_value): Use 'unsigned HOST_WIDE_INT' and
15060         HOST_WIDE_INT_PRINT_HEX to print HOST_WIDE_INT.
15061         * tree-dump.c (dump_pointer): Use 'unsigned long' for %lx.
15062
15063         * unwind-dw2.c (uw_identify_context): Use the CFA, not the IP.
15064
15065 2007-05-18  H.J. Lu  <hongjiu.lu@intel.com>
15066
15067         PR target/31989
15068         PR target/31681
15069         PR target/31666
15070         * config/i386/i386.c (init_cumulative_args): Set maybe_vaarg to
15071         true if function has no argument.
15072
15073 2007-05-18  DJ Delorie  <dj@redhat.com>
15074
15075         * config/mips/mips.c (mips_offset_within_alignment_p): New.
15076         (mips_symbolic_constant_p): Call it for TPREL and DTPREL symbols.
15077
15078 2007-05-18  Uros Bizjak  <ubizjak@gmail.com>
15079
15080         * longlong.h (__x86_64__): Add definitions for add_ssaaaa,
15081         sub_ddmmss, umul_ppmm, udiv_qrnnd, count_leading_zeros and
15082         count_trailing_zeros.
15083         (__i386__): Implement count_leading_zeros using __builtin_clz().
15084         Implement count_trailing_zeros usign __builtin_ctz().
15085
15086 2007-05-18  Richard Sandiford  <richard@codesourcery.com>
15087
15088         * config/i386/vxworks.h (ASM_PREFERRED_EH_DATA_FORMAT): Undefine.
15089
15090 2007-05-18  Uros Bizjak  <ubizjak@gmail.com>
15091
15092         PR middle-end/31344
15093         * expr.c (emit_move_change_mode): Change mode of push operands here.
15094
15095 2007-05-17  Ian Lance Taylor  <iant@google.com>
15096
15097         PR tree-optimization/31953
15098         * tree-vrp.c (set_value_range_to_value): Add equiv parameter.
15099         Change all callers.
15100         (set_value_range_to_null): Call set_value_range_to_value.
15101         (extract_range_from_comparison): Likewise.
15102
15103 2007-05-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15104
15105         * toplev.c (print_version): Output GMP/MPFR version info.
15106
15107         * builtins.c (CASE_MATHFN_REENT): New macro.
15108         (mathfn_built_in): Use it.
15109         * builtins.def (BUILT_IN_GAMMA_R, BUILT_IN_GAMMAF_R,
15110         BUILT_IN_GAMMAL_R, BUILT_IN_LGAMMA_R, BUILT_IN_LGAMMAF_R,
15111         BUILT_IN_LGAMMAL_R): New.
15112         * doc/extend.texi: Document new builtins.
15113
15114         PR middle-end/31796
15115         * builtins.c (do_mpfr_remquo): New.
15116         (fold_builtin_2): Handle BUILT_IN_DREM/BUILT_IN_REMAINDER.
15117         (fold_builtin_3): Handle BUILT_IN_REMQUO.
15118
15119         PR middle-end/30251
15120         * builtins.c (fold_builtin_1): Handle y0, y1.
15121         (fold_builtin_2): Handle yn.
15122
15123         PR middle-end/30251
15124         * builtins.c (do_mpfr_bessel_n): New.
15125         (fold_builtin_1): Handle BUILT_IN_J0 and BUILT_IN_J1.
15126         (fold_builtin_2): Handle BUILT_IN_JN.
15127
15128 2007-05-17  Danny Smith  <dannysmith@users.sourceforge.net>
15129
15130         PR target/31965
15131         * config/i386/mingw32.h (_INTEGRAL_MAX_BITS): Define builtin as
15132         TYPE_PRECISION (intmax_type_node).
15133
15134 2007-05-17  Steve Ellcey  <sje@cup.hp.com>
15135
15136         PR target/31850
15137         * reload.c (subst_reloads): Remove checking.
15138
15139 2007-05-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
15140
15141         PR rtl-optimization/31691
15142         * combine.c (simplify_set): Build a new src pattern instead of
15143         substituting its operands in the COMPARE case.
15144
15145 2007-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
15146
15147         * tree-vrp.c (finalize_jump_threads): Do not care about dominance info.
15148         (execute_vrp): Preserve loops through jump threading.
15149         * tree-ssa-threadupdate.c (thread_single_edge,
15150         dbds_continue_enumeration_p, determine_bb_domination_status,
15151         thread_through_loop_header): New functions.
15152         (create_edge_and_update_destination_phis,
15153         create_edge_and_update_destination_phis): Set loops for the new blocks.
15154         (prune_undesirable_thread_requests): Removed.
15155         (redirect_edges): Do not pretend that redirect_edge_and_branch can
15156         create new blocks.
15157         (thread_block): Do not call prune_undesirable_thread_requests.
15158         Update loops.
15159         (mark_threaded_blocks): Select edges to thread here.
15160         (thread_through_all_blocks): Take may_peel_loop_headers argument.
15161         Thread edges through loop headers independently.
15162         * cfgloopmanip.c (create_preheader, mfb_keep_just): Export.
15163         * tree-pass.h (TODO_mark_first_instance): New.
15164         (first_pass_instance): Declare.
15165         * cfghooks.c (duplicate_block): Put the block to the original loop
15166         if copy is not specified.
15167         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Preserve loops through
15168         jump threading.  Pass may_peel_loop_headers to
15169         thread_through_all_blocks according to first_pass_instance.
15170         * cfgloop.h (create_preheader): Declare.
15171         * tree-flow.h (thread_through_all_blocks): Declaration changed.
15172         * basic-block.h (mfb_keep_just, mfb_kj_edge): Declare.
15173         * passes.c (first_pass_instance): New variable.
15174         (next_pass_1): Set TODO_mark_first_instance.
15175         (execute_todo): Set first_pass_instance.
15176
15177 2007-05-17  Uros Bizjak  <ubizjak@gmail.com>
15178
15179         PR tree-optimization/24659
15180         * optabs.h (enum optab_index): Add OTI_vec_unpacks_float_hi,
15181         OTI_vec_unpacks_float_lo, OTI_vec_unpacku_float_hi,
15182         OTI_vec_unpacku_float_lo, OTI_vec_pack_sfix_trunc and
15183         OTI_vec_pack_ufix_trunc.
15184         (vec_unpacks_float_hi_optab): Define new macro.
15185         (vec_unpacks_float_lo_optab): Ditto.
15186         (vec_unpacku_float_hi_optab): Ditto.
15187         (vec_unpacku_float_lo_optab): Ditto.
15188         (vec_pack_sfix_trunc_optab): Ditto.
15189         (vec_pack_ufix_trunc_optab): Ditto.
15190         * genopinit.c (optabs): Implement vec_unpack[s|u]_[hi|lo]_optab
15191         and vec_pack_[s|u]fix_trunc_optab using
15192         vec_unpack[s|u]_[hi\lo]_* and vec_pack_[u|s]fix_trunc_* patterns
15193         * tree-vectorizer.c (supportable_widening_operation): Handle
15194         FLOAT_EXPR and CONVERT_EXPR.  Update comment.
15195         (supportable_narrowing_operation): New function.
15196         * tree-vectorizer.h (supportable_narrowing_operation): Prototype.
15197         * tree-vect-transform.c (vectorizable_conversion): Handle
15198         (nunits_in == nunits_out / 2) and (nunits_out == nunits_in / 2) cases.
15199         (vect_gen_widened_results_half): Move before vectorizable_conversion.
15200         (vectorizable_type_demotion): Call supportable_narrowing_operation()
15201         to check for target support.
15202         * optabs.c (optab_for_tree_code) Return vec_unpack[s|u]_float_hi_optab
15203         for VEC_UNPACK_FLOAT_HI_EXPR, vec_unpack[s|u]_float_lo_optab
15204         for VEC_UNPACK_FLOAT_LO_EXPR and vec_pack_[u|s]fix_trunc_optab
15205         for VEC_PACK_FIX_TRUNC_EXPR.
15206         (expand_binop): Special case mode of the result for
15207         vec_pack_[u|s]fix_trunc_optab.
15208         (init_optabs): Initialize vec_unpack[s|u]_[hi|lo]_optab and
15209         vec_pack_[u|s]fix_trunc_optab.
15210
15211         * tree.def (VEC_UNPACK_FLOAT_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR,
15212         VEC_PACK_FIX_TRUNC_EXPR): New tree codes.
15213         * tree-pretty-print.c (dump_generic_node): Handle
15214         VEC_UNPACK_FLOAT_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR and
15215         VEC_PACK_FIX_TRUNC_EXPR.
15216         (op_prio): Ditto.
15217         * expr.c (expand_expr_real_1): Ditto.
15218         * tree-inline.c (estimate_num_insns_1): Ditto.
15219         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
15220
15221         * config/i386/sse.md (vec_unpacks_float_hi_v8hi): New expander.
15222         (vec_unpacks_float_lo_v8hi): Ditto.
15223         (vec_unpacku_float_hi_v8hi): Ditto.
15224         (vec_unpacku_float_lo_v8hi): Ditto.
15225         (vec_unpacks_float_hi_v4si): Ditto.
15226         (vec_unpacks_float_lo_v4si): Ditto.
15227         (vec_pack_sfix_trunc_v2df): Ditto.
15228
15229         * doc/c-tree.texi (Expression trees) [VEC_UNPACK_FLOAT_HI_EXPR]:
15230         Document.
15231         [VEC_UNPACK_FLOAT_LO_EXPR]: Ditto.
15232         [VEC_PACK_FIX_TRUNC_EXPR]: Ditto.
15233         * doc/md.texi (Standard Names) [vec_pack_sfix_trunc]: Document.
15234         [vec_pack_ufix_trunc]: Ditto.
15235         [vec_unpacks_float_hi]: Ditto.
15236         [vec_unpacks_float_lo]: Ditto.
15237         [vec_unpacku_float_hi]: Ditto.
15238         [vec_unpacku_float_lo]: Ditto.
15239
15240 2007-05-16  Uros Bizjak  <ubizjak@gmail.com>
15241
15242         * soft-fp/README: Update for new files.
15243         * soft-fp/floattisf.c: New file.
15244         * soft-fp/floattidf.c: New file.
15245         * soft-fp/floattitf.c: New file.
15246         * soft-fp/floatuntisf.c: New file.
15247         * soft-fp/floatuntidf.c: New file.
15248         * soft-fp/floatuntitf.c: New file.
15249         * soft-fp/fixsfti.c: New file.
15250         * soft-fp/fixdfti.c: New file.
15251         * soft-fp/fixtfti.c: New file.
15252         * soft-fp/fixunssfti.c: New file.
15253         * soft-fp/fixunsdfti.c: New file.
15254         * soft-fp/fixunstfti.c: New file.
15255         * soft-fp/extendxftf.c: New file.
15256         * soft-fp/trunctfxf.c: New file.
15257
15258         * libgcc-std.ver (__extendxftf2): Added to GCC_4.3.0 section.
15259         (__trunctfxf2): Ditto.
15260
15261         * config/i386/libgcc-x86_64-glibc.ver (__addtf3, __divtf3, __eqtf2,
15262         __extenddftf2, __extendsftf2, __fixtfdi, __fixtfsi, __fixtfti,
15263         __fixunstfdi, __fixunstfsi, __fixunstfti, __floatditf, __floatsitf,
15264         __floattitf, __floatunditf, __floatunsitf, __floatuntitf, __getf2,
15265         __letf2, __multf3, __negtf2, __subtf3, __trunctfdf2, __trunctfsf2,
15266         __unordtf2): Exclude and add to GCC_4.3.0 section for x86_64 targets.
15267
15268         * config/i386/t-fprules-softfp64: New file.
15269         * config/i386/sfp-machine.h: New file.
15270         * config.gcc (x86_64-*-linux*, x86_64-*-kfreebsd*-gnu,
15271         x86_64-*-knetbsd*-gnu): Add i386/t-fprules-softfp64
15272         and soft-fp/t-softfp to tmake_file.
15273         (i[34567]86-*-linux*, i[34567]86-*-kfreebsd*-gnu,
15274         i[34567]86-*-knetbsd*-gnu): Ditto for --enable-targets=all.
15275
15276         * config/i386/t-linux64 (softfp_wrap_start): New.
15277         (softfp_wrap_end): New.
15278         * config/i386/i386.c (ix86_scalar_mode_supported): TFmode is
15279         supported for TARGET_64BIT.
15280
15281 2007-05-16  Rafael Avila de Espindola  <espindola@google.com>
15282
15283         * c-common.c (c_common_signed_or_unsigned_type): Emulate
15284         c_common_unsigned_type behavior.
15285
15286 2007-05-16  Paolo Bonzini  <bonzini@gnu.org>
15287
15288         * config/i386/i386.c (legitimize_tls_address): Mark __tls_get_addr
15289         calls as pure.
15290
15291 2007-05-16  Eric Christopher  <echristo@apple.com>
15292
15293         * config/rs6000/rs6000.c (rs6000_emit_prologue): Move altivec register
15294         saving after stack push. Set sp_offset whenever we push.
15295         (rs6000_emit_epilogue): Move altivec register restore before
15296         stack push.
15297
15298 2007-05-16  Richard Sandiford  <richard@codesourcery.com>
15299
15300         * configure.ac: Allow sysroots to be relocated under $prefix as
15301         well as $exec_prefix.
15302         * configure: Regenerate.
15303
15304 2007-05-16  Richard Sandiford  <richard@codesourcery.com>
15305
15306         Revert:
15307
15308         2007-05-12  Richard Sandiford  <richard@codesourcery.com>
15309
15310         * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
15311         (gcc_tooldir): Likewise.
15312         * configure: Regenerate.
15313         * Makefile.in (libsubdir_to_prefix): New variable, based on the
15314         old configure.ac gcc_tooldir setting.
15315         (prefix_to_exec_prefix): New variable.
15316         (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
15317         rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
15318
15319 2007-05-14  Janis Johnson  <janis187@us.ibm.com>
15320
15321         * c-typeck.c (build_binary_op): Return early for error.
15322
15323 2007-05-15  Zdenek Dvorak  <dvorakz@suse.cz>
15324
15325         * tree-ssa-loop-niter.c (record_estimate): Use GGC_NEW to allocate
15326         struct nb_iter_bound.
15327         (free_numbers_of_iterations_estimates_loop): Use ggc_free.
15328         * gengtype.c (open_base_files): Add cfhloop.h to the list of includes.
15329         * cfgloopmanip.c (place_new_loop): Vector larray is gc-allocated.
15330         * tree-scalar-evolution.c: Include gt-tree-scalar-evolution.h.
15331         (struct scev_info_str, scalar_evolution_info): Add GTY markers.
15332         (new_scev_info_str): Use GGC_NEW to allocate struct scev_info_str.
15333         (del_scev_info): Use ggc_free.
15334         (scev_initialize): Allocate scalar_evolution_info in gc memory.
15335         * loop-init.c: Include ggc.h.
15336         (loop_optimizer_init): Use GGC_CNEW to allocate struct loops.
15337         (loop_optimizer_finalize): Use ggc_free.
15338         * tree-ssa-loop.c (pass_tree_unswitch, pass_vectorize,
15339         pass_linear_transfom, pass_empty_loop, pass_complete_unroll,
15340         pass_iv_optimize): Add TODO_ggc_collect.
15341         * function.h (struct function): Remove skip marker from
15342         x_current_loops.
15343         * cfgloop.c: Include ggc.h.
15344         (flow_loops_free, flow_loop_free): Free the loop descriptions in gc
15345         memory.
15346         (establish_preds): Vector superloops is gc allocated.
15347         (alloc_loop): Allocate loop using GGC_CNEW.  Allocate head of
15348         loop->exits list.
15349         (flow_loops_find): Vector larray is gc allocated.
15350         (loop_exit_free): Use ggc_free.
15351         (rescan_loop_exit): Use GGC_NEW to allocate struct loop_exit.  Reflect
15352         that head of exits list is now not a part of struct loop.
15353         (record_loop_exits): Allocate exits table in gc memory.
15354         (get_loop_exit_edges, verify_loop_structure, single_exit): Reflect
15355         that head of exits list is now not a part of struct loop.
15356         * cfgloop.h (struct lpt_decision, struct nb_iter_bound,
15357         struct loop_exit): Add GTY marker.
15358         (struct loop): Add GTY marker.  Make superloops vector gc allocated.
15359         Add skip marker to aux field.  Make head of exits list a separate
15360         object.
15361         (struct loops): Add GTY marker.  Make larray vector gc allocated.
15362         Add param marker to exits table.
15363         (get_loops): Type changed.
15364         * Makefile.in (tree-scalar-evolution.o): Add
15365         gt-tree-scalar-evolution.h dependency.
15366         (cfgloop.o, loop-init.o): Add ggc.h dependency.
15367         (GTFILES): Add cfgloop.h and tree-scalar-evolution.c.
15368         * basic-block.h (struct basic_block_def): Remove skip marker from
15369         loop_father field.
15370
15371 2007-05-14  Uros Bizjak  <ubizjak@gmail.com>
15372
15373         * builtins.c (expand_builtin_mathfn): Use EXPAND_NORMAL instead
15374         of 0 in the call to expand_expr().
15375         (expand_builtin_mathfn_3): Ditto.
15376         (expand_builtin_interclass_mathfn): Ditto.
15377         (expand_builtin_cexpi): Ditto.
15378         (expand_builtin_int_roundingfn): Ditto.
15379         (expand_builtin_int_roundingfn_2): Ditto.
15380         (expand_builtin_pow): Ditto.
15381         (expand_builtin_powi): Ditto.
15382         (expand_builtin_bswap): Ditto.
15383         (expand_builtin_unop): Ditto.
15384         (expand_builtin_fabs): Ditto.
15385         (get_builtin_sync_mem): Use NULL_RTX instead of NULL in
15386         the call to expand_expr().
15387         (expand_builtin_sync_operation): Ditto.
15388         (expand_builtin_compare_and_swap): Ditto.
15389         (expand_builtin_lock_test_and_set): Ditto.
15390         * except.c (expand_builtin_eh_return_data_regno): Use EXPAND_NORMAL
15391         instead of 0 in the call to expand_expr().
15392         (expand_builtin_extract_return_addr): Ditto.
15393         (expand_builtin_eh_return): Ditto.
15394         (expand_eh_return): Ditto.
15395         * explow.c (expr_size): Ditto.
15396         * expr.c (optimize_bitfield_assignment_op): Ditto.
15397         (expand_assignement): Ditto.
15398         (store_expr): Ditto.
15399         (store_field): Ditto.
15400         (expand_expr_addr_expr_1): Use NULL_RTX instead of NULL in
15401         the call to expand_expr().
15402         (expand_expr_real_1) [COMPLEX_CST]: Use EXPAND_NORMAL instead of 0
15403         in the call to expand_expr().
15404         [CONSTRUCTOR, PLUS_EXPR, MINUS_EXPR, NEGATE_EXPR, ABS_EXPR,
15405         BIT_NOT_EXPR, LSHIFT_EXPR, LT_EXPR, TRUTH_NOT_EXPR]: Ditto.
15406         [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO]: Use expand_normal() instead
15407         of expand_expr().
15408         * optabs.c (expand_vec_shift_expr): Ditto.
15409         (expand_vec_cond_expr): Ditto.
15410         (vector_compare_rtx): Use EXPAND_STACK_PARM instead of 1 in the
15411         call to expand_expr().
15412         * stmt.c (expand_return): Use EXPAND_NORMAL instead of 0
15413         in the call to expand_expr().
15414
15415 2007-05-14  Dave Korn  <dave.korn@artimi.com>
15416
15417         * genautomata.c (gen_regexp_el): Allocate correct size for regexp.
15418
15419 2007-05-14  Rafael Avila de Espindola  <espindola@google.com>
15420
15421         * c-common.c (warnings_for_convert_and_check): Use unsigned_type_for
15422         instead of c_common_unsigned_type.
15423         (c_common_unsigned_type): Remove.
15424         (shorten_compare): Use c_common_signed_or_unsigned_type instead of
15425         c_common_unsigned_type.
15426         (c_common_nodes_and_builtins): Use unsigned_type_for instead of
15427         c_common_unsigned_type.
15428         * c-common.h (c_common_unsigned_type): Remove.
15429         * c-decl.c (grokdeclarator): Use unsigned_type_for instead of
15430         c_common_unsigned_type.
15431         * c-format.c (check_format_types): Use unsigned_type_for instead of
15432         c_common_unsigned_type.
15433         * c-objc-common.h (LANG_HOOKS_UNSIGNED_TYPE): Remove.
15434         * c-typeck.c (convert_for_assignment): Use unsigned_type_for instead
15435         of c_common_unsigned_type.
15436         * convert.c (convert_to_integer): Use unsigned_type_for instead of
15437         lang_hooks.types.unsigned_type.
15438         * expmed.c (make_tree): Use unsigned_type_for instead of
15439         lang_hooks.types.unsigned_type.
15440         * fold-const.c (fold_negate_expr): Use unsigned_type_for instead of
15441         lang_hooks.types.unsigned_type.
15442         (build_range_check): Likewise.
15443         (fold_unary): Likewise.
15444         (fold_binary): Likewise.
15445         (fold_ternary): Likewise.
15446         * langhooks-def.h (LANG_HOOKS_UNSIGNED_TYPE): Remove.
15447         * langhooks.h (lang_hooks_for_types): Remove unsigned_type.
15448         * tree.c (get_unsigned_type): New.
15449         (unsigned_type_for): Use get_unsigned_type instead of
15450         lang_hooks.types.unsigned_type.
15451
15452 2007-05-14  Kazu Hirata  <kazu@codesourcery.com>
15453
15454         * config/m68k/m68k-protos.h: Rename m68k_interrupt_function_p
15455         to m68k_get_function_kind.  Update its prototype.
15456         * config/m68k/m68k.c (m68k_attribute_table): Add an entry for
15457         interrupt_thread.
15458         (m68k_interrupt_function_p): Return enum m68k_function_type
15459         instead of bool.  Rename to m68k_get_function_kind.
15460         (m68k_handle_fndecl_attribute): Reject interrupt_thread if the
15461         target is not fido.
15462         (m68k_compute_frame_layout): Don't mark any register for save
15463         if an interrupt_thread attribute is specified.
15464         (m68k_hard_regno_rename_ok): Update a use of
15465         m68k_interrupt_function_p.
15466         * config/m68k/m68k.h (EPILOGUE_USES): Update a use of
15467         m68k_interrupt_function_p.
15468         (m68k_function_type): New.
15469         * config/m68k/m68k.md (*return): Output a 'sleep' instruction
15470         for a function with an interrupt_thread attribute.
15471         * doc/extend.texi: Document the interrupt_thread attribute.
15472
15473 2007-05-13  Daniel Berlin  <dberlin@dberlin.org>
15474
15475         Fix PR tree-optimization/31911
15476         * tree-ssa-pre.c (phi_translate): Make sure to cache results even
15477         if they didn't change the expression.
15478
15479 2007-05-13  Zdenek Dvorak  <dvorakz@suse.cz>
15480
15481         * tree-scalar-evolution.c (resolve_mixers): Exported.
15482         * tree-scalar-evolution.h (resolve_mixers): Declare.
15483         * tree-data-ref.c (object_analysis, ptr_decl_may_alias_p,
15484         ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
15485         record_record_differ_p, record_array_differ_p, array_ptr_differ_p,
15486         base_object_differ_p, base_addr_differ_p, analyze_array_indexes,
15487         init_array_ref, init_pointer_ref, analyze_indirect_ref,
15488         strip_conversion, analyze_offset_expr, address_analysis,
15489         object_analysis, analyze_offset): Removed.
15490         (dr_analyze_innermost, dr_analyze_indices, dr_analyze_alias,
15491         split_constant_offset, canonicalize_base_object_address,
15492         object_address_invariant_in_loop_p, disjoint_objects_p,
15493         dr_may_alias_p, dr_address_invariant_p): New functions.
15494         (create_data_ref): Use dr_analyze_innermost, dr_analyze_indices
15495         and dr_analyze_alias.
15496         (initialize_data_dependence_relation): Use dr_may_alias_p
15497         and object_address_invariant_in_loop_p.
15498         (compute_self_dependence): Handle the case when
15499         DDR_ARE_DEPENDENT (ddr) is chrec_dont_know.
15500         (find_data_references_in_stmt): Restrict the analysis of data
15501         references to the given loop nest.
15502         (find_data_references_in_loop): Made static.  Pass loop nest to
15503         find_data_references_in_stmt.
15504         (compute_data_dependences_for_loop): Use DR_VOPS.
15505         (free_data_ref): Free DR_VOPS.
15506         * tree-data-ref.h (struct first_location_in_loop): Replaced by ...
15507         (struct innermost_loop_behavior): ... new.
15508         (struct base_object_info): Replaced by ...
15509         (struct indices): ... new.
15510         (struct dr_alias): New.
15511         (enum data_ref_type): Removed.
15512         (struct data_reference): Consist of struct innermost_loop_behavior,
15513         struct indices and struct dr_alias.
15514         (DR_SET_ACCESS_FNS, DR_FREE_ACCESS_FNS): Removed.
15515         (DR_MEMTAG): Renamed to ...
15516         (DR_SYMBOL_TAG): ... this.
15517         (find_data_references_in_loop): Declaration removed.
15518         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use DR_INIT
15519         instead of DR_OFFSET_MISALIGNMENT.  DR_ALIGNED_TO is never NULL.
15520         (vect_analyze_data_refs): Use DR_SYMBOL_TAG instead of DR_MEMTAG.
15521         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
15522
15523 2007-05-13  Revital Eres  <eres@il.ibm.com>
15524
15525         * tree-ssa-dse.c (get_use_of_stmt_lhs): New function
15526         which walks virtual def-use chains to find redundant stores.
15527         (dse_optimize_stmt): Call it.
15528
15529 2007-05-12  Steven Bosscher  <steven@gcc.gnu.org>
15530
15531         * gcse.c (gcse_main): Do jump bypassing in CPROP2.
15532         * passes.c (init_optimization_passes): Move pass_jump_bypass
15533         after loop2.
15534
15535         * basic-block.h (bb_has_eh_pred): Fix style issue.
15536
15537 2007-05-12  Steven Bosscher  <steven@gcc.gnu.org>
15538
15539         PR rtl-optimization/31848
15540         * loop-invariant.c (move_invariant_reg): If we move an insn
15541         with a REG_EQUAL note, and that insn is not always executed,
15542         remove the REG_EQUAL note.
15543
15544 2007-05-12  Richard Guenther  <rguenther@suse.de>
15545
15546         PR tree-optimization/31797
15547         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Do not
15548         propagate into a stmt that has volatile ops.
15549
15550 2007-05-12  Richard Sandiford  <richard@codesourcery.com>
15551
15552         * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
15553         (gcc_tooldir): Likewise.
15554         * configure: Regenerate.
15555         * Makefile.in (libsubdir_to_prefix): New variable, based on the
15556         old configure.ac gcc_tooldir setting.
15557         (prefix_to_exec_prefix): New variable.
15558         (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
15559         rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
15560
15561 2007-05-11  Silvius Rus  <rus@google.com>
15562
15563         * Makefile.in (OBJS-common): Add tree-ssa-alias-warnings.o.
15564         * c-common.c (strict_aliasing_warning): Modify -Wstrict-aliasing logic.
15565         * c-common.h (strict_aliasing_warning): Change return type.
15566         * c-opts.c (c_common_handle_option): Add call to set_Wstrict_aliasing.
15567         * c-typeck.c (build_indirect_ref): Add call to strict_aliasing_warning.
15568         (build_c_cast): Condition call to strict_aliasing_warning.
15569         * doc/invoke.texi: Update description of -Wstrict-aliasing[=n].
15570         * flags.h (set_Wstrict_aliasing): Declare.
15571         * opts.c (set_Wstrict_alising): Define, add call to.
15572         * tree-flow.h (strict_aliasing_warning_backend): Declare.
15573         * tree-ssa-alias-warnings.c: New file.
15574         * tree-ssa-alias.c (compute_may_aliases): Add call to
15575         strict_aliasing_warning_backend.
15576
15577 2007-05-11  Zdenek Dvorak  <dvorakz@suse.cz>
15578
15579         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
15580         Use loop_depth and loop_outer accessor functions.
15581         * tree-ssa-loop-im.c (outermost_invariant_loop, set_level,
15582         determine_invariantness_stmt, move_computations_stmt): Ditto.
15583         * cfgloopmanip.c (fix_bb_placement, fix_loop_placement, remove_path,
15584         add_loop, loopify, unloop, fix_loop_structure): Ditto.
15585         * tree-ssa-loop-manip.c (find_uses_to_rename_use): Ditto.
15586         * tree-scalar-evolution.c (interpret_loop_phi,
15587         compute_scalar_evolution_in_loop, analyze_scalar_evolution_in_loop,
15588         instantiate_parameters_1, scev_const_prop): Ditto.
15589         * cfghooks.c (make_forwarder_block): Ditto.
15590         * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
15591         * modulo-sched.c (loop_canon_p): Ditto.
15592         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
15593         slpeel_can_duplicate_loop_p): Ditto.
15594         * lambda-code.c (invariant_in_loop_and_outer_loops): Ditto.
15595         * tree-cfg.c (tree_duplicate_sese_region): Ditto.
15596         * cfgloop.c (flow_loop_dump, flow_loop_nodes_find, rescan_loop_exit,
15597         cancel_loop, verify_loop_structure): Ditto.
15598         (flow_loop_nested_p, superloop_at_depth, flow_loop_free,
15599         add_bb_to_loop, remove_bb_from_loops, find_common_loop): Use the
15600         superloops vector instead of "pred" array.
15601         (establish_preds): Take father loop as an argument.  Initialize the
15602         superloops vector.
15603         (flow_loop_tree_node_add): Pass father loop to establish_preds.
15604         Do not initialize loop->outer.
15605         (flow_loop_tree_node_remove): Truncate the superloops vector.
15606         * cfgloop.h (struct loop): Removed field "outer", fields "depth" and
15607         "pred" merged to "superloops" vector.
15608         (loop_depth, loop_outer): New.
15609         (fel_init): Use loop_outer.
15610
15611 2007-05-11  Jan Hubicka  <jh@suse.cz>
15612
15613         * cgraphunit.c: Include gt-cgraphunit.h
15614         (static_ctors, static_dtors): New static vars.
15615         (record_cdtor_fn, build_cdtor, cgraph_build_cdtor_fns): New functions,
15616         based on implementation in c-common.c
15617         (cgraph_finalize_function): Call record_cdtor_fn.
15618         (cgraph_optimize): Call cgraph_build_cdtor_fns.
15619         * decl.c (finish_function): Do not call c_record_cdtor_fn.
15620         (c_write_global_declarations): Do not call c_build_cdtor_fns.
15621         * c-common.c (static_ctors, static_dtors, c_record_cdtor_fn,
15622         build_cdtor, c_build_cdtor_fns): Remove.
15623         * c-common.h (static_ctors, static_dtors, c_record_cdtor_fn,
15624         c_build_cdtor_fns): Remove prototype.
15625
15626 2007-05-11  Paolo Carlini  <pcarlini@suse.de>
15627
15628         PR other/31852
15629         * builtin-types.def: Add BT_FN_PTR_CONST_PTR_INT_SIZE.
15630         * builtins.def: Add BUILT_IN_MEMCHR, use the latter.
15631         * builtins.c (fold_builtin_memchr): New.
15632         (expand_builtin_memchr): Call the latter.
15633         (expand_builtin, fold_builtin_3): Deal with BUILT_IN_MEMCHR.
15634         * doc/extend.texi ([Other built-in functions provided by GCC]):
15635         Document memchr.
15636
15637 2007-05-11  Andreas Krebbel  <krebbel1@de.ibm.com>
15638
15639         * config/s390/s390.md (GPR0_REGNUM, FPR0_REGNUM, FPR2_REGNUM,
15640         PFPO_CONVERT, PFPO_OP_TYPE_SF, PFPO_OP_TYPE_DF, PFPO_OP_TYPE_TF,
15641         PFPO_OP_TYPE_SD, PFPO_OP_TYPE_DD, PFPO_OP_TYPE_TD, PFPO_OP0_TYPE_SHIFT,
15642         PFPO_OP1_TYPE_SHIFT): Constants added.
15643         (DFP_ALL): Mode macro defined.
15644         ("*trunc<BFP:mode><DFP_ALL:mode>2", "*trunc<DFP_ALL:mode><BFP:mode>2",
15645         "*extend<BFP:mode><DFP_ALL:mode>2", "*extend<DFP_ALL:mode><BFP:mode>2"):
15646         Insn definitions added.
15647         ("trunc<BFP:mode><DFP_ALL:mode>2", "trunc<DFP_ALL:mode><BFP:mode>2",
15648         "extend<BFP:mode><DFP_ALL:mode>2", "extend<DFP_ALL:mode><BFP:mode>2"):
15649         Expanders added.
15650
15651 2007-05-10  Zdenek Dvorak  <dvorakz@suse.cz>
15652
15653         PR tree-optimization/31885
15654         * tree-chrec.c (chrec_contains_undetermined): Do not consider
15655         NULL_TREE to be undetermined.
15656         (automatically_generated_chrec_p): Return false for NULL.
15657
15658 2007-05-08  Bernd Schmidt  <bernd.schmidt@analog.com>
15659
15660         * config/bfin/bfin.h (MOVE_RATIO): Define.
15661
15662 2007-05-10  Richard Sandiford  <richard@codesourcery.com>
15663
15664         * config.gcc (sparc-wrs-vxworks): New target.
15665         * config/sparc/vxworks.h, config/sparc/t-vxworks: New files.
15666         * config/sparc/sparc-protos.h (sparc_emit_call_insn): Declare.
15667         * config/sparc/sparc.h: Include vxworks-dummy.h.
15668         (PRINT_OPERAND_ADDRESS): Extend SYMBOL_REF handling to
15669         include LABEL_REFs too.
15670         * config/sparc/sparc.c (sparc_expand_move): Don't assume that
15671         _GLOBAL_OFFSET_TABLE_ - label_ref is a link-time constant on
15672         VxWorks.
15673         (legitimize_pic_address): Handle LABEL_REFs like SYMBOL_REFs
15674         on VxWorks.
15675         (load_pic_register): Use gen_vxworks_load_got for VxWorks.
15676         (sparc_emit_call_insn): New function.
15677         (sparc_function_ok_for_sibcall): Restrict sibcalls to locally-binding
15678         functions when generating VxWorks PIC.
15679         * config/sparc/sparc.md (vxworks_load_got): New pattern.
15680         (call, call_value): Use sparc_emit_call_insn instead of
15681         emit_call_insn.
15682
15683 2007-05-09  Bob Wilson  <bob.wilson@acm.org>
15684
15685         * config/xtensa/xtensa.c (xtensa_output_literal): Don't use #if.
15686
15687 2007-05-09  Bob Wilson  <bob.wilson@acm.org>
15688
15689         * config/xtensa/xtensa.c (xtensa_output_literal): Mask out high bits
15690         for floating-point values if HOST_BITS_PER_LONG > 32.  Use
15691         split_double instead of operand_subword.
15692
15693 2007-05-08  Bernd Schmidt  <bernd.schmidt@analog.com>
15694
15695         * config/bfin/bfin.h (LOCAL_ALIGNMENT): Define.
15696         * config/bfin/bfin.c (bfin_local_alignment): New function.
15697         * config/bfin/bfin-protos.h (bfin_local_alignment): Declare it.
15698
15699 2007-05-08  Chao-ying Fu  <fu@mips.com>
15700
15701         * doc/md.texi (msub@var{m}@var{n}4, usub@var{m}@var{n}4): Document.
15702         * optabs.h (OTI_smsub_widen, OTI_umsub_widen): New optab_indexes.
15703         (smsub_widen_optab, umsub_widen_optab): Define.
15704         * optabs.c (init_optabs): Initialize smsub_widen_optab and
15705         umsub_widen_optab.
15706         * genopinit.c (optabs): Fill in smsub_widen_optab and
15707         umsub_widen_optab.
15708         * expr.c (expand_expr_real_1): Try to use smsub_widen_optab
15709         and umsub_widen_optab to implement multiply-subtract sequences.
15710         * config/mips/mips.md (*msac<u>_di): Rename to...
15711         (<u>msubsidi4): ...this.  Extend condition to include
15712         GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
15713         of operand 0 to "ka" and use the three-operand form of msub<u>
15714         for TARGET_DSPR2.
15715         * config/mips/mips-dspr2.md (mips_msub, mips_msubu): Convert
15716         to define_expands.
15717
15718 2007-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
15719
15720         PR rtl-optimization/28011
15721         * reload.c (push_reload): Set dont_share if IN appears in OUT
15722         also when IN is a PLUS rtx.
15723         (reg_overlap_mentioned_for_reload_p): Return true if X and IN
15724         are same PLUS rtx.
15725
15726 2007-05-08  Kazu Hirata  <kazu@codesourcery.com>
15727
15728         * emit-rtl.c (unshare_all_rtl_1): Don't copy DECL_RTL.  Don't
15729         call unshare_all_decls.
15730         (unshare_all_rtl): Adjust the call to unshare_all_rtl_1.
15731         (unshare_all_decls): Remove.
15732
15733 2007-05-08  Simon Martin  <simartin@users.sourceforge.net>
15734
15735         PR 31847
15736         * tree-dump.c (dump_options): Don't use TDF_DIAGNOSTIC in "*-all" tree
15737         dumps.
15738
15739 2007-05-08  Sandra Loosemore  <sandra@codesourcery.com>
15740             Nigel Stephens  <nigel@mips.com>
15741
15742         * config/mips/mips.h (MAX_FPRS_PER_FMT): Renamed from FP_INC.
15743         Update comments and all uses.
15744         (MIN_FPRS_PER_FMT): Define.
15745         * config/mips/mips.c (function_arg): Fix to correctly handle
15746         the -mips32r2 -mfp64 -mabi=32 case.
15747         (override_options): Enable use of odd-numbered registers for
15748         SFmode values on MIPS32.
15749         (mips_save_reg_p): Save whole floating-point register pair if
15750         either half is used.
15751         (compute_frame_size): Fix comment.
15752
15753 2007-05-08  Jie Zhang  <jie.zhang@analog.com>
15754
15755         * config/bfin/bfin-protos.h (bfin_expand_epilogue): Add a third
15756         argument of type bool.
15757         * config/bfin/bfin.c (add_to_reg): Add epilogue_p as a fourth
15758         argument. Safely select temporary P register according to it.
15759         (do_link): Change call site of add_to_reg accordingly.
15760         (do_unlink): Add epilogue_p as a fourth argument and pass it
15761         to add_to_reg.
15762         (expand_interrupt_handler_epilogue): Change call of do_unlink
15763         accordingly.
15764         (bfin_expand_prologue): Add a third argument sibcall_p.
15765         * config/bfin/bfin.md (epilogue): Change call of
15766         bfin_expand_epilogue accordingly.
15767         (sibcall_epilogue): Likewise.
15768         (eh_return_internal): Likewise.
15769
15770         * config/bfin/bfin-protos.h (enum bfin_cpu): Add
15771         BFIN_CPU_BF534, BFIN_CPU_BF536 and BFIN_CPU_BF561.
15772         * config/bfin/bfin.c (bfin_handle_option): Handle
15773         -mcpu=bf534, -mcpu=bf536 and -mcpu=bf561.
15774         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS):
15775         Support bf534, bf536 and bf561.
15776         * doc/invoke.texi (Blackfin Options): Document -mcpu and -msim.
15777
15778 2007-05-08  Uros Bizjak  <ubizjak@gmail.com>
15779
15780         PR target/31854
15781         * config/i386/i386.c (ix86_function_regparm): Process local
15782         functions only when TREE_CODE (decl) equals FUNCTION_DECL.
15783
15784 2007-05-07  Mike Stump  <mrs@apple.com>
15785
15786         * doc/invoke.texi (Warning Options): Document that -Wempty-body
15787         also checks for and while statements in C++.
15788
15789 2007-05-07  Nathan Froyd  <froydnj@codesourcery.com>
15790
15791         * gcc.c (at_file_supplied): New variable.
15792         (main): Set it if we expanded argv.
15793         (do_spec_1): Pass an @-file to the linker if we were called with
15794         an @-file argument and HAVE_GNU_LD.
15795         * collect2.c (at_file_supplied): New variable.
15796         (response_file): New variable.
15797         (collect_exit): Unlink response_file if necessary.
15798         (handler): Likewise.
15799         (do_wait): Likewise.
15800         (main): Set at_file_supplied if we expanded argv.
15801         (collect_execute): Pass an @-file to subprocesses if we were called
15802         with an @-file argument.
15803         * configure.ac: Add define for HAVE_GNU_LD.
15804         * configure: Regenerate.
15805         * config.in: Regenerate.
15806
15807 2007-05-07  Naveen.H.S  <naveen.hs@kpitcummins.com>
15808
15809         * config/m32c/muldiv.md (mulhisi3_c): Limit the mode of the 2nd
15810         operand to HI mode.
15811         (mulsi3): New.
15812         (divsi3): New.
15813         (udivsi3): New.
15814
15815 2007-05-07  Jayant Sonar  <jayants@kpitcummins.com>
15816
15817         * config/m32c/m32c.c (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
15818         (TARGET_ENCODE_SECTION_INFO): Re-define.
15819         (m32c_encode_section_info): New
15820         (function_vector_handler): New
15821         (current_function_special_page_vector): New
15822         (m32c_special_page_vector_p): New.
15823         * config/m32c/m32c-protos.h (m32c_special_page_vector_p):
15824         Prototype.
15825         * config/m32c/jump.md: Added instruction JSRS for functions
15826         with attribute "function_vector".
15827         * doc/extend.texi (function_vector): Added description
15828         for M16C, M32C targets.
15829
15830 2007-05-07  DJ Delorie  <dj@redhat.com>
15831
15832         PR 31794
15833         * config/m32c/shift.md (ashlpsi3_i, ashrpsi3_i, ashlpsi3,
15834         ashrpsi3, lshrpsi3): Update shift count constraint.
15835
15836 2007-05-07  Danny Smith  <dannysmith@users.sourceforge.net>
15837             Nathan Froyd  <froydnj@codesourcery.com>
15838
15839         PR 22133
15840         * c-incpath.c (add_path): Strip trailing path separators.
15841
15842 2007-05-07  Eric Botcazou  <ebotcazou@adacore.com>
15843
15844         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Reset cfg_altered.
15845         Free dominance info before purging EH edges.
15846         (eliminate_degenerate_phis): Likewise.
15847         (propagate_rhs_into_lhs): Set cfg_altered to true instead of 1.
15848
15849 2007-05-07  Jan Hubicka  <jh@suse.cz>
15850
15851         * gimplify.c (gimplify_expr): Do not crash when folding
15852         (void *)(int)&a + 4.
15853
15854 2007-05-07  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
15855
15856         PR driver/31694
15857         * c-opts.c (lang_fortran): Make it non static.
15858         * c-common.h (lang_fortran): New prototype.
15859         * c-cppbuiltin.c (c_cpp_builtins): Create a __GFORTRAN__ if the
15860         -lang-fortran option was passed by the driver.
15861
15862 2007-05-06  Eric Botcazou  <ebotcazou@adacore.com>
15863
15864         * timevar.c (timevar_print): Test ENABLE_ASSERT_CHECKING instead
15865         of ASSERT_CHECKING.  Tweak message.
15866
15867 2007-05-06  Revital Eres  <eres@il.ibm.com>
15868
15869         PR 30957
15870         * loop-unroll.c (insert_var_expansion_initialization):
15871         Initialize the expansions with -zero instead of +zero.
15872
15873 2007-05-05  Aurelien Jarno  <aurelien@aurel32.net>
15874
15875         * config/pa/pa.md: Split tgd_load, tld_load and tie_load
15876         into pic and non-pic versions. Mark r19 as used for
15877         tgd_load_pic, tld_load_pic and tie_load_pic. Mark r27 as used
15878         for tgd_load, tld_load and tie_load .
15879         * config/pa/pa.c (legitimize_tls_address): Emit pic or non-pic
15880         version of tgd_load, tld_load and tie_load depending on the
15881         value of flag_pic.
15882
15883 2007-05-04  Ulrich Drepper  <drepper@redhat.com>
15884             Jakub Jelinek  <jakub@redhat.com>
15885
15886         * crtstuff.c (HIDDEN_DTOR_LIST_END): New macro.
15887         (__do_global_dtors_aux): Use more paranoid loop to run
15888         destructors if HIDDEN_DTOR_LIST_END.
15889         (__DTOR_END__): Export as a hidden symbol when HIDDEN_DTOR_LIST_END.
15890
15891 2007-05-04  Jakub Jelinek  <jakub@redhat.com>
15892
15893         * varasm.c (align_variable): Don't increase alignment for
15894         DECL_THREAD_LOCAL_P variables above BITS_PER_WORD through
15895         DATA_ALIGNMENT or CONSTANT_ALIGNMENT.
15896
15897 2007-05-04  Josh Conner  <jconner@apple.com>
15898
15899         * basic-block.h (cdi_direction): Assign values to all enumeration
15900         constants.
15901         (dom_computed): Remove.
15902         (dom_info_state): New.
15903         (set_dom_info_availability): New.
15904         * tree-ssa-loop-im.c (determine_invariantness): Initialize
15905         walk_data.dom_direction.
15906         * cfghooks.c (delete_basic_block): Use dom_info_available_p()
15907         instead of dom_computed[].
15908         (split_edge): Likewise.
15909         (create_basic_block): Likewise.
15910         (merge_blocks): Likewise.
15911         * ifcvt.c (find_if_header): Likewise.
15912         * tree-cfgcleanup.c (cleanup_tree_cfg): Likewise.
15913         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
15914         * tree-ssa.c (verify_ssa): Likewise.
15915         * tree-cfg.c (tree_verify_flow_info): Likewise.
15916         (remove_edge_and_dominated_blocks): Likewise.
15917         * dominance.c (dom_computed): Make static.
15918         (calc_dfs_tree_nonrec): Change third param to a bool.
15919         (calc_dfs_tree): Change second param to a bool.
15920         (calc_idioms): Change second param to a bool.  Use
15921         dom_convert_dir_to_idx.
15922         (init_dom_info): Validate dir before using.
15923         (dom_convert_dir_to_idx): New.
15924         (calculate_dominance_info): Use dom_convert_dir_to_idx.  New
15925         variable 'reverse' used for calling calc_dfs_tree and calc_idoms.
15926         (free_dominance_info): Use dom_convert_dir_to_idx.
15927         (get_immediate_dominator): Likewise.
15928         (set_immediate_dominator): Likewise.
15929         (get_dominated_by): Likewise.
15930         (redirect_immediate_dominators): Likewise.
15931         (nearest_common_denominator): Likewise.
15932         (dominated_by_p): Likewise.
15933         (bb_dom_dfs_in): Likewise.
15934         (bb_dom_dfs_out): Likewise.
15935         (recount_dominator): Likewise.
15936         (iterate_fix_dominators): Likewise.
15937         (add_to_dominance_info): Likewise.
15938         (delete_from_dominance_info): Likewise.
15939         (first_dom_son): Likewise.
15940         (next_dom_son): Likewise.
15941         (dom_info_available_p): Likewise.
15942         (dom_info_state): New.
15943         (set_dom_info_availability): New.
15944
15945 2007-05-04  Andreas Krebbel  <krebbel1@de.ibm.com>
15946
15947         * config/s390/s390.md ("fix_trunc<mode>di2", "fix_trunc<mode>si2"):
15948         Expander removed.
15949         ("fix_trunc<DSF:mode><GPR:mode>2"): Expander added.
15950
15951 2007-05-04  Bob Wilson  <bob.wilson@acm.org>
15952
15953         * config/xtensa/xtensa.md (adddi3, adddi_carry): Delete.
15954         (subdi3, subdi_carry): Delete.
15955
15956 2007-05-04  Jan Hubicka  <jh@suse.cz>
15957             Richard Guenther  <rguenther@suse.de>
15958
15959         * opts.c (decode_options): Do not fiddle with inlining
15960         parameters in case of optimizing for size.
15961         * ipa-inline.c (cgraph_decide_recursive_inlining): When optimizing
15962         for size do nothing.
15963         (cgraph_decide_inlining_of_small_function): When optimizing for
15964         size never inline functions increasing caller size.
15965         (cgraph_early_inlining): Inline for size when optimizing for size.
15966
15967 2007-05-04  Bernd Schmidt  <bernd.schmidt@analog.com>
15968
15969         * config/bfin/bfin.md (<optab>di3): Now a define_expand which expands
15970         logical operations piecewise.
15971         (<optab>di_zesidi_di, <optab>di_sesidi_di, negdi2, one_cmpldi2,
15972         zero_extendsidi2, subdi_di_zesidi, subdi_zesidi_di, subdi_di_sesidi,
15973         subdi_sesidi_di): Delete.
15974         (add_with_carry): Produce carry in CC instead of a DREG to shorten
15975         the generated sequence.  Allow three-reg add in constraints.  Rewrite
15976         the rtl expression for carry to avoid zero_extend of a constant.
15977         (sub_with_carry): New pattern.
15978         (adddi3, subdi3): Change into define_expand.  For subtract, generate a
15979         different sequence not involving jumps.
15980         (notbi): Now a named pattern.
15981
15982 2007-05-04  Bradley Lucier  <lucier@math.purdue.edu>
15983
15984         * doc/invoke.texi (i386 and x86-64 Options) [-mpc32, -mpc64, -mpc80]:
15985         Add the note about a significant loss of accuracy of some
15986         mathematical routines when these options are used.
15987
15988 2007-05-04  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
15989
15990         * haifa-sched.c (rtx_vec_t): New typedef.
15991         (contributes_to_priority_p): Extract piece of priority () into new
15992         static function.
15993         (priority): Use the function.  Add assertion.
15994         (rank_for_schedule, set_priorities): Add assertion to check that
15995         insn's priority is initialized.
15996         (clear_priorities, calc_priorities): Change signature.  Make it update
15997         all relevant insns.  Update all callers ('add_to_speculative_block ()'
15998         and 'create_block_check_twin ()').
15999         * sched-int.h (struct haifa_insn_data): Remove field 'priority_known'.
16000         Add new field 'priority_status'.
16001         (INSN_PRIORITY_STATUS): New macro.
16002         (INSN_PRIORITY_KNOWN): Change to use INSN_PRIORITY_STATUS.
16003
16004 2007-05-04  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
16005
16006         * sched-ebb.c (debug_ebb_dependencies): New static function.
16007         (init_ready_list): Use it.
16008
16009         * sched-rgn.c (debug_dependencies): Split into 'debug_dependencies ()'
16010         with changed signature and 'debug_rgn_dependencies ()'.
16011         (debug_rgn_dependencies): New static function.
16012         (init_ready_list): Use it.
16013
16014         * sched-int.h (debug_dependencies): Declare.
16015
16016 2007-05-04  Andreas Krebbel  <krebbel1@de.ibm.com>
16017
16018         * libgcc-std.ver (__ffssi2): Added to GCC_4.3.0 section.
16019
16020 2007-05-04  Dirk Mueller  <dmueller@suse.de>
16021
16022         * c.opt(Wmain,ffreestanding): Enable for C++,ObjC++.
16023
16024 2007-05-03  Jan Hubicka  <jh@suse.cz>
16025
16026         * fold-const.c (fold_unary): Convert (T1)(X op Y) into
16027         ((T1)X op (T1)Y), for pointer type in more cases than before.
16028
16029         * gimplify.c (gimplify_expr): Fold (void *)&a + 4.
16030
16031         * tree-object-size.c (plus_expr_object_size): When operand size is
16032         unknown, return unknown.
16033
16034 2007-05-03  Dirk Mueller  <dmueller@suse.de>
16035
16036         * doc/invoke.texi (-m386,-m486,-mpentium,-mpentiumpro): Remove.
16037
16038         * config/i386/i386.h (CC1_CPU_SPEC): Remove handling for deprecated
16039         options.
16040
16041         * config/i386/i386.opt (m386,m486,mpentium,mpentiumpro): Remove.
16042
16043 2007-05-03  Janis Johnson  <janis187@us.ibm.com>
16044
16045         * doc/sourcebuild.texi (Test Directives) Clarify dg-excess-errors.
16046
16047 2007-05-03  Joseph Myers  <joseph@codesourcery.com>
16048
16049         * config/soft-fp/double.h, config/soft-fp/extended.h,
16050         config/soft-fp/floatundidf.c, config/soft-fp/floatundisf.c,
16051         config/soft-fp/floatunsidf.c, config/soft-fp/floatunsisf.c,
16052         config/soft-fp/op-2.h, config/soft-fp/op-4.h,
16053         config/soft-fp/op-common.h, config/soft-fp/quad.h: Update from
16054         glibc CVS.
16055
16056 2007-05-03  Ian Lance Taylor  <iant@google.com>
16057
16058         * config/rs6000/rs6000.c (rs6000_override_options): Don't set
16059         MASK_PPC_GFXOPT for 8540 or 8548.
16060
16061 2007-05-03  Uros Bizjak  <ubizjak@gmail.com>
16062
16063         * tree-vect-transform.c (vect_update_inits_of_drs): Use
16064         vect_print_dump_info() to output debug information.
16065
16066 2007-05-03  Uros Bizjak  <ubizjak@gmail.com>
16067
16068         PR target/31768
16069         * config/i386/i386.c (print_operand) ['z']: Output 'w' for
16070         operands of size 2 when operand is not MEM_P.
16071
16072 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
16073
16074         PR tree-optimization/30565
16075         * lambda-code.c (perfect_nestify): Fix updating of dominators.
16076
16077 2007-05-03  Bernd Schmidt  <bernd.schmidt@analog.com>
16078
16079         * config/bfin/bfin.md (addpdi3, us_truncpdisi2): New patterns.
16080         (umulsi3_highpart): Use them.
16081         * config/bfin/lib1funcs.asm (__umulsi3_highpart): Use unsigned move
16082         for final accumulator to D regisster tranfser.
16083
16084 2007-05-03  Dorit Nuzman  <dorit@il.ibm.com>
16085
16086         PR tree-optimization/31699
16087         * tree-vect-analyze.c (vect_update_misalignment_for_peel): Remove
16088         wrong code.
16089         (vect_enhance_data_refs_alignment): Compute peel amount using
16090         TYPE_VECTOR_SUBPARTS instead of vf.
16091         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Likewise.
16092
16093 2007-05-02  Brooks Moses  <brooks.moses@codesourcery.com>
16094
16095         PR bootstrap/31776
16096         * system.h: Remove inclusion of double-int.h
16097         * tree.h: Include double-int.h
16098         * gengtype.c: Likewise
16099         * cfgloop.h: Likewise
16100         * Makefile.in: Adjust dependencies on double-int.h
16101
16102 2007-05-02  Eric Christopher  <echristo@apple.com>
16103
16104         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Translate
16105         -shared to -Zdynamiclib.
16106
16107 2007-05-02  Seongbae Park  <seongbae.park@gmail.com>
16108
16109         PR c++/31663
16110         * c-common.c (strip_pointer_or_array_types): New function.
16111         * c-common.h (strip_pointer_or_array_types): New function declaration.
16112
16113 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
16114
16115         PR tree-optimization/31771
16116         * tree-cfg.c (move_block_to_fn): Assign bb to the correct index.
16117
16118 2007-05-02  Paul Brook  <paul@codesourcery.com>
16119
16120         * config/arm/bpabi.S (aeabi_lcmp): Fix result on overflow.
16121
16122 2007-05-02  Andrew Pinski  <andrew_pinski@playstation.sony.com>
16123
16124         PR middle-end/29715
16125         * fold-const.c (fold_comparision): Remove the "foo++ == CONST"
16126         transformation.
16127
16128 2007-05-02  Nick Clifton  <nickc@redhat.com>
16129
16130         * config/frv/predicates.md (symbolic_operand): Accept CONSTs.
16131
16132 2007-05-02  Richard Guenther  <rguenther@suse.de>
16133
16134         PR tree-optimization/31146
16135         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
16136         argument, single_use_p.  If we have a single use that is
16137         a conversion to the definition rhs type, propagate that rhs.
16138         (forward_propagate_addr_expr): Pass single_use_p argument
16139         to forward_propagate_addr_expr_1.
16140
16141 2007-05-01  H.J. Lu  <hongjiu.lu@intel.com>
16142
16143         * config/i386/i386.c (ix86_expand_sse_comi): Remove unused
16144         variable.
16145
16146 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
16147
16148         * doc/invoke.texi: Fix typo, 'AMD Family 10h core' instead of
16149         'AMD Family 10 core'.
16150
16151 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
16152
16153         * config/i386/i386.c (override_options): Accept k8-sse3, opteron-sse3
16154         and athlon64-sse3 as improved versions of k8, opteron and athlon64
16155         with SSE3 instruction set support.
16156         * doc/invoke.texi: Likewise.
16157
16158 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
16159
16160         * config/i386/i386.c (override_options): Tuning 32-byte loop
16161         alignment for amdfam10 architecture. Increasing the max loop
16162         alignment to 24 bytes.
16163
16164 2007-05-01  Kazu Hirata  <kazu@codesourcery.com>
16165
16166         * config/m68k/constraints.md: New.
16167         * config/m68k/m68k.h (REG_CLASS_FROM_LETTER,
16168         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
16169         EXTRA_CONSTRAINT): Remove.
16170         * config/m68k/m68k.md: Include constraints.md.
16171         * expr.c (expand_expr_real_1): Copy DECL_RTL before using it.
16172
16173 2007-05-01  Ian Lance Taylor  <iant@google.com>
16174
16175         PR tree-optimization/31739
16176         * tree-vrp.c (vrp_val_is_max): New static function.
16177         (vrp_val_is_min): New static function.
16178         (set_value_range_to_value): Use TYPE_{MAX,MIN}_VALUE rather than
16179         copying the node.
16180         (set_value_range): Use vrp_val_is_{max,min}.
16181         (extract_range_from_assert): Likewise.
16182         (extract_range_from_binary_expr): Likewise.
16183         (extract_range_from_unary_expr): Likewise.
16184         (dump_value_range, vrp_meet): Likewise.
16185         (vrp_visit_phi_node): Likewise.
16186         * tree.c (build_distinct_type_copy): Revert change of 2007-04-27.
16187
16188 2007-05-01  Mark Mitchell  <mark@codesourcery.com>
16189
16190         * config/i386/gmon-sol2.c (size_t): New type.
16191         (intptr_t): Likewise.
16192         (s_textsize): Declare as size_t.
16193         (sbrk): Declare.
16194         (monstartup): Use size_t for sizes.
16195         (_mcount): Save and restore registers.
16196         (internal_mcount): Pass 0 as the first argument to monstartup
16197         in 64-bit mode.
16198         (moncontrol): Convert pointer to appropriately sized integer
16199         before passing to profil.
16200
16201 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
16202
16203         * config/rs6000/darwin-ldouble.c (__gcc_qunord): Define if
16204         __NO_FPRS__, not just if _SOFT_DOUBLE.
16205         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qunord): Likewise.
16206         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use __gcc_qunord
16207         also for E500 double.
16208         * config/rs6000/rs6000.md (buneq, bunge, bungt, bunle, bunlt,
16209         suneq, sunge, sungt, sunle, sunlt): Disable for (TARGET_HARD_FLOAT
16210         && !TARGET_FPRS).
16211
16212 2007-05-01  Richard Guenther  <rguenther@suse.de>
16213
16214         * tree-ssa-loop-manip.c (ip_normal_pos): Check if last stmt
16215         is NULL.
16216
16217 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
16218
16219         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qgt): Fix typo.
16220
16221 2007-05-01  Jan Hubicka  <jh@suse.cz>
16222
16223         * tree-vectorize.c (vect_is_simple_use): gimple_min_invariant is
16224         invariant.
16225
16226 2007-05-01  Jan Hubicka  <jh@suse.cz>
16227
16228         * tree.h (maybe_fold_offset_to_component_ref): Remove.
16229         (maybe_fold_offset_to_reference): Declare.
16230         * fold-const.c (fold_unary): Do not fold
16231         (type *)&A into &A->field_of_type_and_offset_0
16232         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): When base type
16233         size is unknown, give up.
16234         (maybe_fold_offset_to_component_ref): Ignore firelds with unknown
16235         offsets.
16236         (maybe_fold_offset_to_reference): New.
16237         (maybe_fold_stmt_indirect): Use it.
16238         (fold_stmt_r): Fold (type *)&A+offset into A->field_if_type_and_offset.
16239         * gimplify.c (gimplify_conversion): Canonicalize conversions to
16240         field references.
16241         (gimplify_expr): Likewise for plus_expr.
16242
16243 2007-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
16244
16245         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Use
16246         bsi_after_labels.  Always insert statements before bsi.
16247         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
16248         * predict.c (apply_return_prediction): Check for empty blocks.
16249         * cfgexpand.c (lab_rtx_for_bb): New variable.
16250         (label_rtx_for_bb): Do not create new tree labels.
16251         (expand_gimple_basic_block): Add labels recorded in lab_rtx_for_bb.
16252         (tree_expand_cfg): Initialize lab_rtx_for_bb.
16253         * tree-cfg.c (build_tree_cfg): Call cleanup_dead_labels after
16254         creating edges.
16255         (label_for_bb): Add field used.
16256         (update_eh_label, main_block_label): Mark the label used.
16257         (cleanup_dead_labels): Remove unused labels.
16258
16259 2007-05-01  Richard Guenther  <rguenther@suse.de>
16260
16261         * tree-vrp.c (set_value_range): Do not allocate equiv bitmap
16262         if it is not about to be set.
16263         (get_value_range): Do not pre-allocate equiv bitmap.
16264         (update_value_range): No need to clear equiv field.
16265         (add_equivalence): Change prototype to get bitmap pointer.
16266         Allocate bitmap here if it is not already.
16267         (extract_range_from_assert): Do not allocate bitmap here.
16268         Update callers to add_equivalence.
16269         (extract_range_from_ssa_name): Likewise.
16270         (get_vr_for_comparison): New static helper.
16271         (compare_name_with_value): Handle NULL equiv bitmap by
16272         peeling the first iteration of the comparison loop.
16273         Use get_vr_for_comparison.
16274         (compare_names): Handle NULL equiv bitmaps by using fake
16275         ones.  Use get_vr_for_comparison.
16276
16277 2007-04-30  Brooks Moses  <brooks.moses@codesourcery.com>
16278
16279         * double-int.c (mpz_set_double_int): Moved from
16280         tree-ssa-loop-niter.c.
16281         (mpz_get_double_int): Likewise; also, add option to wrap
16282         out-of-range integers.
16283         * double-int.h: New prototypes for above.
16284         * tree.c (get_static_type_bounds): Moved from
16285         tree-ssa-loop-niter.c; now returns TYPE_MIN_VALUE and
16286         TYPE_MAX_VALUE if they exist..
16287         * tree.h: New prototype for above.
16288         * tree-ssa-loop-niter.c: Adjust mpz_to_double_int and
16289         get_type_bounds calls.
16290         (mpz_set_double_int): Move to double-int.c.
16291         (get_type_bounds): Move to tree.c, rename to
16292         get_static_type_bounds.
16293         (mpz_to_double_int): Move to double-int.c, rename to
16294         mpz_get_double_int.
16295
16296 2007-04-30  Bob Wilson  <bob.wilson@acm.org>
16297
16298         * config/xtensa/lib1funcs.asm (__umodsi3, __modsi3): Rearrange so that
16299         DIV0 exception can fall through to a normal return.
16300
16301 2007-04-30  Alexandre Oliva  <aoliva@redhat.com>
16302
16303         PR middle-end/22156
16304         Temporarily revert:
16305         2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
16306         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
16307         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
16308         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
16309         initialize align to silence bogus warning.
16310         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
16311         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
16312         all_no_warning.
16313         (struct sra_walk_fns): Remove use_all parameter from use.
16314         (sra_hash_tree): Handle BIT_FIELD_REFs.
16315         (sra_elt_hash): Don't hash bitfld blocks.
16316         (sra_elt_eq): Skip them in parent compares as well.  Handle
16317         BIT_FIELD_REFs.
16318         (sra_walk_expr): Don't maintain or pass down use_all_p.
16319         (scan_use): Remove use_all parameter.
16320         (scalarize_use): Likewise.  Re-expand assignment to
16321         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
16322         output, and re-scalarize after output.  Don't mark anything
16323         for no warning.
16324         (scalarize_ldst): Adjust.
16325         (scalarize_walk_gimple_modify_statement): Likewise.
16326         (build_element_name_1): Handle BIT_FIELD_REFs.
16327         (instantiate_element): Don't warn for any element whose parent
16328         is used as a whole.
16329         (instantiate_missing_elements_1): Return the sra_elt.
16330         (canon_type_for_field): New.
16331         (try_instantiate_multiple_fields): New.
16332         (instantiate_missing_elemnts): Use them.
16333         (mark_no_warning): Removed.
16334         (generate_one_element_ref): Handle BIT_FIELD_REFs.
16335         (REPLDUP, sra_build_elt_assignment): New.
16336         (generate_copy_inout): Use them.
16337         (generate_element_copy): Likewise.  Handle bitfld differences.
16338         (generate_element_zero): Don't recurse for blocks.  Use
16339         sra_build_elt_assignment.
16340         (generate_one_element_int): Take elt instead of var.  Use
16341         sra_build_elt_assignment.
16342         (generate_element_init_1): Adjust.
16343         (scalarize_use, scalarize_copy): Use REPLDUP.
16344         (scalarize_ldst): Move assert before dereference.
16345         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
16346
16347 2007-04-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
16348
16349         PR C++/31721
16350         * tree.c (reconstruct_complex_type): Reconstruct a reference
16351         correctly.
16352         Also use the same mode for the pointer as the old pointer type.
16353
16354 2007-04-30  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
16355
16356         * doc/trouble.texi (Interoperation): Remove note about Ultrix
16357         Fortran compiler.
16358
16359 2007-04-29  Zdenek Dvorak  <dvorakz@suse.cz>
16360
16361         PR rtl-optimization/31676
16362         * df-scan.c (record_nonlocal_goto_receiver_defs): New function.
16363         (df_refs_record): Call it.
16364
16365 2007-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
16366
16367         * rtl.def (SS_ABS): New code.
16368         * config/bfin/bfin.c (print_operand): New modifier 'v'.
16369         (enum bfin_builtins): Add BFIN_BUILTIN_SUM_2X16, BFIN_BUILTIN_ABS_1x32,
16370         BFIN_BUILTIN_ROUND_1x32, BFIN_BUILTIN_MULT_1x32x32,
16371         BFIN_BUILTIN_MULT_1x32x32NS, BFIN_BUILTIN_SSASHIFT_1x32.
16372         (bfin_init_builtins): Define them.
16373         (bdesc_1arg, bdesc_2arg): Add some of them here, ...
16374         (bfin_expand_builtin): ... and handle the others here.
16375         * config/bfin/bfin.md (ssabssi2, ssroundsi2, ssashiftsi3,
16376         flag_mul_macv2hi_parts_acconly_andcc0): New patterns.
16377         (ss_absv2hi2): Renamed from absv2hi; use ss_abs code.
16378         (ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3): Shift count
16379         operand is only HImode.
16380
16381 2007-04-29  Steven Bosscher  <steven@gcc.gnu.org>
16382
16383         * regclass.c (scan_one_insn): Remove splitting of
16384         two address insns.
16385
16386 2007-04-28  Sandra Loosemore  <sandra@codesourcery.com>
16387             Nigel Stephens  <nigel@mips.com>
16388
16389         * config/mips/mips.h (SLOW_BYTE_ACCESS): Turn off for MIPS16.
16390
16391 2007-04-28  Jan Hubicka  <jh@suse.cz>
16392
16393         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Use
16394         insn_locators_alloc instead of insn_locators_initialize;
16395         call reset_block_changes.
16396         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
16397         * config/sh/sh.c (sparc_output_mi_thunk): Likewise.
16398         * config/is64/ia64.c (ia64_output_mi_thunk): Likewise.
16399         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
16400         * config/score/score.c (th_output_mi_thunk): Likewise.
16401         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
16402         * cfglyaout.c (set_curr_insn_source_location, set_curr_insn_block):
16403         tolerate uninitialized locator info.
16404
16405         Re-apply:
16406         * function.c (init_function_start): Don't init line number info.
16407         (expand_function_end): Update.
16408         (reset_block_changes, record_block_change, finalize_block_changes,
16409         check_block_change, free_block_changes): Kill.
16410         * function.h (reset_block_changes, record_block_change,
16411         finalize_block_changes, check_block_change, free_block_changes):
16412         Remove prototypes.
16413         (struct function): Remove ib_boundaries_block.
16414         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
16415         Use curr_insn_locator to initialize locator.
16416         (emit_line_note): Remove.
16417         * cfgexpand.c (expand_gimple_cond_expr): Update.
16418         (construct_exit_block): Likewise.
16419         (tree_expand_cfg): Initialize/finalize locators.
16420         * expr.c (expand_expr_real): Update.
16421         * cfglayout.c (line_locators_locs, line_locators_lines,
16422         file_locators_locs, file_locators_files): Remove.
16423         (set_block_levels): Move to cfgexpand.c.
16424         (insn_locators_initialize): Remove.
16425         (pass_insn_locators_initialize): Remove.
16426         (locations_locators_locs, locations_locators_vals): New static vars.
16427         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
16428         Likewise.
16429         (insn_locators_alloc, insn_locators_finalize,
16430         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
16431         New functions.
16432         (locator_location): New.
16433         (locator_line, locator_file): Rewrite.
16434         * rtl.h (emit_line_note): Kill.
16435         (insn_locators_alloc, insn_locators_finalize,
16436         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
16437         Declare.
16438         * tree-inline.c (initialize_cfun): Do not initialize
16439         ib_boundaries_block.
16440         * passes.c (pass_insn_locators_initialize): Remove.
16441
16442 2007-04-28  Zdenek Dvorak  <dvorakz@suse.cz>
16443
16444         * tree-cfg.c (move_block_to_fn): Release bb from dominance
16445         info.  Update last_basic_block correctly.
16446
16447 2007-04-27  Kaz Kojima  <kkojima@gcc.gnu.org>
16448
16449         PR target/31701
16450         * config/sh/sh.c (output_stack_adjust): Avoid using the frame
16451         register itself to hold the offset constant.  Tell flow the use
16452         of r4 and r5 when they are used.
16453
16454 2007-04-27  Richard Guenther  <rguenther@suse.de>
16455
16456         * tree-ssa-forwprop.c (forward_propagate_into_cond): Keep track
16457         if we simplified anything.
16458         (tree_ssa_forward_propagate_single_use_vars): Defer overflow
16459         warnings until we did a simplification and the stmt was not
16460         marked as TREE_NO_WARNING.
16461
16462 2007-04-27  Mike Stump  <mrs@apple.com>
16463
16464         * config/rs6000/darwin.h (ALWAYS_PUSH_CONSTS_USING_REGS_P): Remove.
16465
16466 2007-04-27  Ian Lance Taylor  <iant@google.com>
16467
16468         PR middle-end/31710
16469         * tree.c (build_distinct_type_copy): If TYPE_MIN_VALUE or
16470         TYPE_MAX_VALUE exist, convert them to the new type.
16471
16472 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
16473
16474         * tree-cfgcleanup.c (cleanup_tree_cfg): Verify dominance info
16475         if it claims to be available.
16476         * tree-ssa-dce.c (remove_dead_stmt): Mark cfg as altered when
16477         edge is redirected.
16478         (perform_tree_ssa_dce): Always free postdominators.
16479
16480 2007-04-27  Richard Henderson  <rth@redhat.com>
16481
16482         * config/alpha/predicates.md (aligned_memory_operand): Mark
16483         as define_special_predicate.
16484         (unaligned_memory_operand, normal_memory_operand): Likewise.
16485         (reg_or_unaligned_mem_operand): Remove.
16486         (any_memory_operand): Match the documentation and check for
16487         non-renumbered pseudos during reload.
16488         * config/alpha/alpha.c (alpha_secondary_reload): Rename from
16489         alpha_secondary_reload_class, update to new interface, make static.
16490         Handle CQImode like HImode.  Remove FP subreg check.
16491         (alpha_expand_mov): Use replace_equiv_address.
16492         (alpha_expand_mov_nobwx): Use any_memory_operand.
16493         (TARGET_SECONDARY_RELOAD): New.
16494         * config/alpha/alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Remove.
16495         (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
16496         * config/alpha/sync.md (I12MODE, I48MODE, modesuffix): Move ...
16497         * config/alpha/alpha.md: ... here.
16498         (RELOAD12, reloadmode): New.
16499         (movcqi): New.
16500         (reload_in<RELOAD12>): Macro-ize from reload_inqi, reload_inhi.
16501         Don't handle the aligned case here.
16502         (reload_out<RELOAD12>): Macro-ize from reload_outqi, reload_outhi.
16503         (reload_in<I12MODE>_aligned): Macro-ize from reload_inqi_help,
16504         reload_inhi_help.  Don't expect a scratch register.
16505         (reload_out<I12MODE>_aligned): Macro-ize from reload_outqi_help,
16506         reload_outhi_help.
16507         * config/alpha/alpha-protos.h (alpha_secondary_reload_class): Remove.
16508
16509 2007-04-27  Richard Guenther  <rguenther@suse.de>
16510
16511         * tree-ssa-forwprop.c (get_prop_dest_stmt): Fix comment typo.
16512
16513 2007-04-27  Richard Guenther  <rguenther@suse.de>
16514
16515         PR tree-optimization/30965
16516         PR tree-optimization/30978
16517         * Makefile.in (tree-ssa-forwprop.o): Depend on $(FLAGS_H).
16518         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove.
16519         (find_equivalent_equality_comparison): Likewise.
16520         (simplify_cond): Likewise.
16521         (get_prop_source_stmt): New helper.
16522         (get_prop_dest_stmt): Likewise.
16523         (can_propagate_from): Likewise.
16524         (remove_prop_source_from_use): Likewise.
16525         (combine_cond_expr_cond): Likewise.
16526         (forward_propagate_comparison): New function.
16527         (forward_propagate_into_cond): Rewrite to use fold for
16528         tree combining.
16529         (tree_ssa_forward_propagate_single_use_vars): Call
16530         forward_propagate_comparison to propagate comparisons.
16531
16532 2007-04-27  Richard Guenther  <rguenther@suse.de>
16533
16534         PR tree-optimization/31715
16535         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make
16536         sure to do computation on the offset in an appropriate
16537         signed type.
16538
16539 2007-04-27  Richard Sandiford  <richard@codesourcery.com>
16540
16541         * reload.h (elimination_target_reg_p): Declare.
16542         * reload.c (find_reloads): Don't apply the reg_rtx move
16543         optimization if the SET_DEST satisfies elimination_target_reg_p.
16544         * reload1.c (elimination_target_reg_p): New function.
16545         (gen_reload): In the move/add2 fallback, make sure that op0
16546         does not overlap the destination register.
16547
16548 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
16549
16550         * tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
16551         transform only GIMPLE_MODIFY_STMTs.
16552         * tree-complex.c (expand_complex_operations_1): Ditto.
16553         (expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
16554         * tree-ssa-loop-manip.c (build_if_stmt): Removed.
16555         (tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
16556         branches.
16557         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
16558         tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
16559         * omp-low.c (expand_parallel_call, expand_omp_for_generic,
16560         expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
16561         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
16562         slpeel_add_loop_guard): Ditto.
16563         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
16564         * lambda-code.c (perfect_nestify): Ditto.
16565         * tree-iterator.c (tsi_split_statement_list_before): Fix splitting
16566         before the first statement.
16567         * tree-optimize.c (execute_free_datastructures): Fix comments.
16568         (execute_free_cfg_annotations): Do not call disband_implicit_edges.
16569         * tree-flow.h (disband_implicit_edges): Declaration removed.
16570         * tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
16571         branches.
16572         (cleanup_dead_labels, tree_redirect_edge_and_branch): Handle
16573         COND_EXPRs without gotos.
16574         (disband_implicit_edges, has_label_p): Removed.
16575         (tree_verify_flow_info): Verify that COND_EXPR branches are empty.
16576         (tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
16577         branches.
16578         * tree.c (build3_stat): Mark COND_EXPRs used as statements as having
16579         side effects.
16580         * tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
16581         also for COND_EXPRs.
16582         * cfgexpand.c (label_rtx_for_bb): New function.
16583         (expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
16584         Use label_rtx_for_bb to find the labels.
16585         (expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
16586         last block.  Detect fallthru edges.
16587
16588 2007-04-26  Ian Lance Taylor  <iant@google.com>
16589
16590         PR target/28675
16591         * reload.c (find_reloads_subreg_address): If the address was valid
16592         in the original mode but not in the new mode, reload the whole
16593         address.
16594
16595 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
16596
16597         * tree-cfgcleanup.c (cfgcleanup_altered_bbs): New global variable.
16598         (remove_fallthru_edge): Use remove_edge_and_dominated_blocks.
16599         (cleanup_control_expr_graph): Do not invalidate dominance info.
16600         Record altered blocks.
16601         (cleanup_control_flow, cleanup_forwarder_blocks): Removed.
16602         (cleanup_control_flow_bb, split_bbs_on_noreturn_calls,
16603         cleanup_tree_cfg_bb): New functions.
16604         (remove_forwarder_block): Do not maintain the worklist of blocks.
16605         Record altered blocks.
16606         (cleanup_tree_cfg_1): Iterate over cfgcleanup_altered_bbs,
16607         not over whole cfg.
16608         (cleanup_tree_cfg): Do not iterate cleanup_tree_cfg_1.  Only call
16609         delete_unreachable_blocks if dominators are not available.
16610         * tree-inline.c (optimize_inline_calls): Free dominance information
16611         earlier.
16612         * tree-flow.h (remove_edge_and_dominated_blocks,
16613         cfgcleanup_altered_bbs): Altered.
16614         * tree-cfg.c (replace_uses_by, tree_merge_blocks): Record altered
16615         blocks.
16616         (get_all_dominated_blocks, remove_edge_and_dominated_blocks): New
16617         functions.
16618         (tree_purge_dead_eh_edges): Use remove_edge_and_dominated_blocks,
16619         do not invalidate dominators.
16620
16621 2007-04-26  Anatoly Sokolov <aesok@post.ru>
16622
16623         * config/avr/avr.c (avr_mcu_types): Add support for ATmega8HVA and
16624         ATmega16HVA devices. Move AT90USB82 device to 'avr5' architecture.
16625         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
16626         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
16627
16628 2007-04-26  Steve Ellcey  <sje@cup.hp.com>
16629
16630         * config/ia64/ia64.md (ip_value): Fix itanium_class attribute.
16631
16632 2007-04-26  Richard Guenther  <rguenther@suse.de>
16633
16634         PR tree-optimization/31703
16635         * tree-ssa-loop-im.c (rewrite_bittest): Make sure to use
16636         the right type for the target of the bittest.
16637
16638 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
16639
16640         * config/i386/vx-common.h (RETURN_IN_MEMORY): Use
16641         ix86_sol10_return_in_memory.
16642
16643 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
16644
16645         * config/i386/i386.c (ix86_sol10_return_in_memory): Remove unused
16646         variables.
16647
16648 2007-04-26  Jakub Jelinek  <jakub@redhat.com>
16649
16650         PR c++/31598
16651         * tree-inline.c (copy_body_r): Don't touch TREE_TYPE of OMP_CLAUSE.
16652
16653         PR tree-optimization/30558
16654         * tree-eh.c (lower_eh_filter): If EH_FILTER_MUST_NOT_THROW
16655         clear this_state.prev_try.
16656
16657 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
16658             Mark Mitchell  <mark@codesourcery.com>
16659
16660         * config/i386/i386-protos.h (ix86_sol10_return_in_memory): Declare.
16661         * config/i386/i386.c (ix86_sol10_return_in_memory): New function.
16662         * config/i386/sol2-10.h (RETURN_IN_MEMORY): Use it.
16663
16664 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
16665
16666         PR driver/31107
16667         * doc/invoke.texi (%:print-asm-header): Document.
16668         * gcc.c (asm_options): Use %:print-asm-header() for --target-help
16669         and -ftarget-help.
16670         (static_spec_functions): Add print-asm-header.
16671         (main): Print a banner before the --target-help linker options.
16672         (print_asm_header_spec_function): New function.
16673
16674 2007-04-25  Kaz Kojima  <kkojima@gcc.gnu.org>
16675
16676         PR target/31403
16677         * config/sh/sh.md (movsi_ie): Fix length for TARGET_SH2A.
16678         (movsf_ie): Likewise.
16679
16680 2007-04-25  Paolo Carlini  <pcarlini@suse.de>
16681
16682         * doc/extend.texi ([Type Traits]): Adjust per N2255.
16683
16684 2007-04-25  Bob Wilson  <bob.wilson@acm.org>
16685
16686         * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Throw an
16687         exception for divide-by-zero.
16688         (__umodsi3, __modsi3): Likewise.
16689
16690 2007-04-25  Dirk Mueller  <dmueller@suse.de>
16691
16692         * c-typeck.c (build_compound_expr): Annotate warning()
16693         call with OPT_Wunused_value.
16694         * tree-ssa.c (warn_uninit): Annotate warning with
16695         OPT_Wunintialized.
16696         * c-common.c (handle_sentinel_attribute): Annotate warning
16697         call with OPT_Wattributes.
16698
16699 2007-04-25  Thiemo Seufer  <ths@mips.com>
16700
16701         * config/mips/mips.opt (mdmx, mmt, mno-mdmx): New options.
16702         (mips16): Fix typo.
16703         * config/mips/mips.h (ASM_SPEC): Pass -mmt/-mno-mt and -mdmx/-mno-mdmx
16704         on to the assembler.  Improve handling of -mno-mips16.  Add handling
16705         of -mno-mips3d, -mno-dsp, -mno-dspr2.
16706         * doc/invoke.texi (MIPS Options): Whitespace cleanup.  Fix wrong use
16707         of @itemx.  Document -mno-dsp, -mno-dspr2, -mno-paired-single, -mdmx,
16708         -mno-mdmx, -mno-mips3d, -mmt and -mno-mt.
16709
16710 2007-04-25  Danny Smith  <dannysmith.users.sourceforge.net>
16711
16712         PR target/31680
16713         * config/i386/winnt.c (i386_pe_file_end): Strip only
16714         USER_LABEL_PREFIX when writing export name.
16715
16716 2007-04-25  Richard Sandiford  <richard@codesourcery.com>
16717
16718         * config.gcc (sh-wrs-vxworks): Don't include dbxelf.h.  Include
16719         sh/elf.h, vx-common.h and vxworks.h.
16720         * config/sh/sh.h: Include config/vxworks-dummy.h.
16721         (SUBTARGET_OVERRIDE_OPTIONS): Define.
16722         (OVERRIDE_OPTIONS): Use it.
16723         * config/sh/sh.md (GOTaddr2picreg): Add suport for VxWorks RTPs.
16724         (vxworks_picreg): New pattern.
16725         * config/sh/vxworks.h (TARGET_OS_CPP_BUILTINS): Use
16726         VXWORKS_OS_CPP_BUILTINS.
16727         (LIB_SPEC, LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine
16728         to their VXWORKS_* equivalents.
16729         (SUBTARGET_OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
16730         (SUBTARGET_LINK_EMUL_SUFFIX, FUNCTION_PROFILER): Define.
16731         * config/sh/lib1funcs.asm (NO_FPSCR_VALUES): Define for VxWorks PIC.
16732         (set_fpscr, ic_invalidate): Add VxWorks PIC sequences.
16733         * config/sh/t-vxworks (MULTILIB_OPTIONS): Add m4a, -mrtp and
16734         -mrtp/-fPIC multilibs.
16735         (MULTILIB_EXCEPTIONS): Generalize globs accordingly.
16736         (MULTILIB_MATCHES, EXTRA_MULTILIB_PARTS): Define.
16737         (MULTILIB_OSDIRNAMES): Delete.
16738
16739 2007-04-25  Anatoly Sokolov <aesok@post.ru>
16740
16741         PR target/18989
16742         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine.
16743
16744 2007-04-24  Brooks Moses  <brooks.moses@codesourcery.com>
16745
16746         * real.c (mpfr_from_real): Handle Inf and NaN, and allow the
16747         rounding mode to be specified by the caller.
16748         (real_to_mpfr) Likewise.
16749         * real.h: Update mpfr_from_real, mpfr_to_real prototypes to
16750         include new arguments.
16751         * builtins.c: Update mpfr_from_real, mpfr_to_real calls.
16752
16753 2007-04-24  Ian Lance Taylor  <iant@google.com>
16754
16755         PR tree-optimization/31605
16756         * tree-vrp.c (set_value_range): Check that min and max are not
16757         both overflow infinities.
16758         (set_value_range_to_value): New static function.
16759         (extract_range_from_binary_expr): Call set_value_range_to_value.
16760         (extract_range_from_cond_expr): Likewise.
16761         (extract_range_from_expr): Likewise.
16762         (extract_range_from_unary_expr): Likewise.  Don't create a range
16763         which overflows on both sides.
16764         (vrp_meet): Check for a useless range.
16765         (vrp_visit_phi_node): If we see a constant which looks like an
16766         overflow infinity, turn off the TREE_OVERFLOW flag.
16767
16768 2007-04-24  Ian Lance Taylor  <iant@google.com>
16769
16770         * flow.c (elim_reg_cond): Handle a comparison of a subreg.
16771
16772 2007-04-24  Simon Martin  <simartin@users.sourceforge.net>
16773
16774         PR diagnostic/25923
16775         * tree-pass.h (TDF_DIAGNOSTIC): New dump control to specify that a
16776         diagnostic message is being built.
16777         * tree-pretty-print.c (dump_generic_node): Only write the
16778         formatted text into BUFFER's stream if we are not building a
16779         diagnostic message.
16780         * toplev.c (default_tree_printer): Pass TDF_DIAGNOSTIC to
16781         dump_generic_node.
16782         * Makefile.in (toplev.o): Depend on tree-pass.h.
16783
16784 2007-04-24  Ian Lance Taylor  <iant@google.com>
16785
16786         PR tree-optimization/31602
16787         * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
16788         conditionals in the copied loop header.
16789         * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
16790         warnings if TREE_NO_WARNING is set.
16791         * doc/invoke.texi (Warning Options): Clarify that
16792         -Wstrict-overflow does not warn about loops.
16793
16794 2007-04-24  Janis Johnson  <janis187@us.ibm.com>
16795
16796         * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
16797         expand on the comment about _Decimal128 arguments and check the
16798         integer result of the modulus operation; for 64-bit ELF ABI, ensure
16799         that _Decimal128 argument uses even/odd register pair.
16800         (function_arg): Ditto.
16801
16802 2007-04-24  Hui-May Chang <hm.chang@apple.com>
16803
16804         * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
16805         instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
16806
16807 2007-04-24  Richard Guenther  <rguenther@suse.de>
16808             Olga Golovanevsky  <olga@il.ibm.com>
16809
16810         * fold-const.c (multiple_of_p): Check for bottom
16811         to be zero.
16812
16813 2007-04-24  Richard Henderson  <rth@redhat.com>
16814
16815         * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from
16816         IS_IBM_EXTENDED.  Also define in terms of WIDEST_HARDWARE_FP_SIZE.
16817         * libgcc2.c (__floatdisf): Avoid double-word arithmetic when
16818         looking for non-zero bits shifted out.  Avoid a recursive call
16819         when constructing the scalar.
16820         (__floatundisf): Likewise.
16821
16822 2007-04-24  Nathan Froyd  <froydnj@codesourcery.com>
16823
16824         * dwarf2out.c (field_byte_offset): Move the existing logic
16825         under the control of PCC_BITFIELD_TYPE_MATTERS and just use
16826         the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS.
16827
16828 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
16829
16830         PR target/31641
16831         * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant
16832         length argument of 0 for memset.
16833         (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
16834         unsigned shift instead of the signed variant.
16835
16836 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
16837
16838         * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm",
16839         "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm",
16840         "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm",
16841         "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
16842         "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
16843         "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee",
16844         "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm",
16845         "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm",
16846         "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed.
16847         ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2",
16848         "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3",
16849         "mul<mode>3", "div<mode>3"): Insn definitions added.
16850         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2",
16851         "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed
16852         to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp.
16853         ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2",
16854         "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3",
16855         "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed.
16856         ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added.
16857         * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT,
16858         TARGET_FLOAT_FORMAT): Macro definitions removed.
16859         (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore.
16860         * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost,
16861         z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der.
16862         (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches.
16863         (s390_gen_rtx_const_DI): Function removed.
16864         * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed.
16865
16866 2007-04-24  Richard Sandiford  <richard@codesourcery.com>
16867
16868         * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
16869         over an external ffs function.
16870
16871 2007-04-24  Chao-ying Fu  <fu@mips.com>
16872             Richard Sandiford  <richard@nildram.co.uk>
16873
16874         * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
16875         * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
16876         (smadd_widen_optab, umadd_widen_optab): Define.
16877         * optabs.c (init_optabs): Initialize smadd_widen_optab and
16878         umadd_widen_optab.
16879         * genopinit.c (optabs): Fill in smadd_widen_optab and
16880         umadd_widen_optab.
16881         * expr.c (expand_expr_real_1): Try to use smadd_widen_optab
16882         and umadd_widen_optab to implement multiply-add sequences.
16883         * config/mips/mips.md (*<su>mul_acc_di): Rename to...
16884         (<u>maddsidi4): ...this.  Extend condition to include
16885         GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
16886         of operand 0 to "ka" and use the three-operand form of madd<u>
16887         for TARGET_DSPR2.
16888         * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
16889         to define_expands.
16890         * config/mips/constraints.md (ka): New register constraint.
16891
16892 2007-04-24  Jan Hubicka  <j@suse.cz>
16893
16894         Revert:
16895
16896         2007-04-23  Jan Hubicka  <jh@suse.cz>
16897         * function.c (init_function_start): Don't init line number info.
16898         (expand_function_end): Update.
16899         (reset_block_changes, record_block_change, finalize_block_changes,
16900         check_block_change, free_block_changes): Kill.
16901         * function.h (reset_block_changes, record_block_change,
16902         finalize_block_changes, check_block_change, free_block_changes):
16903         Remove prototypes.
16904         (struct function): Remove ib_boundaries_block.
16905         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
16906         Use curr_insn_locator to initialize locator.
16907         (emit_line_note): Remove.
16908         * cfgexpand.c (expand_gimple_cond_expr): Update.
16909         (construct_exit_block): Likewise.
16910         (tree_expand_cfg): Initialize/finalize locators.
16911         * expr.c (expand_expr_real): Update.
16912         * cfglayout.c (line_locators_locs, line_locators_lines,
16913         file_locators_locs, file_locators_files): Remove.
16914         (set_block_levels): Move to cfgexpand.c.
16915         (insn_locators_initialize): Remove.
16916         (pass_insn_locators_initialize): Remove.
16917         (locations_locators_locs, locations_locators_vals): New static vars.
16918         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
16919         Likewise.
16920         (insn_locators_alloc, insn_locators_finalize,
16921         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
16922         New functions.
16923         (locator_location): New.
16924         (locator_line, locator_file): Rewrite.
16925         * rtl.h (emit_line_note): Kill.
16926         (insn_locators_alloc, insn_locators_finalize,
16927         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
16928         Declare.
16929         * tree-inline.c (initialize_cfun): Do not initialize
16930         ib_boundaries_block.
16931         * passes.c (pass_insn_locators_initialize): Remove.
16932
16933 2007-04-24  Daniel Franke  <franke.daniel@gmail.com>
16934
16935         * doc/invoke.texi: Removed leading '-' from option index entries.
16936
16937 2007-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
16938
16939         * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
16940         Use phi_nodes_ptr.
16941         (create_phi_node): Use set_phi_nodes.
16942         * omp-low.c (expand_omp_parallel): Use bb_stmt_list.
16943         * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
16944         (combine_blocks): Use bb_stmt_list and set_bb_stmt_list.
16945         * tree-flow-inline.h (phi_nodes, set_phi_nodes,
16946         (bsi_start, bsi_last): Use bb_stmt_list.
16947         (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
16948         * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
16949         Traverse the statements using tsi iterator.
16950         * basic-block.h (struct basic_block_def): Fields stmt_list
16951         and phi_nodes moved to ...
16952         (struct tree_bb_info): ... new structure.
16953         * tree-cfg.c (create_bb): Allocate il.tree.  Use set_bb_stmt_list.
16954         (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
16955         (remove_bb): Handle blocks with NULL stmt list.  Clear il.tree field.
16956         (tree_verify_flow_info): Verify that il.tree is not set for
16957         entry and exit block.
16958         (tree_split_block): Use set_bb_stmt_list.
16959
16960 2007-04-23  Mike Stump  <mrs@apple.com>
16961
16962         * config/i386/i386.c (ix86_tune_features
16963         [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
16964         nocona and core2.
16965
16966 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
16967
16968         * config/i386/i386.md (prefix_extra): New attribute.
16969         (length): Add prefix_extra.
16970
16971         * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16.
16972         (sse2_movntv2di): Likewise.
16973         (sse2_cvtps2dq): Likewise.
16974         (sse2_cvtpd2pi): Likewise.
16975         (sse2_cvttpd2pi): Likewise.
16976         (*sse2_cvtpd2ps): Likewise.
16977         (*add<mode>3): Likewise.
16978         (sse2_ssadd<mode>3): Likewise.
16979         (sse2_usadd<mode>3): Likewise.
16980         (*sub<mode>3): Likewise.
16981         (sse2_sssub<mode>3): Likewise.
16982         (sse2_ussub<mode>3): Likewise.
16983         (*mulv8hi3): Likewise.
16984         (*smulv8hi3_highpart): Likewise.
16985         (*umulv8hi3_highpart): Likewise.
16986         (sse2_umulv2siv2di3): Likewise.
16987         (sse2_pmaddwd): Likewise.
16988         (ashr<mode>3): Likewise.
16989         (lshr<mode>3): Likewise.
16990         (ashl<mode>3): Likewise.
16991         (sse2_ashlti3): Likewise.
16992         (sse2_lshrti3): Likewise.
16993         (*umaxv16qi3): Likewise.
16994         (*smaxv8hi3): Likewise.
16995         (*uminv16qi3): Likewise.
16996         (*sminv8hi3): Likewise.
16997         (sse2_eq<mode>3): Likewise.
16998         (sse2_gt<mode>3): Likewise.
16999         (*and<mode>3): Likewise.
17000         (sse2_nand<mode>3): Likewise.
17001         (*ior<mode>3): Likewise.
17002         (*xor<mode>3): Likewise.
17003         (sse2_packsswb): Likewise.
17004         (sse2_packssdw): Likewise.
17005         (sse2_packuswb): Likewise.
17006         (sse2_punpckhbw): Likewise.
17007         (sse2_punpcklbw): Likewise.
17008         (sse2_punpckhwd): Likewise.
17009         (sse2_punpcklwd): Likewise.
17010         (sse2_punpckhdq): Likewise.
17011         (sse2_punpckldq): Likewise.
17012         (sse2_punpckhqdq): Likewise.
17013         (sse2_punpcklqdq): Likewise.
17014         (*sse2_pinsrw): Likewise.
17015         (*sse2_pextrw): Likewise.
17016         (sse2_pshufd_1): Likewise.
17017         (sse2_uavgv16qi3): Likewise.
17018         (sse2_uavgv8hi3): Likewise.
17019         (sse2_psadbw): Likewise.
17020         (sse2_pmovmskb): Likewise.
17021         (*sse2_maskmovdqu): Likewise.
17022         (*sse2_maskmovdqu_rex64): Likewise.
17023         (sse4a_extrqi): Likewise.
17024         (sse4a_extrq): Likewise.
17025         (sse3_lddqu): Set prefix_rep.
17026         (sse3_addsubv4sf3): Likewise.
17027         (sse3_haddv4sf3): Likewise.
17028         (sse3_hsubv4sf3): Likewise.
17029         (sse_cvtss2si): Likewise.
17030         (sse_cvtss2si_2): Likewise.
17031         (sse_cvtss2siq): Likewise.
17032         (sse_cvtss2siq_2): Likewise.
17033         (sse_cvttss2si): Likewise.
17034         (sse_cvttss2siq): Likewise.
17035         (sse2_cvttps2dq): Likewise.
17036         (sse3_movshdup): Likewise.
17037         (sse3_movsldup): Likewise.
17038         (sse2_cvtsd2si): Likewise.
17039         (sse2_cvtsd2si_2): Likewise.
17040         (sse2_cvtsd2siq): Likewise.
17041         (sse2_cvtsd2siq_2): Likewise.
17042         (sse2_cvttsd2si): Likewise.
17043         (sse2_cvttsd2siq): Likewise.
17044         (*sse2_cvtpd2dq): Likewise.
17045         (*sse2_cvttpd2dq): Likewise.
17046         (sse2_pshuflw_1): Likewise.
17047         (sse2_pshufhw_1): Likewise.
17048         (sse4a_insertqi): Likewise.
17049         (sse4a_insertq): Likewise.
17050         (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra.
17051         (ssse3_phadddv4si3): Likewise.
17052         (ssse3_phaddswv8hi3): Likewise.
17053         (ssse3_phsubwv8hi3): Likewise.
17054         (ssse3_phsubdv4si3): Likewise.
17055         (ssse3_phsubswv8hi3): Likewise.
17056         (ssse3_pmaddubswv8hi3): Likewise.
17057         (ssse3_pmulhrswv8hi3): Likewise.
17058         (ssse3_pshufbv16qi3): Likewise.
17059         (ssse3_psign<mode>3): Likewise.
17060         (ssse3_palignrti): Likewise.
17061         (abs<mode>2): Likewise.
17062         (ssse3_phaddwv4hi3): Set prefix_extra.
17063         (ssse3_phadddv2si3): Likewise.
17064         (ssse3_phaddswv4hi3): Likewise.
17065         (ssse3_phsubwv4hi3): Likewise.
17066         (ssse3_phsubdv2si3): Likewise.
17067         (ssse3_phsubswv4hi3): Likewise.
17068         (ssse3_pmaddubswv4hi3): Likewise.
17069         (ssse3_pmulhrswv4hi3): Likewise.
17070         (ssse3_pshufbv8qi3): Likewise.
17071         (ssse3_psign<mode>3): Likewise.
17072         (ssse3_palignrdi): Likewise.
17073         (abs<mode>2): Likewise.
17074         (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF.
17075         (*vec_dupv2df): Set mode to V2DF instead of V4SF.
17076         (sse2_pmovmskb): Set mode to SI instead of V2DF.
17077
17078 2007-04-23  Nick Clifton  <nickc@redhat.com>
17079
17080         * params.def: Fix formatting of emacs local variables.
17081
17082 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
17083
17084         * config/i386/sse.md (sse2_stored): Don't split to inter-unit
17085         move if inter-unit move isn't allowed.
17086         Don't split moving the first element of V2DI to DI to inter-unit
17087         move if inter-unit move isn't allowed.
17088
17089 2007-04-23  Richard Guenther  <rguenther@suse.de>
17090
17091         * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS
17092         and CDI_POST_DOMINATORS separately.
17093
17094 2007-04-23  Nick Clifton  <nickc@redhat.com>
17095
17096         * c.opt (Wformat-contains-nul): Add warning attribute.
17097
17098 2007-04-23  Jan Hubicka  <jh@suse.cz>
17099
17100         * function.c (init_function_start): Don't init line number info.
17101         (expand_function_end): Update.
17102         (reset_block_changes, record_block_change, finalize_block_changes,
17103         check_block_change, free_block_changes): Kill.
17104         * function.h (reset_block_changes, record_block_change,
17105         finalize_block_changes, check_block_change, free_block_changes):
17106         Remove prototypes.
17107         (struct function): Remove ib_boundaries_block.
17108         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
17109         Use curr_insn_locator to initialize locator.
17110         (emit_line_note): Remove.
17111         * cfgexpand.c (expand_gimple_cond_expr): Update.
17112         (construct_exit_block): Likewise.
17113         (tree_expand_cfg): Initialize/finalize locators.
17114         * expr.c (expand_expr_real): Update.
17115         * cfglayout.c (line_locators_locs, line_locators_lines,
17116         file_locators_locs, file_locators_files): Remove.
17117         (set_block_levels): Move to cfgexpand.c.
17118         (insn_locators_initialize): Remove.
17119         (pass_insn_locators_initialize): Remove.
17120         (locations_locators_locs, locations_locators_vals): New static vars.
17121         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
17122         Likewise.
17123         (insn_locators_alloc, insn_locators_finalize,
17124         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
17125         New functions.
17126         (locator_location): New.
17127         (locator_line, locator_file): Rewrite.
17128         * rtl.h (emit_line_note): Kill.
17129         (insn_locators_alloc, insn_locators_finalize,
17130         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
17131         Declare.
17132         * tree-inline.c (initialize_cfun): Do not initialize
17133         ib_boundaries_block.
17134         * passes.c (pass_insn_locators_initialize): Remove.
17135
17136 2007-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17137
17138         PR middle-end/31448
17139         * expr.c (reduce_to_bit_field_precision): Handle
17140         CONST_INT rtx's.
17141
17142 2007-04-22  Uros Bizjak  <ubizjak@gmail.com>
17143
17144         PR tree-optimization/24659
17145         * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
17146         OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
17147         (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
17148         * genopinit.c (optabs): Rename vec_pack_mod_optab
17149         to vec_pack_trunc_optab.
17150         * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
17151         early for scalar floating point operands for NOP_EXPR.
17152         (vectorizable_type_promotion): Ditto.
17153         * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
17154         vec_pack_trunc_optab.
17155         (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
17156
17157         * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
17158         * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
17159         Rename from VEC_PACK_MOD_EXPR.
17160         (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
17161         * expr.c (expand_expr_real_1): Ditto.
17162         * tree-inline.c (estimate_num_insns_1): Ditto.
17163         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
17164
17165         * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
17166         (vec_unpacks_lo_v4sf): Ditto.
17167         (vec_pack_trunc_v2df): Ditto.
17168         (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
17169         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
17170         (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
17171
17172         * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
17173         vec_pack_mod_v8hi.
17174         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
17175
17176         * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
17177         Rename from VEC_PACK_MOD_EXPR.  This expression also represent
17178         packing of floating point operands.
17179         [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
17180         represent unpacking of floating point operands.
17181         * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
17182         [vec_unpacks_hi]: Ditto.
17183         [vec_unpacks_lo]: Ditto.
17184
17185 2007-04-22  Jan Hubicka  <jh@suse.cz>
17186
17187         * final.c (rest_of_handle_final): Call
17188         targetm.asm_out.constructor/targetm.asm_out.destructor
17189         * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
17190         proper priority via decl_*_priority_insert.
17191         * c-common.c (c_expand_body): Likewise.
17192
17193 2007-04-22  Richard Guenther  <rguenther@suse.de>
17194
17195         PR tree-optimization/29789
17196         * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
17197         (rewrite_reciprocal): New helper split out from
17198         determine_invariantness_stmt.
17199         (rewrite_bittest): Likewise.
17200         (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
17201         A & (1 << B) if (1 << B) is loop invariant but (A >> B)
17202         is not.
17203
17204 2007-04-22  Revital Eres  <eres@il.ibm.com>
17205
17206         * loop-unroll.c (var_to_expand): New field to support also
17207         insns of the form x = something + x.
17208         (analyze_insn_to_expand_var): Use it.
17209         (expand_var_during_unrolling): Likewise.
17210
17211 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
17212
17213         * predict.c: Include pointer-set.h.
17214         (bb_predictions): New variable.
17215         (tree_predicted_by_p, tree_predict_edge,
17216         remove_predictions_associated_with_edge): Use bb_predictions map
17217         instead of bb->predictions.
17218         (clear_bb_predictions, assert_is_empty): New functions.
17219         (combine_predictions_for_bb): Use bb_predictions map.  Call
17220         clear_bb_predictions.
17221         (tree_estimate_probability): Create and free bb_predictions map.
17222         * Makefile.in (predict.o): Add pointer-set.h dependency.
17223         * basic-block.h (struct basic_block_def): Remove predictions
17224         field.
17225         * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
17226
17227 2007-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
17228
17229         PR target/31480
17230         * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
17231         is null.
17232
17233 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17234
17235         * timevar.c (timevar_print): Change reference of --disable-checking to
17236         --enable-checking=release.  Also warn if assert checking is disabled.
17237
17238 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17239
17240         PR C/30265
17241         * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
17242         decl as addressable if the compound literal was marked as
17243         addressable.
17244         Mark the decl as a gimple register if it is a complex or
17245         vector decl and does not live in memory.
17246
17247 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17248
17249         * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
17250         (GENERIC_NEXT): New function macro.
17251         (PHI_CHAIN): Use phi_node's new chain variable.
17252         (tree_phi_node): Change tree_common to tree_base
17253         and add the chain field.
17254         * tree-phinodes.c (make_phi_node): Don't set
17255         TREE_TYPE on the new node.
17256         * c-decl.c (lang_tree_node): Use GENERIC_NEXT
17257         instead of checking GIMPLE_TUPLE_P in chain_next.
17258         * tree-vect-transform.c
17259         (get_initial_def_for_induction): Look at
17260         PHI_RESULT_TREE for the type of the phi node.
17261         (update_vuses_to_preheader): Use PHI_CHAIN
17262         instead of TREE_CHAIN on the phi node.
17263         * tree-ssa-structalias.c (compute_points_to_sets):
17264         Likewise.
17265         (ipa_pta_execute): Likewise.
17266
17267 2007-04-21  Richard Guenther  <rguenther@suse.de>
17268
17269         PR middle-end/31136
17270         * fold-const.c (fold_unary): Call fold_convert_const on the
17271         original tree.
17272
17273 2007-04-21  Alexandre Oliva  <aoliva@redhat.com>
17274
17275         * gcse.c (store_killed_in_insn): Handle PARALLELs.
17276         (store_killed_in_pat): New.
17277
17278 2007-04-20  Richard Henderson  <rth@redhat.com>
17279
17280         PR target/31628
17281         * config/i386/i386.c (type_has_variadic_args_p): Look for any
17282         TREE_LIST with a void_type_node value, not void_list_node exactly.
17283
17284 2007-04-21  Douglas Gregor  <doug.gregor@gmail.com>
17285
17286         * doc/standards.texi: Re-arrange into language-specific
17287         subsections. Add a C++ section, documenting which standards we
17288         support.
17289
17290 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
17291
17292         * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
17293         * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
17294
17295 2007-04-20  Daniel Jacobowitz  <dan@codesourcery.com>
17296
17297         * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
17298         ecrti.o and crtbegin.o.
17299         (LIB_DEFAULT_SPEC): Include -lc.
17300         (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
17301
17302 2007-04-20  Richard Henderson  <rth@redhat.com>
17303
17304         PR target/28623
17305         * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
17306         argument; update all callers.
17307         (get_unaligned_offset): New.
17308         * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
17309         get_unaligned_address, just pass on the address directly.
17310         (unaligned_extendqidi): Use gen_lowpart instead of open-coding
17311         the subreg in the helper patterns.
17312         (unaligned_extendqidi_le): Use get_unaligned_offset.
17313         (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
17314         (unaligned_extendhidi_be): Likewise.
17315         (unaligned_extendhidi): Tidy.
17316         * config/alpha/alpha-protos.h: Update.
17317
17318 2007-04-20  Richard Henderson  <rth@redhat.com>
17319
17320         * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove.
17321         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
17322         * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
17323         * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
17324         * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
17325         (CPP_SPEC): Don't include %(cpp_subtarget).
17326         * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC.
17327         (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
17328         * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly.
17329
17330 2007-04-20  Jakub Jelinek  <jakub@redhat.com>
17331
17332         * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
17333         for __builtin_ia32_cmpordss.
17334
17335         PR tree-optimization/31632
17336         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
17337         and arg1 for optimizations of comparison against min/max values.
17338         Fold arg0 to arg1's type for optimizations of comparison against
17339         min+1 and max-1 values.
17340
17341 2007-04-19  Bernd Schmidt  <bernd.schmidt@analog.com>
17342
17343         * reload.c (combine_reloads): When trying to use a dying register,
17344         check whether it's uninitialized and don't use if so.
17345
17346 2007-04-19  Brooks Moses  <brooks.moses@codesourcery.com>
17347
17348         * fold-const.c: Remove prototypes for native_encode_expr and
17349         native_interpret_expr.
17350         (native_encode_expr): Make non-static.
17351         (native_interpret_expr): Likewise.
17352         * tree.h: Add prototypes for the above.
17353
17354 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
17355
17356         * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2,
17357         *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2,
17358         *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2,
17359         spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr,
17360         tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
17361         Add length attributes.
17362
17363 2007-04-19  Janis Johnson  <janis187@us.ibm.com>
17364
17365         * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
17366         not that it is 1.
17367
17368         * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
17369         __STDC_WANT_DEC_FP__.
17370
17371 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
17372
17373         * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
17374         for long double compatibility.
17375         * configure: Regenerate.
17376
17377 2007-04-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
17378
17379         PR rtl-optimization/29841
17380         * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
17381         trap instructions.
17382         * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
17383         that may cause control flow transfer from being moved.
17384
17385 2007-04-18  Jan Hubicka  <jh@suse.cz>
17386
17387         * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
17388         types.
17389
17390 2007-04-18  Eric Christopher  <echristo@apple.com>
17391
17392         * config/rs6000/darwin.md (load_macho_picbase): Use link register
17393         only. Update operands.
17394         * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
17395         * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
17396         link register to pic register.
17397
17398 2007-04-18  Dirk Mueller  <dmueller@suse.de>
17399
17400         PR diagnostic/31227
17401         * tree-vrp.c (search_for_addr_array): New.
17402         (check_array_bounds): Suppress warning about
17403         address taken of array refs if its not de-referenced.
17404
17405 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
17406
17407         * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
17408         * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
17409
17410         * tree-vectorizer.h (NITERS_KNOWN_P): New.
17411         * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
17412         instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
17413
17414         * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
17415         dump print.
17416         (vect_analyze_operations): Fix indenetation.  Fix a comment.  Fix a
17417         print message.
17418         (vect_analyze_scalar_cycles): Fix indentation.
17419         (vect_enhance_data_refs_alignment): Fix check in case of peeling.
17420         (vect_mark_relevant): Include phis in relevance analysis.
17421
17422         * tree-vect-transform.c (vect_transform_loop): Add an assert.
17423
17424 2007-04-18  Anatoly Sokolov <aesok@post.ru>
17425
17426         * config/avr/avr.c (ptrreg_to_str): Replace error() with
17427         output_operand_lossage().
17428
17429 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
17430
17431         * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
17432         the unused code for reduction without adjust-in-epilog to simplify the
17433         function.
17434
17435 2007-04-18  Wolfgang Gellerich  <gellerich@de.ibm.com>
17436
17437         * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
17438         (S390_TDC_NEGATIVE_ZERO): New constant.
17439         (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
17440         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
17441         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
17442         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
17443         (S390_TDC_POSITIVE_INFINITY): New constant.
17444         (S390_TDC_NEGATIVE_INFINITY): New constant.
17445         (S390_TDC_POSITIVE_QUIET_NAN): New constant.
17446         (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
17447         (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
17448         (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
17449         (S390_TDC_INFINITY): New constant.
17450         * config/s390/s390.c (s390_canonicalize_comparison): Renamed
17451         UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
17452         optimization for UNSPEC_CCZ_TO_INT.
17453         * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
17454         ("*ccz_to_int"): New insn.
17455         ("isinf<mode>2"): New insn.
17456         (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
17457         (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
17458         (UNSPEC_CCZ_TO_INT): New constant.
17459
17460 2007-04-18  Richard Guenther  <rguenther@suse.de>
17461
17462         PR tree-optimization/19431
17463         PR tree-optimization/21463
17464         * tree-pass.h (pass_phiprop): Declare.
17465         * passes.c (init_optimization_passes): New phiprop pass.
17466         * tree-ssa-forwprop.c (struct phiprop_d): New structure.
17467         (phivn_valid_p): New helper function.
17468         (phiprop_insert_phi): Likewise.
17469         (propagate_with_phi): Likewise.
17470         (tree_ssa_phiprop): New propagator propagating loads
17471         through phi nodes if profitable.
17472
17473 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
17474
17475         * tree-vect-analyze.c (process_use): New function.
17476         (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
17477         Check phis in all bbs.
17478         * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
17479         assert.
17480
17481 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
17482
17483         * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
17484         we use REG_EQUAL.
17485
17486 2007-04-17  Anatoly Sokolov <aesok@post.ru>
17487
17488         PR target/30483
17489         * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
17490         error().
17491
17492 2007-04-17  H.J. Lu  <hongjiu.lu@intel.com>
17493
17494         * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
17495         on "0".
17496         (sse_vmmulv4sf3): Likewise.
17497         (sse2_vmaddv2df3): Likewise.
17498         (sse2_vmmulv2df3): Likewise.
17499
17500 2007-04-17  Zdenek Dvorak  <dvorakz@suse.cz>
17501
17502         PR rtl-optimization/31360
17503         * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
17504         (target_reg_cost): New.
17505         (init_set_costs): Initialize target_reg_cost.  Add comments
17506         regarding the rationale of the costs.
17507         (global_cost_for_size): Renamed to...
17508         (estimate_reg_pressure_cost): ... and simplify.  Decrease importance
17509         of register pressure.
17510         * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
17511         estimate_reg_pressure_cost.  Add number of ivs.
17512         (determine_set_costs): Dump target_reg_cost.
17513         * loop-invariant.c (gain_for_invariant): Use
17514         estimate_reg_pressure_cost.  Removed n_inv_uses argument.
17515         (best_gain_for_invariant, find_invariants_to_move): Remove
17516         n_inv_uses.
17517         * cfgloop.h (target_small_cost, target_pres_cost): Removed.
17518         (target_reg_cost): Declare.
17519         (global_cost_for_size): Declaration removed.
17520         (estimate_reg_pressure_cost): Declare.
17521
17522 2007-04-17  Peter Bergner  <bergner@vnet.ibm.com>
17523
17524         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
17525         regnos into even/odd register pairs.
17526         * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
17527         TDmode similar to the other floating point modes.
17528         [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
17529         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
17530         define_expand's.
17531         (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
17532         nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
17533         (movdd_hardfloat64): Use TARGET_MFPGPR.
17534
17535 2007-04-17  Bernd Schmidt  <bernd.schmidt@analog.com>
17536
17537         * reload1.c (delete_output_reload): Don't count output in n_inherited.
17538
17539         Revert
17540         2005-01-05  Richard Henderson  <rth@redhat.com>
17541         PR rtl-opt/10692
17542         * reload1.c (do_input_reload): Restrict the optimization deleteing
17543         a previous output reload to RELOAD_FOR_INPUT.
17544
17545 2007-04-17  Dorit Nuzman  <dorit@il.ibm.com>
17546
17547         * tree-vectorizer.h (stmt_vec_info_type): Add enum value
17548         induc_vec_info_type.
17549         (vectorizable_induction): New function declaration.
17550         * tree-vect-transform.c (get_initial_def_for_induction): No need to
17551         check if already vectorized.  Find first place in BB where new stmts
17552         can be inserted.  Takes only one argument.
17553         (vectorizable_induction): New function.
17554         (vect_transform_stmt): Add case for induc_vec_info_type to call
17555         vectorizable_induction.
17556         (vect_transform_loop): Consider phis for vectorization.
17557         * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
17558         condition.
17559         (analyze_operations): Call vectorizable_induction when analyzing phis.
17560         Fix comment.
17561         (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
17562         (vect_mark_relevant): Include phis in relevance analysis.
17563         (vect_mark_stmts_to_be_vectorize): Likewise.
17564         * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
17565
17566 2007-04-16  Lawrence Crowl  <crowl@google.com>
17567
17568         * doc/invoke.texi (Debugging Options): Add documentation for the
17569         -femit-struct-debug options -femit-struct-debug-baseonly,
17570         -femit-struct-debug-reduced, and
17571         -femit-struct-debug-detailed[=...].
17572
17573         * c-opts.c (c_common_handle_option): Add
17574         OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
17575         and OPT_femit_struct_debug_detailed_.
17576         * c.opt: Add specifications for
17577         -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
17578         and -femit-struct-debug-detailed[=...].
17579         * opts.c (set_struct_debug_option): Parse the
17580         -femit-struct-debug-... options.
17581         * opts.c (matches_main_base, main_input_basename,
17582         main_input_baselength, base_of_path, matches_main_base): Add
17583         variables and functions to compare header base name to compilation
17584         unit base name.
17585         * opts.c (should_emit_struct_debug): Add to determine to emit a
17586         structure based on the option.
17587         (dump_struct_debug) Also disabled function to debug this
17588         function.
17589         * opts.c (handle_options): Save the base name of the
17590         compilation unit.
17591
17592         * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
17593         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
17594         This hook indicates if a type is generic.  Set it by default
17595         to "never generic".
17596         * langhooks.h (struct lang_hooks_for_types): Add a new hook
17597         to determine if a struct type is generic or not.
17598         * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
17599         * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
17600         * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
17601         with live C++ hook.
17602
17603         * flags.h (enum debug_info_usage): Add an enumeration to describe
17604         a program's use of a structure type.
17605         * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
17606         to indicate the program's usage of the type.  Filter structs based
17607         on the -femit-struct-debug-... specification.
17608         (gen_type_die): Split into two routines, gen_type_die and
17609         gen_type_die_with_usage.  gen_type_die is now a wrapper
17610         that assumes direct usage.
17611         (gen_type_die_with_usage): Replace calls to gen_type_die
17612         with gen_type_die_with_usage adding the program usage of
17613         the referenced type.
17614         (dwarf2out_imported_module_or_decl): Suppress struct debug
17615         information using should_emit_struct_debug when appropriate.
17616
17617 2007-04-16  Ian Lance Taylor  <iant@google.com>
17618
17619         PR tree-optimization/31522
17620         * tree-vrp.c (vr_phi_edge_counts): New static variable.
17621         (vrp_initialize): Allocate vr_phi_edge_counts.
17622         (vrp_visit_phi_node): Don't push to infinity if we saw a new
17623         executable edge.  Drop test for all constants.
17624         (vrp_finalize): Free vrp_phi_edge_counts.
17625
17626         * doc/cpp.texi (Common Predefined Macros): Clarify description of
17627         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
17628
17629         * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
17630         predecessors at head rather than tail.
17631
17632 2007-04-16  Matthias Klose  <doko@debian.org>
17633
17634         * config/alpha/linux.h (CPP_SPEC): Define.
17635         * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
17636
17637 2007-04-16  Aldy Hernandez  <aldyh@redhat.com>
17638
17639         * function.h: Remove sequence_stack extern declaration.
17640
17641 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
17642
17643         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
17644         TARGET_FIDOA.
17645         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
17646         defined.
17647
17648 2007-04-16  Anatoly Sokolov <aesok@post.ru>
17649
17650         * config/avr/avr.c (avr_arch_types): Rearranging  array.
17651         (enum avr_arch): Add.
17652         (avr_mcu_types): Use avr_arch enumeration constants instead of
17653         numbers.
17654         * config/avr/avr.h (LINK_SPEC): Simplify.
17655
17656 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
17657
17658         * config/m68k/m68k.c (m68k_libcall_value,
17659         m68k_function_value): Use macros for register names more.
17660
17661         * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
17662         instead.
17663         (M68K_REGNAME): Use A6_REG.
17664         * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
17665
17666 2007-04-16  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
17667
17668         PR middle-end/28071
17669         * sched-int.h (struct deps): Split field 'pending_lists_length' into
17670         'pending_read_list_length' and 'pending_write_list_length'.  Update
17671         comment.
17672         * sched-deps.c (add_insn_mem_dependence): Change signature.  Update
17673         to handle two length counters instead of one.  Update all uses.
17674         (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
17675         two length counters instead of one.
17676         * sched-rgn.c (propagate_deps): Update to handle two length counters
17677         instead of one.
17678
17679 2007-04-16  H.J. Lu  <hongjiu.lu@intel.com>
17680
17681         PR target/31582
17682         * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
17683         copy of source, pass it to ix86_expand_vector_set and return
17684         it as target.
17685
17686 2007-04-16  David Ung  <davidu@mips.com>
17687             Joseph Myers  <joseph@codesourcery.com>
17688
17689         * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
17690         PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
17691         * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
17692         Add 74K processor information.
17693         * config/mips/mips.md: Include 74k.md.
17694         (cpu): Add 74kc,74kf,74kx.
17695         (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
17696         * config/mips/74k.md: New.
17697         * doc/invoke.texi (MIPS Options): Document 74K support.
17698
17699 2007-04-16  Dorit Nuzman  <dorit@il.ibm.com>
17700
17701         * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
17702         vectorizable_* functions.
17703         * tree-vect-transform.c (vectorizable_call): Add check for
17704         STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
17705         (vectorizable_store): likewise.
17706         (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
17707         Add comments.
17708         (vectorizable_operation, vectorizable_type_demotion): Likewise.
17709         (vectorizable_type_promotion, vectorizable_load): Likewise.
17710         (vectorizable_live_operation, vectorizable_condition): Likewise.
17711         (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
17712         STMT_VINFO_LIVE_P.
17713         (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
17714
17715 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
17716
17717         * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
17718         register numbers more.
17719         * config/m68k/m68k.h (STACK_POINTER_REGNUM,
17720         FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
17721         M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
17722         FUNCTION_VALUE_REGNO_P): Likewise.
17723         * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
17724         STATIC_CHAIN_REGNUM): Likewise.
17725         * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
17726         * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
17727         STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
17728         * config/m68k/m68k.md (FP_REG): New.
17729
17730 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
17731
17732         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
17733         alignment on fido.
17734
17735 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
17736
17737         * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
17738         tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
17739         comment typos.
17740
17741 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
17742
17743         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
17744         cold loops.
17745
17746 2007-04-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17747
17748         PR c/31520
17749         * c-decl.c (finish_decl): Grab the type of the decl after the call
17750         to store_init_value.
17751
17752 2007-04-14  Steven Bosscher  <steven@gcc.gnu.org>
17753
17754         * common.opt (fforward-propagate): Fix "Optimization" annotation.
17755
17756 2007-04-14  Jakub Jelinek  <jakub@redhat.com>
17757
17758         PR c++/25874
17759         * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free
17760         dominators, post dominators and cleanup cfg before returning.
17761
17762 2007-04-14  Bernd Schmidt  <bernd.schmidt@analog.com>
17763
17764         * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
17765         * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
17766
17767 2007-04-14  Kazu Hirata  <kazu@codesourcery.com>
17768
17769         * config.gcc: Recognize fido.
17770         * config/m68k/m68k-devices.def (fidoa): New.
17771         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
17772         __mfido__.
17773         (FL_FIDOA, TARGET_FIDOA): New.
17774         * config/m68k/m68k.opt (mfidoa): New.
17775
17776 2007-04-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17777
17778         PR middle-end/31322
17779         * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
17780         when a personality function is used.
17781
17782 2007-04-13  Bob Wilson  <bob.wilson@acm.org>
17783
17784         * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
17785
17786 2007-04-13  Mike Stump  <mrs@apple.com>
17787
17788         * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
17789         we can...
17790         * config/darwin.opt (fapple-kext): Make C++ only.
17791         * config/darwin.c (darwin_override_options): Remove code to ensure
17792         -fapple-kext is given for C++ only.
17793
17794 2007-04-13  Richard Sandiford  <richard@codesourcery.com>
17795
17796         * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
17797         * config/mips/mips.c (override_options): Call
17798         SUBTARGET_OVERRIDE_OPTIONS, if defined.
17799
17800 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
17801
17802         * config/i386/i386.opt (msvr3-shlib): Removed.
17803
17804         * doc/invoke.texi: Remove -msvr3-shlib.
17805
17806 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
17807
17808         * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
17809         with "popcnt" instruction.
17810
17811 2007-04-13  Richard Guenther  <rguenther@suse.de>
17812
17813         PR tree-optimization/21258
17814         * tree-vrp.c (compare_case_labels): New helper.
17815         (find_switch_asserts): New function.
17816         (find_assert_locations): Call it for SWITCH_EXPRs.
17817
17818 2007-04-13  Uros Bizjak  <ubizjak@gmail.com>
17819
17820         * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
17821         * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
17822         check is now implied in X87_FLOAT_MODE_P.
17823         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
17824         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
17825         (fix_trunc<mode>_i386_fisttp): Ditto.
17826         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
17827         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
17828         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
17829         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
17830         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
17831         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
17832         (unnamed_splitters): Ditto.
17833         * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
17834         for X87_FLOAT_MODE_P mode.  Override FIRST_FLOAT_REG with
17835         FIRST_SSE_REG for local functions when SSE math is enabled or
17836         for functions with sseregparm attribute.
17837         (standard_80387_constant_p): Return -1 if mode is not
17838         X87_FLOAT_MODE_P.
17839         (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
17840         (ix86_expand_compare): Ditto.
17841         (ix86_expand_carry_flag_compare): Ditto.
17842         (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
17843         of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
17844         DECIMAL_FLOAT_MODE_P.
17845         (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
17846         of SCALAR_FLOAT_MODE_P.
17847         (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
17848         [MINUS]: ... here.  Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
17849         checks before FLOAT_MODE_P.
17850         [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
17851         before FLOAT_MODE_P.
17852         [DIV]: Ditto.
17853         [NEG]: Ditto.
17854         [ABS]: Ditto.
17855         [SQRT]: Ditto.
17856         [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
17857
17858 2007-04-12  Paolo Bonzini  <bonzini@gnu.org>
17859             Charles Wilson  <libtool@cwilson.fastmail.fm>
17860
17861         * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
17862         (libgcc.mvars): Don't depend on them.
17863         * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
17864         * exec-tool.in: New.
17865
17866 2007-04-12  Brooks Moses  <brooks.moses@codesourcery.com>
17867
17868         * doc/invoke.text (--help): Document --help=common.
17869
17870 2007-04-12  Thomas Neumann  <tneumann@users.sourceforge.net>
17871
17872         * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
17873
17874 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
17875
17876         * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
17877         * genemit.c (main): Emit #include "integrate.h".
17878         * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
17879         (LOADGP_RTP): New mips_loadgp_style.
17880         * config/mips/mips.h: Include config/vxworks-dummy.h.
17881         (TARGET_RTP_PIC): New macro.
17882         (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
17883         (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
17884         (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
17885         for TARGET_RTP_PIC.
17886         * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define.  Pass down
17887         -mvxworks-pic when using -mrtp and a PIC option.
17888         * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
17889         for RTP PIC.
17890         (mips_symbolic_constant_p, mips_symbolic_address_p)
17891         (mips_symbol_insns): Handle SYMBOL_HALF.
17892         (override_options): Warn about -G and -mrtp being used together.
17893         Initialize mips_lo_relocs[SYMBOL_HALF].
17894         (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
17895         (mips_emit_loadgp): Handle LOADGP_RTP.
17896         (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
17897         * config/mips/mips.md (loadgp_rtp): New insn and splitter.
17898         (tablejump): Handle function-relative case table entries if
17899         TARGET_RTP_PIC.
17900         * config/mips/predicates.md (symbol_ref_operand): New predicate.
17901
17902 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
17903
17904         * config/mips/mips.md (load_call<mode>): Allow any general register.
17905         destination.
17906         (sibcall_value_internal, sibcall_value_multiple_internal)
17907         (call_value_internal, call_value_split, call_value_multiple_internal)
17908         (call_value_multiple_split): Remove constraints from operand 0.
17909
17910 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
17911
17912         * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
17913         rather than loadgp_noshared.
17914         * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
17915         instead of gen_loadgp_noshared.  Use gen_loadgp_newabi instead of
17916         gen_loadgp.
17917         * config/mips/mips.md (loadgp): Rename to...
17918         (loadgp_newabi): ...this.
17919         (loadgp_noshared): Rename to...
17920         (loadgp_absolute): ...this.
17921
17922 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
17923
17924         * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
17925         false for locally-binding symbols.
17926         (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
17927
17928 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
17929
17930         * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
17931         (SYMBOL_GOT_PAGE_OFST): ...this.
17932         (SYMBOL_GOT_GLOBAL): Rename to...
17933         (SYMBOL_GOT_DISP): ...this.
17934         (SYMBOL_GOTOFF_GLOBAL): Rename to...
17935         (SYMBOL_GOTOFF_DISP): ...this.  Update comments accordingly.
17936         * config/mips/mips.c (mips_global_symbol_p): New function.
17937         (mips_symbol_binds_local_p): Likewise.
17938         (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
17939         and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST.  Use
17940         mips_global_symbol_p and mips_symbol_binds_local_p.
17941         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
17942         (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
17943         SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
17944         SYMBOL_GOTOFF_DISP.
17945         (mips_ok_for_lazy_binding_p): New function.
17946         (mips_load_call_address, mips_expand_call): Use it.
17947         (mips_dangerous_for_la25_p): Likewise.
17948         * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
17949         (*got_disp<mode>): Use got_disp_operand instead of
17950         global_got_operand.  Use SYMBOL_GOTOFF_DISP instead of
17951         SYMBOL_GOTOFF_GLOBAL.
17952         (*got_page<mode>): Use got_page_ofst_operand instead of
17953         local_got_operand.
17954         * config/mips/predicates.md (const_call_insn_operand): Use
17955         SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
17956         (global_got_operand): Rename to...
17957         (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
17958         SYMBOL_GOT_GLOBAL.
17959         (local_got_operand): Rename to...
17960         (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
17961         of SYMBOL_GOT_LOCAL.
17962
17963 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
17964
17965         * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
17966         TARGET_CALL_CLOBBERED_GP.
17967         (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
17968         (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
17969         (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
17970         (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
17971         of TARGET_ABICALLS && !TARGET_NEWABI.
17972         (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
17973         * config/mips/mips.c (mips_load_call_address): Check
17974         TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
17975         (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
17976         Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
17977         (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
17978         TARGET_ABICALLS && TARGET_NEWABI.
17979         (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
17980         TARGET_ABICALLS.
17981         (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
17982         (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
17983         TARGET_ABICALLS && TARGET_NEWABI.
17984         (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
17985         TARGET_ABICALLS.  Check TARGET_CALL_SAVED_GP instead of
17986         TARGET_NEWABI.  Use TARGET_USE_PIC_FN_ADDR_REG to decide
17987         whether indirect calls must use $25.
17988         (mips_extra_live_on_entry): Check TARGET_GOT instead of
17989         TARGET_ABICALLS.
17990         * config/mips/mips.md (jal_macro): Check flag_pic and
17991         TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
17992         (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
17993         instead of TARGET_ABICALLS.
17994         (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
17995         TARGET_ABICALLS && TARGET_OLDABI.
17996         (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
17997         (sibcall): In the comment above the define_insn, mention
17998         TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
17999         * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
18000         instead of TARGET_ABICALLS.
18001
18002 2007-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
18003
18004         * doc/md.texi (Blackfin family constraints): Document PA and PB.
18005         * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
18006         (MACFLAGS_MATCH_P): New macro.
18007         * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
18008         (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
18009         * config/bfin/bfin.md (MACFLAG_IS_M): New constant.  Renumber some of
18010         the other MACFLAG constants.
18011         (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
18012         (flag_machi): Tighten constraints.  Renumber some of the operands.
18013         (flag_machi_acconly): Tighten constraints.  Correct operand numbers in
18014         output template.
18015         (flag_machi_parts_acconly): New pattern.
18016         (flag_macinithi): Tighten constraints.  Allow any accumulator to be
18017         used.
18018         (flag_macinit1hi): Tighten constraints.
18019         (flag_mul_macv2hi_parts_acconly): New pattern.
18020
18021         * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
18022         Use a more efficient implementation.
18023         * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
18024         inline sequences when not optimizing for size.
18025
18026         * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
18027         movhi_high2low): Delete, merge functionality into...
18028         (packv2hi): ... this pattern.
18029
18030         2007-02-11  Jie Zhang  <jie.zhang@analog.com>
18031         * config/bfin/bfin.opt (msim): New option.
18032         (mcpu=): New option.
18033         * config/bfin/bfin-protos.h (enum bfin_cpu): New.
18034         (bfin_cpu_t): Typedef of enum bfin_cpu.
18035         (bfin_cpu_type): New declaration.
18036         * config/bfin/elf.h (STARTFILE_SPEC): Add support for
18037         -msim and -mcpu= options.
18038         (LIB_SPEC): Likewise.
18039         * config/bfin/bfin.c (bfin_cpu_type): Define.
18040         (bfin_handle_option): Handle -mcpu= option.
18041         * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
18042         (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
18043         __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
18044
18045 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
18046
18047         * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
18048         (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
18049         (powerpc-wrs-vxworksae): Use ${tm_file}.
18050         (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
18051         after elfos.h.  Remove i386/sysv4.h and add i386/vx-common.h.
18052         * config/i386/vx-common.h: New file.
18053
18054 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
18055
18056         * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
18057         of crt0.o%s.
18058
18059 2007-04-12  Andreas Krebbel  <krebbel1@de.ibm.com>
18060
18061         * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
18062         ldxtr.
18063
18064 2007-04-12  Douglas Gregor  <doug.gregor@gmail.com>
18065
18066         PR c++/31078
18067         PR c++/31103
18068         * c-common.c (c_build_qualified_type): Set canonical type
18069         appropriately.
18070
18071 2007-04-12  Richard Guenther  <rguenther@suse.de>
18072
18073         * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
18074         lower bound and element size if lower bound is not zero
18075         or either of the ARRAY_REF operands is set.
18076
18077 2007-04-12  Richard Guenther  <rguenther@suse.de>
18078
18079         PR tree-optimization/24689
18080         PR tree-optimization/31307
18081         * fold-const.c (operand_equal_p): Compare INTEGER_CST array
18082         indices by value.
18083         * gimplify.c (canonicalize_addr_expr): To be consistent with
18084         gimplify_compound_lval only set operands two and three of
18085         ARRAY_REFs if they are not gimple_min_invariant.  This makes
18086         it never at this place.
18087         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
18088
18089 2007-04-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
18090
18091         * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
18092         null before emitting a .nsubspa directive.
18093
18094 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
18095
18096         * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
18097         need_to_partition_p if there are no memory statements in the
18098         function.
18099
18100 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
18101
18102         * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
18103         (gcd_of_steps_may_divide_p): New function.
18104         (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
18105
18106 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
18107
18108         * reload.c (find_reloads_toplev, find_reloads_address,
18109         find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
18110         not a pointer equality test, to decide if we need to call
18111         push_reg_equiv_alt_mem.
18112
18113 2007-04-11  Sebastian Pop  <sebastian.pop@inria.fr>
18114
18115         * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
18116         insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps):
18117         New.
18118         (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
18119
18120 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
18121
18122         * tree-data-ref.c (add_multivariate_self_dist): Force the distance
18123         vector to be positive.
18124
18125 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
18126
18127         PR 30735
18128         PR 31090
18129         * doc/invoke.texi: Document --params max-aliased-vops and
18130         avg-aliased-vops.
18131         * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
18132         debug_memory_partitions): Move to tree-flow.h
18133         * params.h (AVG_ALIASED_VOPS): Define.
18134         * tree-ssa-alias.c (struct mp_info_def): Remove.  Update all
18135         users.
18136         (mp_info_t): Likewise.
18137         (get_mem_sym_stats_for): New.
18138         (set_memory_partition): Move from tree-flow-inline.h.
18139         (mark_non_addressable): Only clear the set of symbols for the
18140         partition if it exists.
18141         (dump_memory_partitions): Move from tree-ssa-operands.c
18142         (debug_memory_partitions): Likewise.
18143         (need_to_partition_p): New.
18144         (dump_mem_ref_stats): New.
18145         (debug_mem_ref_stats): New.
18146         (dump_mem_sym_stats): New.
18147         (debug_mem_sym_stats): New.
18148         (update_mem_sym_stats_from_stmt): New.
18149         (compare_mp_info_entries): New.
18150         (mp_info_cmp): Call it.
18151         (sort_mp_info): Change argument to a list of mem_sym_stats_t
18152         objects.
18153         (get_mpt_for): Move from tree-ssa-operands.c.
18154         (find_partition_for): New.
18155         (create_partition_for): Remove.
18156         (estimate_vop_reduction): New.
18157         (update_reference_counts): New.
18158         (build_mp_info): New.
18159         (compute_memory_partitions): Refactor.
18160         Document new heuristic.
18161         Call build_mp_info, update_reference_counts,
18162         find_partition_for and estimate_vop_reduction.
18163         (compute_may_aliases): Populate virtual operands before
18164         calling debugging dumps.
18165         (delete_mem_sym_stats): New.
18166         (delete_mem_ref_stats): New.
18167         (init_mem_ref_stats): New.
18168         (init_alias_info): Call it.
18169         (maybe_create_global_var): Remove alias_info argument.
18170         Get number of call sites and number of pure/const call sites
18171         from gimple_mem_ref_stats().
18172         (dump_alias_info): Call dump_memory_partitions first.
18173         (dump_points_to_info_for): Show how many times a pointer has
18174         been dereferenced.
18175         * opts.c (decode_options): For -O2 set --param
18176         max-aliased-vops to 500.
18177         For -O3 set --param max-aliased-vops to 1000 and --param
18178         avg-aliased-vops to 3.
18179         * fortran/options.c (gfc_init_options): Remove assignment to
18180         MAX_ALIASED_VOPS.
18181         * tree-flow-inline.h (gimple_mem_ref_stats): New.
18182         * tree-dfa.c (dump_variable): Dump memory reference
18183         statistics.
18184         Dump NO_ALIAS* settings.
18185         (referenced_var_lookup): Tidy.
18186         (mem_sym_stats): New.
18187         * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
18188         and ORIG are different SSA names for a memory partition.
18189         * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
18190         * tree-flow.h (struct mem_sym_stats_d): Define.
18191         (mem_sym_stats_t): Define.
18192         (struct mem_ref_stats_d): Define.
18193         (struct gimple_df): Add field mem_ref_stats.
18194         (enum noalias_state): Define.
18195         (struct var_ann_d): Add bitfield noalias_state.
18196         (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
18197         debug_mem_ref_stats, debug_memory_partitions,
18198         debug_mem_sym_stats): Declare.
18199         * tree-ssa-structalias.c (update_alias_info): Update call
18200         sites, pure/const call sites and asm sites in structure
18201         returned by gimple_mem_ref_stats.
18202         Remove local variable IS_POTENTIAL_DEREF.
18203         Increase NUM_DEREFS if the memory expression is a potential
18204         dereference.
18205         Call update_mem_sym_stats_from_stmt.
18206         If the memory references memory, call
18207         update_mem_sym_stats_from_stmt for all the direct memory
18208         symbol references found.
18209         (intra_create_variable_infos): Set noalias_state field for
18210         pointer arguments according to the value of
18211         flag_argument_noalias.
18212         * tree-ssa-structalias.h (struct alias_info): Remove fields
18213         num_calls_found and num_pure_const_calls_found.
18214         (update_mem_sym_stats_from_stmt): Declare.
18215         * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
18216         Set default value to 100.
18217         (PARAM_AVG_ALIASED_VOPS): Define.
18218
18219 2007-04-11  Richard Guenther  <rguenther@suse.de>
18220
18221         PR middle-end/31530
18222         * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
18223         a * -b + c as c - a * b if we honor sign dependent rounding.
18224
18225 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
18226
18227         * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
18228         bfin_expand_strmov.
18229         * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
18230         bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
18231         variables.
18232         (initialize_trampoline): Don't use old-style function definition.
18233         (bfin_secondary_reload): Mark IN_P argument as unused.
18234
18235 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
18236
18237         PR tree-optimization/31343
18238         * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
18239         (build_polynomial_chrec): Return a scalar when the evolution is zero.
18240         * testsuite/gcc.dg/vect/pr31343.c: New.
18241
18242 2007-04-10  Eric Christopher  <echristo@apple.com>
18243
18244         * config/i386/i386.h (X87_FLOAT_MODE_P): New.
18245         * config/i386/i386.md (*cmpfp0): Use.
18246         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
18247         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
18248         (fix_trunc<mode>_i386_fisttp): Ditto.
18249         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
18250         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
18251         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
18252         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
18253         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
18254         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
18255         (unnamed_splitters): Ditto.
18256         * config/i386/i386.c (output_fix_trunc): Assert that
18257         we're not being passed a TFmode operand.
18258
18259 2007-04-10  Zdenek Dvorak  <dvorakz@suse.cz>
18260
18261         PR tree-optimization/31526
18262         * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
18263         n_basic_blocks to find newly added blocks.
18264
18265 2007-04-10  Uros Bizjak  <ubizjak@gmail.com>
18266
18267         * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
18268         alternative.
18269         (fix_trunc<mode>si_sse): Ditto.
18270         (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
18271         (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
18272         (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
18273         (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
18274         (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
18275         expander using SSEMODEF mode macro.
18276         (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
18277         expander using SSEMODEF mode macro.
18278         (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
18279         *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
18280         (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
18281         *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
18282         (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
18283         *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
18284         (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
18285         Macroize insn using X87MODEF mode macro.
18286
18287 2007-04-09  H.J. Lu  <hongjiu.lu@intel.com>
18288
18289         * config/i386/sse.md (sse2_pinsrw): Removed.
18290         (sse2_pextrw): Renamed to ...
18291         (*sse2_pextrw): This.
18292
18293 2007-04-09  Jan Hubicka  <jh@suse.cz>
18294
18295         PR target/27869
18296         * config/i386/sse.md
18297         (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
18298         (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
18299         (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
18300         (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
18301
18302 2007-04-09  Jan Hubicka  <jh@suse.cz>
18303
18304         * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
18305         multiple fields of union.
18306
18307 2007-04-09  Zdenek Dvorak  <dvorakz@suse.cz>
18308
18309         * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
18310         (create_preheaders): Check that loops are available.
18311         (fix_loop_structure): Clean up, improve comments.
18312         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
18313         Check that loops are available.  Set LOOP_CLOSED_SSA to the loops
18314         state flags.
18315         * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
18316         * predict.c (tree_estimate_probability): Do not call
18317         calculate_dominance_info.  Call create_preheaders.
18318         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
18319         rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
18320         flags.
18321         * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
18322         * cfgloop.h (LOOP_CLOSED_SSA): New constant.
18323         * tree-cfg.c (tree_split_edge): Make an assert more precise.
18324         * tree-ssa-threadedge.c (thread_across_edge): Comment the function
18325         arguments.
18326
18327 2007-04-08  Jan Hubicka  <jh@suse.cz>
18328
18329         * tree.h (maybe_fold_offset_to_component_ref): Declare.
18330         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
18331         * fold-const.c (fold_unary): Use it.
18332
18333 2007-04-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
18334
18335         * varasm.c (assemble_variable): Remove call to
18336         lang_hooks.decls.prepare_assemble_variable.
18337         * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
18338         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
18339         * langhooks.h (lang_hooks_for_decls): Remove
18340         prepare_assemble_variable.
18341
18342 2007-04-08  Mike Stump  <mrs@apple.com>
18343
18344         * config/i386/i386.c: Use inc/dec on Core2.
18345
18346 2007-04-08  Steven Bosscher  <steven@gcc.gnu.org>
18347
18348         * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
18349         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
18350         lhd_tree_inlining_end_inlining): Remove.
18351         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
18352         add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
18353         end_inlining hooks.
18354         * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
18355         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
18356         lhd_tree_inlining_end_inlining): Remove prototypes.
18357         (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
18358         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
18359         LANG_HOOKS_TREE_INLINING_START_INLINING,
18360         LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
18361
18362         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
18363         not set it.
18364
18365 2007-04-08  Anatoly Sokolov <aesok@post.ru>
18366
18367         PR target/29932
18368         * config/avr/predicates.md (io_address_operand): Delete predicate.
18369         (low_io_address_operand): Don't use 'mode' argument.
18370         (higth_io_address_operand): Rename ...
18371         (high_io_address_operand): ... to this. Don't use 'mode' argument.
18372         * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
18373         for above change.
18374
18375 2007-04-07  Daniel Berlin  <dberlin@dberlin.org>
18376
18377         Revert change removing staticp.
18378
18379 2007-04-07  Anatoly Sokolov <aesok@post.ru>
18380
18381         PR target/30289
18382         * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
18383         earlyclobber.
18384
18385 2007-04-07  Bruce Korb  <bkorb@gnu.org>
18386
18387         * c.opt: Add -Wformat-contains-nul.
18388         * c-format.c (set_Wformat): Set warn_format_contains_nul to the
18389           -Wformat setting.
18390         (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
18391         the NUL byte warning.
18392
18393 2007-04-07  H.J. Lu  <hongjiu.lu@intel.com>
18394
18395         * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
18396
18397 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
18398
18399         * tree.c (staticp): No longer use staticp langhook.
18400         * langhooks.c (lhd_staticp): Removed.
18401         * langhooks.h (struct lang_hooks): Remove staticp.
18402         * c-common.c (c_staticp): Remove.
18403         * c-common.h (c_staticp): Ditto.
18404         * langhooks-defs.h (lhd_staticp): Ditto.
18405         (LHD_HOOKS_STATICP): Ditto
18406         * tree.h (gcc_assert_lowered): New macro.
18407
18408 2007-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
18409
18410         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
18411         argument "reliable".
18412         (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
18413         Add argument "reliable".  Propagate it through calls.
18414         (infer_loop_bounds_from_undefined): Derive number of iterations
18415         estimates from references in blocks that do not dominate loop latch.
18416         (gcov_type_to_double_int): New function.
18417         (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
18418         and expected_loop_iterations_unbounded.
18419         * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
18420         (expected_loop_iterations): Use expected_loop_iterations_unbounded.
18421         * tree-data-ref.c (estimated_loop_iterations): Export.
18422         (get_references_in_stmt): Fix -- do not return addresses of local
18423         objects.
18424         * cfgloop.h (expected_loop_iterations_unbounded,
18425         estimated_loop_iterations): Declare.
18426
18427 2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
18428
18429         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
18430
18431 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
18432
18433         * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
18434         and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
18435         (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
18436         Use output_387_reg_move().
18437         (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
18438         expander using X87MODEF12 mode macro.
18439         (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
18440         choosing register preferences.  Use output_387_reg_move().
18441         (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
18442         instead of "x".  Use output_387_reg_move().
18443         (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
18444         *truncxfdf2_i387_noop.  Macroize insn using X87MODEF12 mode macro.
18445         (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
18446         *truncxfdf2_i387.  Macroize insn using X87MODEF12 mode macro.
18447         Use output_387_reg_move().
18448         (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
18449         mode macro.
18450         (*truncxf?f_i387 splitter): Ditto.
18451
18452 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
18453
18454         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
18455         LANG_HOOKS_SAFE_FROM_P.
18456         * expr.c (safe_from_p): Remove langhook call.
18457         * langhooks.h (lang_hooks): Remove safe_from_p.
18458         (lhd_safe_from_p): Remove prototype.
18459         * langhooks.c (lhd_safe_from_p): Remove.
18460
18461 2007-04-06  Jan Hubicka  <jh@suse.cz>
18462
18463         * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
18464         functions.
18465
18466 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
18467
18468         * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
18469         * config/i386/i386.md (*movsf_1, *movdf_nointeger,
18470         *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
18471         *movxf_integer): Use output_387_reg_move() for x87 reg->mem
18472         alternative.
18473         (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
18474         *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
18475
18476 2007-04-05  Richard Henderson  <rth@redhat.com>
18477
18478         * config/alpha/alpha.c (print_operand) [+]: Remove.
18479         (alpha_end_function): Print nop if call at end of function.
18480         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
18481         * config/alpha/alpha.md (UNSPEC_LDGP1): New.
18482         (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
18483         (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
18484         (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
18485         the call pattern. Update peepholes to match.
18486
18487 2007-04-05  Janis Johnson  <janis187@us.ibm.com>
18488
18489         * doc/extend.texi (Other Builtins): Add decimal float variants
18490         of signbit.
18491         * builtins.def: Ditto.
18492         * builtins.c (expand_builtin): Ditto.
18493
18494 2007-04-05  Uros Bizjak  <ubizjak@gmail.com>
18495             H.J. Lu  <hongjiu.lu@intel.com>
18496
18497         PR target/31478
18498         * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
18499         of V8HImode when calling ix86_binary_operator_ok.
18500         (sse2_pmaddwd): Call ix86_binary_operator_ok.
18501         (sdot_prodv8hi): Operands 1 and 2 must be register.
18502
18503 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
18504
18505         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
18506         initialize align to silence bogus warning.
18507
18508 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
18509
18510         PR middle-end/22156
18511         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
18512         all_no_warning.
18513         (struct sra_walk_fns): Remove use_all parameter from use.
18514         (sra_hash_tree): Handle BIT_FIELD_REFs.
18515         (sra_elt_hash): Don't hash bitfld blocks.
18516         (sra_elt_eq): Skip them in parent compares as well.  Handle
18517         BIT_FIELD_REFs.
18518         (sra_walk_expr): Don't maintain or pass down use_all_p.
18519         (scan_use): Remove use_all parameter.
18520         (scalarize_use): Likewise.  Re-expand assignment to
18521         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
18522         output, and re-scalarize after output.  Don't mark anything
18523         for no warning.
18524         (scalarize_ldst): Adjust.
18525         (scalarize_walk_gimple_modify_statement): Likewise.
18526         (build_element_name_1): Handle BIT_FIELD_REFs.
18527         (instantiate_element): Don't warn for any element whose parent
18528         is used as a whole.
18529         (instantiate_missing_elements_1): Return the sra_elt.
18530         (canon_type_for_field): New.
18531         (try_instantiate_multiple_fields): New.
18532         (instantiate_missing_elemnts): Use them.
18533         (mark_no_warning): Removed.
18534         (generate_one_element_ref): Handle BIT_FIELD_REFs.
18535         (REPLDUP, sra_build_elt_assignment): New.
18536         (generate_copy_inout): Use them.
18537         (generate_element_copy): Likewise.  Handle bitfld differences.
18538         (generate_element_zero): Don't recurse for blocks.  Use
18539         sra_build_elt_assignment.
18540         (generate_one_element_int): Take elt instead of var.  Use
18541         sra_build_elt_assignment.
18542         (generate_element_init_1): Adjust.
18543         (scalarize_use, scalarize_copy): Use REPLDUP.
18544         (scalarize_ldst): Move assert before dereference.
18545         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
18546
18547 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
18548
18549         * regmove.c: Fix unused variable warnings due to previous commit.
18550
18551 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
18552
18553         * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
18554         (regmove_bb_head): Remove.
18555         (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
18556         (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
18557         problems with fixup_match_1.
18558         Don't initialize/free regmove_bb_head.
18559
18560         (reg_is_remote_constant_p): If an insn is in the same basic block
18561         but not before INSN, consider it remote, too.
18562
18563 2007-04-05  Anatoly Sokolov <aesok@post.ru>
18564
18565         PR target/25448
18566         * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
18567         DECL_ASSEMBLER_NAME, not the DECL_NAME.
18568
18569 2007-04-05  H.J. Lu  <hongjiu.lu@intel.com>
18570
18571         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
18572         (CONDITIONAL_REGISTER_USAGE): Likewise.
18573
18574 2007-04-04  Richard Henderson  <rth@redhat.com>
18575
18576         * config/alpha/lib1funcs.asm: Remove unused file.
18577
18578 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
18579
18580         PR other/31356
18581         * opts.c (print_specific_help): Fix --help=<language>
18582         header line.
18583         (common_handle_option): Support --help=common.
18584
18585 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
18586
18587         PR other/31353
18588         * gcc.c (main): Do not run the linker if
18589         print_subprocess_help indicates that it shouldn't be
18590         run.
18591
18592 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
18593
18594         PR doc/31355
18595         * doc/invoke.texi (--help=): Document <languages> value, fix
18596         formatting in tables of values.
18597
18598 2007-04-04  Danny Smith  <dannysmith.users.sourceforge.net>
18599
18600         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
18601         dllimport attribute of virtual methods.
18602
18603 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
18604
18605         * config/score/crti.asm: Change _bss_start to __bss_start.
18606         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
18607         (OUTGOING_REG_PARM_STACK_SPACE) update.
18608         * config/score/score.opt: add options to make backend support
18609         score5, score5u, score7 and score7d.
18610         * config/score/score.md: Likewise.
18611         * config/score/misc.md: Likewise.
18612         * config/score/mac.md: Likewise.
18613         * doc/invoke.texi: Likewise.
18614         * doc/md.texi: update constraints define.
18615
18616 2007-04-03  Richard Henderson  <rth@redhat.com>
18617
18618         * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
18619         an appropriate type, use the mode instead.
18620
18621 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
18622
18623         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
18624         Set the default --with-arch setting to mips2.
18625         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
18626         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
18627         (MULTILIB_OSDIRNAMES): Delete.
18628         (MULTILIB_DIRNAMES): Define.
18629         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
18630         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
18631         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
18632         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
18633         VXWORKS_OS_CPP_BUILTINS.
18634         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
18635         (MIPS_DEBUGGING_INFO): Undefine.
18636         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
18637
18638 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
18639
18640         PR middle-end/30704
18641         * fold-const.c (native_encode_real): Encode real.c provided longs
18642         as a series of 32-bit native integers.
18643         (native_interpret_real): Interpret buffer as a series of 32-bit
18644         native integers.
18645
18646 2007-04-03  Richard Guenther  <rguenther@suse.de>
18647
18648         * genpreds.c (write_insn_constraint_len): Write function
18649         optimized for CONSTRAINT_LEN implementation.
18650         (write_tm_preds_h): Output insn_constraint_len inline and
18651         use it for CONSTRAINT_LEN.
18652         (write_insn_preds_c): Don't output insn_constraint_len.
18653         * doc/md.texi (define_register_constraint): Document multi-letter
18654         constraints shall have the same length if they start with the same
18655         letter.
18656
18657 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
18658
18659         PR target/31175
18660         * config/i386/i386.md (isinf<mode>2): Expand only when
18661         TARGET_C99_FUNCTIONS is set.
18662
18663 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
18664
18665         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
18666         (x86_64-*-linux*): Ditto.
18667         * config/i386/i386.opt (mpc): New option.
18668         * config/i386/i386.c (overrride_options): Handle
18669         ix87_precision_string.
18670         * config/i386/crtprec.c: New file.
18671         * config/i386/t-crtpc: Ditto.
18672         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
18673         and -mpc80 options.
18674         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
18675         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
18676         crtprec32.o, crtprec64.o and crtprec80.o.
18677
18678         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
18679         and -mpc80 options.
18680         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
18681
18682 2007-04-02  Eric Christopher  <echristo@apple.com>
18683
18684         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
18685         limitations on darwin.
18686
18687 2007-04-02  Anatoly Sokolov <aesok@post.ru>
18688
18689         PR target/31137
18690         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
18691
18692 2007-04-02  Dave Korn  <dave.korn@artimi.com>
18693
18694         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
18695
18696 2007-04-02  Dave Korn  <dave.korn@artimi.com>
18697
18698         * libgcc2.h (exception_descriptor): Don't forward-declare.
18699         (__get_eh_table_language, __get_eh_table_version): Delete
18700         prototypes of long-dead functions.
18701
18702 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
18703
18704         * ebitmap.h: New file
18705         * ebitmap.c: New file
18706         * Makefile.in (ebitmap.o): New target.
18707
18708 2007-04-01  Jan Hubicka  <jh@suse.cz>
18709
18710         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
18711         before very first instruction.
18712
18713 2007-04-01  Jan Hubicka  <jh@suse.cz>
18714
18715         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
18716         waring on 64bit hosts.
18717         * bitmap.h: Fix typo in bitmap_head_def.
18718
18719 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
18720
18721         PR rtl-optimization/31391
18722         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
18723         into a DELETED_LABEL note, and the label is in an empty basic
18724         block, update BB_END as well as BB_HEAD.
18725
18726 2007-04-01  Richard Henderson  <rth@redhat.com>
18727
18728         PR tree-optimization/31169
18729         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
18730         to varying if the range is outside [0,  prec-1].
18731
18732 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
18733
18734         PR target/31388
18735         * config/mips/mips.md (load_const_gp): New insn.
18736         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
18737         the MIPS16 GP pseudo register if no_new_pseudos.
18738         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
18739
18740 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
18741
18742         PR target/31364
18743         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
18744         secureplt.
18745         (call_value): Likewise.
18746
18747 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
18748             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
18749
18750         PR 14737
18751         * doc/invoke.texi: (optimization options): Reword description
18752         of -ffast-math. Document its primary purpose.
18753
18754 2007-03-31  Richard Guenther  <rguenther@suse.de>
18755
18756         * omp-low.c (splay-tree.h): Include.
18757         (lookup_decl): Replace splay-tree usage by pointer-map.
18758         (maybe_lookup_decl): Likewise.
18759         (new_omp_context): Likewise.
18760         (delete_omp_context): Likewise.
18761         * gimplify.c (splay-tree.h): Include.
18762         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
18763         pointer-map.
18764         (remap_ssa_name): Likewise.
18765         (remap_decl): Likewise.
18766         (remap_type_1): Likewise.
18767         (remap_type): Likewise.
18768         (copy_body_r): Likewise.
18769         (expand_call_inline): Likewise.
18770         (clone_body): Likewise.
18771         (copy_tree_r): Likewise.
18772         (remap_save_expr): Likewise.
18773         (unsave_r): Likewise.
18774         (unsave_expr_now): Likewise.
18775         (tree_function_versioning): Likewise.
18776         (build_duplicate_type): Likewise.
18777         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
18778         (struct copy_body_data): Replace splay-tree by pointer-map.
18779         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
18780         not $(SPLAY_TREE_H).
18781         (gimplify.o): Depend on $(SPLAY_TREE_H).
18782         (omp-low.p): Likewise.
18783
18784 2007-03-31  Anatoly Sokolov <aesok@post.ru>
18785
18786         * config/avr/predicates.md (even_register_operand,
18787         odd_register_operand): New predicates.
18788         * config/avr/avr.md (movw peephole2): New.
18789         (movw_r peephole2): New.
18790
18791 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
18792
18793         * tree.h (get_signed_or_unsigned_type): New.
18794         * fold-const.c (operand_equal_for_comparison_p): Use
18795         get_signed_or_unsigned_type instead of
18796         lang_hooks.types.signed_or_unsigned_type.
18797         * expr.c (store_expr): Ditto.
18798         * langhooks.c (get_signed_or_unsigned_type): New.
18799         (lhd_signed_or_unsigned_type): New.
18800         * langhooks.h (lhd_signed_or_unsigned_type): New.
18801         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
18802
18803 2007-03-30  Richard Henderson  <rth@redhat.com>
18804
18805         * tree-ssa-loop-ivopts.c: Include target.h.
18806         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
18807         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
18808         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
18809         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
18810
18811 2007-03-30  Richard Henderson  <rth@redhat.com>
18812             Kai Tietz  <kai.tietz@onevision.com>
18813
18814         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
18815         default for 64-bit.
18816         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
18817         (TARGET_64BIT_MS_ABI): New.
18818         (DBX_REGISTER_NUMBER): Handle 64-bit.
18819         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
18820         (LONG_TYPE_SIZE): Force to 32.
18821         (REG_PARM_STACK_SPACE): New.
18822         (OUTGOING_REG_PARM_STACK_SPACE): New.
18823         (REGPARM_MAX, SSE_REGPARM_MAX): New.
18824         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
18825         (STACK_BOUNDARY): Use 128 for 64-bit.
18826         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
18827         Add 64-bit implementation.
18828         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
18829         argument unused.
18830         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
18831         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
18832         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
18833         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
18834         (ix86_handle_cconv_attribute): Don't warn when ignoring if
18835         TARGET_64BIT_MS_ABI.
18836         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
18837         (ix86_pass_by_reference): Likewise.
18838         (ix86_function_value_regno_p): Likewise.
18839         (ix86_build_builtin_va_list): Likewise.
18840         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
18841         (function_arg_advance_ms_64): New.
18842         (function_arg_advance): Call it.
18843         (function_arg_ms_64): New.
18844         (function_arg): Call it.
18845         (function_value_ms_64): New.
18846         (ix86_function_value_1): Call it.
18847         (return_in_memory_ms_64): New.
18848         (ix86_return_in_memory): Call it.
18849         (setup_incoming_varargs_ms_64): New.
18850         (ix86_setup_incoming_varargs): Call it.
18851         (ix86_expand_prologue): Handle 64-bit stack probing.
18852         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
18853         (output_pic_addr_const): Likewise.
18854         (x86_this_parameter): Likewise.
18855         (x86_output_mi_thunk): Likewise.
18856         (x86_function_profiler): Likewise.
18857         (TARGET_STRICT_ARGUMENT_NAMING): New.
18858         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
18859         (TARGET_64BIT_MS_ABI): New.
18860         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
18861         * config/i386/i386.md (allocate_stack_worker): Remove.
18862         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
18863         describe the clobber of eax without a match_scratch.
18864         (allocate_stack_worker_postreload): Remove.
18865         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
18866         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
18867         (allocate_stack_worker_rex64_postreload): Remove.
18868         (allocate_stack): Handle 64-bit.
18869         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
18870         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
18871         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
18872         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
18873         (STANDARD_STARTFILE_PREFIX_1): Likewise.
18874         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
18875         * config.build (x86_64-*-mingw*): New host.
18876         * config.host (x86_64-*-mingw*): New host.
18877         * config.gcc (x86_64-*-mingw*): New target.
18878         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
18879
18880 2007-03-30  Richard Henderson  <rth@redhat.com>
18881             Kai Tietz  <kai.tietz@onevision.com>
18882
18883         * c-pragma.c (struct def_pragma_macro_value): New.
18884         (struct def_pragma_macro): New.
18885         (pushed_macro_table): New.
18886         (dpm_hash, dpm_eq): New.
18887         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
18888         (init_pragma): Install them.
18889         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
18890
18891 2007-03-30  Anatoly Sokolov <aesok@post.ru>
18892
18893         * config/avr/avr.c (avr_override_options): Clear
18894         'flag_delete_null_pointer_checks'.
18895
18896 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
18897
18898         PR c++/26099
18899         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
18900         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
18901         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
18902         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
18903         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
18904         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
18905         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
18906         C++ extensions.
18907         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
18908
18909 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
18910
18911         * regmove.c: Move all of pass_stack_adjustments from here...
18912         * combine-stack-adj.c: ...to this new file.
18913         * Makefile.in: Add rules for combine-stack-adj.o.
18914
18915 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
18916
18917         PR tree-optimization/31383
18918         * tree-data-ref.c (affine_function_equal_p): Do not require the
18919         vectors to have the same length.
18920
18921 2007-03-30  Jan Hubicka  <jh@suse.cz>
18922
18923         PR middle-end/30700
18924         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
18925         availablility; add more sanity checking; ask varpool only about
18926         VAR_DECL.
18927
18928 2007-03-29  Richard Henderson  <rth@redhat.com>
18929
18930         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
18931         to decide, but __SIZEOF_LONG_LONG__.
18932
18933 2007-03-29  Richard Henderson  <rth@redhat.com>
18934
18935         * emutls.c (struct __emutls_array): New.
18936         (emutls_destroy): Use it instead of casting element 0 from void*.
18937         (__emutls_get_address): Likewise.
18938
18939 2007-03-29  Richard Henderson  <rth@redhat.com>
18940
18941         * varasm.c (initializer_constant_valid_p): Don't deny
18942         DECL_DLLIMPORT_P on functions.
18943
18944         * config/i386/cygming.h: Remove function declarations.
18945         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
18946         (ASM_OUTPUT_LABELREF): Remove.
18947         (COMMON_ASM_OP): Remove.
18948         (ASM_OUTPUT_COMMON): Remove.
18949         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
18950         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
18951         (ASM_DECLARE_FUNCTION_NAME): Likewise.
18952         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
18953         Rename from TARGET_ENCODE_SECTION_INFO.
18954         * config/i386/netware.h: Likewise.
18955         * config/i386/i386-protos.h: Update.
18956         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
18957         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
18958         (legitimate_constant_p): Reject dllimports.
18959         (dllimport_map, get_dllimport_decl): New.
18960         (legitimize_dllimport_symbol): New.
18961         (legitimize_address, ix86_expand_move): Use it.
18962         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
18963         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
18964         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
18965         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
18966         * config/i386/predicates.md (constant_call_address_operand): Only
18967         accept symbols; reject dllimport_p symbols.
18968         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
18969         i386_pe_maybe_record_exported_symbol.
18970         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
18971         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
18972         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
18973         trust the setting of DECL_DLLIMPORT_P.
18974         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
18975         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
18976         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
18977         tidy the argument scanning loop.
18978         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
18979         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
18980         (i386_pe_strip_name_encoding): Remove.
18981         (i386_pe_binds_local_p): New.
18982         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
18983         (i386_pe_output_labelref): Remove.
18984         (i386_pe_asm_output_aligned_decl_common): New.
18985         (i386_pe_maybe_record_exported_symbol): Rename from
18986         i386_pe_record_exported_symbol; check for dllexported symbols.
18987
18988 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
18989
18990         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
18991         add comment explaining why vsnprintf cannot be used.
18992
18993 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
18994
18995         PR tree-optimization/30666
18996         * tree.c (build_complex_type): When creating type names for DWARF2
18997         debug info, create TYPE_DECLs for TYPE_NAME instead of
18998         IDENTIFIER_NODEs.
18999         (build_common_tree_nodes_2): Use build_complex_type when building
19000         predefined complex types, to preserve canonical types.
19001
19002 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
19003
19004         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
19005         (noce_get_alt_condition): Look at it to determine whether to
19006         reverse the condition or not.
19007         (noce_get_condition): Substitute the truth for lies.
19008         (noce_find_if_block): Set the then_else_reversed field.
19009
19010 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
19011
19012         * config/fr30/fr30.md (movdi): Do not accept immediates as the
19013         destination of this insn.
19014         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
19015         than calling gen_rtx_SET directly.  Use r0 to hold the value of
19016         'address + 4' rather than a stack based temporary which can be
19017         mis-optimized away.
19018
19019 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
19020
19021         * config/s390/s390.c (s390_secondary_input_reload_class,
19022         s390_secondary_output_reload_class): Functions removed.
19023         (s390_secondary_reload): New function.
19024         (TARGET_SECONDARY_RELOAD): Target macro defined.
19025         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
19026         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
19027         * config/s390/s390.md ("reload_outti", "reload_outdi",
19028         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
19029         "reload_out<mode>"): Expanders removed.
19030         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
19031         "reload<mode>_nonoffmem_out"): Expanders added.
19032
19033 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
19034
19035         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair
19036         action if SRC->DEST replacement failed anyway.
19037
19038 2007-03-28  Mike Stump  <mrs@apple.com>
19039
19040         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
19041         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
19042         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
19043
19044 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
19045
19046         * config.gcc: Accept barcelona as a variant of amdfam10.
19047         * config/i386/i386.c (override_options): Likewise.
19048         * doc/invoke.texi: Likewise.
19049
19050 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
19051
19052         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
19053         offsets for BIT_FIELD_REF and COMPONENT_REF.
19054
19055 2007-03-28  Richard Guenther  <rguenther@suse.de>
19056
19057         * tree.c (is_global_var): Move ...
19058         * tree-flow-inline.h (is_global_var): ... here.
19059         * tree.h (is_global_var): Remove declaration.
19060
19061 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
19062
19063         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
19064         option.
19065         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
19066         * config/i386/i386.c (ix86_tune_features): Initialize new
19067         tuning option.
19068         * config/i386/predicates.md (promotable_binary_operator): Use
19069         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
19070
19071 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
19072
19073         PR target/31380
19074         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
19075
19076 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
19077
19078         * config/fr30/fr30.md (movsi_internal): Change destination
19079         constraint from m to V and add m to the end.
19080
19081 2007-03-28  Christian Bruel  <christian.bruel@st.com>
19082
19083         * config/sh/sh.md (movsi_i): Fix type attribute.
19084
19085 2007-03-28  Christian Bruel  <christian.bruel@st.com>
19086
19087         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
19088         (movsf_ie): Likewise.
19089
19090 2007-03-28  Christian Bruel  <christian.bruel@st.com>
19091
19092         * config.gcc: Add sh4-300 to multilib.
19093         * config/sh/t-mlib-sh4-300: New file.
19094
19095 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
19096
19097         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
19098         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
19099         fix_trunc<mode>di2.
19100         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
19101         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
19102         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
19103         "fixuns_trunctddi2"): Whitespace fix.
19104
19105 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
19106
19107         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
19108         the definition of struct sh_args.
19109         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
19110         CALL_COOKIE_INT_REG_GET): Likewise.
19111
19112 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
19113
19114         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
19115         transformations are applied successfully.
19116
19117 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
19118
19119         * tree.c (tree_contains_struct): Permit 512 tree codes.
19120         * tree.h (tree_contains_struct): Ditto.
19121         (MAX_TREE_CODES): Ditto.
19122         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
19123         SPARE member to store remaining padding bits.
19124
19125 2007-03-27  Anatoly Sokolov <aesok@post.ru>
19126
19127         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
19128         architecture.
19129
19130 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
19131
19132         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
19133         * configure: Regenerate.
19134
19135         * configure: Regenerate using the correct version of autoconf.
19136
19137 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
19138
19139         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
19140         pointer regs.
19141         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
19142         regs to "__SP_L__" and "__SP_H__".
19143
19144 2007-03-27  Richard Guenther  <rguenther@suse.de>
19145
19146         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
19147         computations with it with a HOST_WIDE_INT variable.
19148
19149 2007-03-26  Mike Stump  <mrs@apple.com>
19150
19151         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
19152         objective-c-header, objective-c++-header and objc++-cpp-output
19153         support.
19154         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
19155
19156 2007-03-26  Richard Henderson  <rth@redhat.com>
19157
19158         PR target/31361
19159         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
19160         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
19161         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
19162         IX86_BUILTIN_PSRLQ128): New.
19163         (ix86_init_mmx_sse_builtins): Add them.
19164         (ix86_expand_builtin): Expand them.
19165         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
19166         operand 2 be TImode.
19167         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
19168         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
19169         _mm_srli_epi64): Mark __B const.
19170         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
19171         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
19172         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
19173         new two-vector shift builtins.
19174
19175 2007-03-26  Ian Lance Taylor  <iant@google.com>
19176
19177         PR tree-optimization/31345
19178         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
19179         [+INF, +INF(OVF)] into VARYING.
19180
19181 2007-03-26  Zack Weinberg  <zackw@panix.com>
19182
19183         * gengtype-parse.c: New file.
19184         * gengtype-yacc.y: Delete.
19185         * gengtype-lex.l: Don't include gengtype-yacc.h.
19186         Define YY_DECL and yyterminate appropriately for recursive
19187         descent parser.  yylval is now a string out-parameter to yylex.
19188         (HWS, EOID): New shorthand.
19189         (IWORD): Add a couple more types.
19190         (yylex): Add a setup stanza.  Remove the complex rules for
19191         detecting GTY'ed types and typedefs; replace with simple
19192         keyword detectors.  Adjust everything for the changed
19193         definition of yylval.  Ignore all pp-directives, not just #define.
19194         (yyerror): Delete.
19195         (parse_file): Rename yybegin; do not call yyparse.
19196         (yyend): New.
19197         * gengtype.c (xasprintf): Export again.
19198         (this_file): New.  Use everywhere __FILE__ was being used.
19199         (get_lang_bitmap): Special case types defined in gengtype.c.
19200         (do_typedef, new_structure): Suppress definition of certain types.
19201         (new_structure): Improve diagnostics of duplicate definitions.
19202         Make sure location_s is associated with input.h.
19203         (nreverse_pairs, define_location_structures): New functions.
19204         (main): Improve tagging of kludge types.  Remove old kludges
19205         for input.h types; use define_location_structures.
19206         * gengtype.h: Update prototypes.  Define token codes here.
19207         * Makefile.in: Remove all references to gengtype-yacc.
19208         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
19209         and gengtype.
19210         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
19211         add GTY((skip)) to the field that's only conditionally there.
19212         * doc/install.texi: Document that Bison is no longer required
19213         unless building treelang.
19214
19215         * gengtype.c: Don't include gtyp-gen.h.
19216         (srcdir): Declare here.
19217         (base_files, lang_dir_names): Allocate dynamically.
19218         (gt_files, num_gt_files, num_lang_dirs): New globals.
19219         (measure_input_list, read_input_line, read_input_list)
19220         (set_lang_bitmap): New functions.
19221         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
19222         simplify, relying on read_input_list to set up the bitmaps.
19223         (main): Arguments are no longer unused.  Check for correct number
19224         of command line arguments, set srcdir and srcdir_len, then call
19225         read_input_list, before doing anything else.  No need to worry
19226         about duplicates in main loop.
19227         * configure.ac: Simplify the calculation of all_gtfiles.
19228         Put language tags in there.  Don't set or substitute
19229         all_gtfiles_files_langs or all_gtfiles_files_frags.
19230         * Makefile.in: Revamp the way gengtype is invoked, now that it
19231         takes a file on its command line with a much simpler format.
19232         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
19233         (GTFILES): Remove duplicates and C source files.
19234         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
19235         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
19236         * configure: Regenerate.
19237
19238         * gengtype.h: Remove all type definitions to gengtype.c; leave
19239         only definitions of options_p, type_p, and pair_p as opaque
19240         pointers.  Update prototypes.
19241         * gengtype.c: Many type definitions moved here from gengtype.h.
19242         Consolidate type definitions at the top of the file.
19243         (xvasprintf): Delete.
19244         (xasprintf): Make static.
19245         (create_nested_pointer_option): Add 'next' parameter.
19246         (create_field_all, create_field_at): New functions.
19247         (create_field): Now a thin wrapper around create_field_all.
19248         (create_optional_field): Rename create_optional_field_ and add
19249         line argument.  Original name is now a macro which supplies
19250         __LINE__.
19251         (oprintf): Use vsnprintf directly.
19252         (close_output_files): Use fatal rather than perror/exit.
19253         (note_def_vec, note_def_vec_alloc): Use create_field_at.
19254         (main): Set progname.  Don't use exit.
19255         * gengtype-yacc.y (struct_fields): Use create_field_at.
19256         (option, optionseqopt): Delete.
19257         (optionseq): Consolidate productions from option here so we
19258         can use the first argument to create_option.
19259
19260         * gengtype-lex.l: Distinguish unions from structures in the
19261         token type.  Don't call find_structure; return the tag as a string.
19262         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and
19263         ENT_UNION.  Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is
19264         string.  Reorganize typedef_struct production accordingly.
19265         Use create_nested_ptr_option.
19266         * gengtype.c (create_nested_ptr_option): New function.
19267         * gengtype.h: Declare it.
19268
19269         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
19270         (string_type): Don't declare.
19271         (do_scalar_typedef): Declare.
19272         (create_scalar_type): Update prototype.
19273         * gengtype.c (string_type): Make static.
19274         (scalar_nonchar, scalar_char): New.
19275         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
19276         (resolve_typedef): Use scalar_nonchar for error recovery.
19277         (create_scalar_type): Remove name_len field.  Return scalar_char
19278         or scalar_nonchar as appropriate.
19279         (adjust_field_type): Look at scalar_is_char boolean to decide whether
19280         to use string_type.
19281         (throughout): Use scalar_nonchar instead of calling
19282         create_scalar_type, whenever possible.
19283         (main): Initialize scalar_char and scalar_nonchar before calling
19284         gen_rtx_next.
19285         * gengtype-lex.l: Adjust for removal of second argument to
19286         create_scalar_type.  Use yylval.s instead of yylval.t when
19287         returning SCALAR.
19288         * gengtype-yacc.y: Type of SCALAR is string.  Call
19289         create_scalar_type from type:SCALAR rule.  Adjust for removal of
19290         second argument to create_scalar_type.
19291
19292         * vec.h: Remove all #if IN_GENGTYPE blocks.
19293         Add comment saying that changes may require adjustments to gengtype.
19294         * gengtype.c: Don't include coretypes.h or tm.h.
19295         Add comment to inclusion of errors.h.
19296         (note_def_vec, note_def_vec_alloc): New functions.
19297         * gengtype.h: Declare new functions.
19298         * gengtype-lex.l: Don't include coretypes.h.
19299         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
19300         Delete.
19301         (update_lineno): Remove unnecessary prototype.
19302         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
19303         (VEC rule): Just return VEC_TOKEN.
19304         * gengtype-yacc.y (VEC_TOKEN): New token type.
19305         (type): Add a production for VEC(a,b).
19306         * Makefile.in: Update dependencies.
19307
19308         * gengtype-lex.l: Remove rules for parsing pointer-to-function
19309         typedefs that use the old PARAMS macro.
19310
19311         * gengtype-lex.l: Remove all rules and states relating to yacc
19312         input files.
19313         * gengtype-yacc.y: Similarly.
19314         * gengtype.c (note_yacc_type): Delete function.
19315         * gengtype.h: Update prototypes.
19316
19317 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
19318
19319         * tree-pretty-print.c (dump_generic_node): Report precision of
19320         unnamed integer types.
19321
19322 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
19323
19324         * ifcvt.c (noce_try_store_flag_constants): Don't check
19325         no_new_pseudos here.
19326         (noce_try_store_flag_constants): Don't check no_new_pseudos.
19327         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
19328         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
19329         noce_try_sign_mask): Likewise.
19330         (if_convert): Check no_new_pseudos here.
19331
19332         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
19333         Remove prototypes.
19334         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
19335         (noce_get_condition): Handle new then_else_reversed argument.
19336         (noce_init_if_info): Remove, fold into noce_find_if_block.
19337         (noce_process_if_block): Take a struct noce_if_info as the
19338         argument.  Don't set up one based on ce_if_info.  Update pointer
19339         references accordingly.
19340         (cond_move_process_if_block): Likewise.
19341         (process_if_block): Removed.
19342         (find_if_block): Removed.  Move functionality two new functions,
19343         noce_find_if_block and cond_exec_find_if_block.
19344         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
19345         blocks and the symmetric IF-ELSE-JOIN case.
19346         (cond_exec_find_if_block): Also new function mostly based on old
19347         find_if_block and process_if_block.
19348         (find_if_header): Replace find_if_block call with separately
19349         guarded calls to noce_find_if_block and cond_exec_find_if_block.
19350         (find_cond_trap): Update noce_get_condition call.
19351         (dead_or_predicable): Likewise.
19352
19353 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
19354
19355         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
19356         Remove.
19357         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
19358         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
19359         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
19360         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
19361         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
19362         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
19363         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
19364         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
19365         __builtin_ia32_psrad128 builtins.
19366
19367 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
19368
19369         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
19370         * config/i386/constraints.md
19371         (define_constraint "I"): Use IN_RANGE macro.
19372         (define_constraint "J"): Ditto.
19373         (define_constraint "K"): Ditto.
19374         (define_constraint "M"): Ditto.
19375         (define_constraint "N"): Ditto.
19376         (define_constraint "O"): Ditto.
19377         * config/i386/predicates.md
19378         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
19379         (define_predicate "const_0_to_3_operand"): Ditto.
19380         (define_predicate "const_0_to_7_operand"): Ditto.
19381         (define_predicate "const_0_to_15_operand"): Ditto.
19382         (define_predicate "const_0_to_63_operand"): Ditto.
19383         (define_predicate "const_0_to_255_operand"): Ditto.
19384         (define_predicate "const_1_to_31_operand"): Ditto.
19385         (define_predicate "const_2_to_3_operand"): Ditto.
19386         (define_predicate "const_4_to_7_operand"): Ditto.
19387
19388 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
19389
19390         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
19391         in SImode for save_world.
19392         * config/rs6000/altivec.md (save_world, restore_world): Convert to
19393         LR hard reg.
19394
19395 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
19396
19397         PR tree-optimization/30784
19398         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
19399         BIT_FIELD_REF.
19400
19401 2007-03-25  Revital Eres  <eres@il.ibm.com>
19402
19403         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
19404           Fold movement_possibility function into it.
19405
19406 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
19407
19408         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
19409         (load_macho_picbase_{si,di}): Convert to LR hard reg.
19410         (call_indirect_nonlocal_darwin64): Same.
19411         (call_nonlocal_darwin64): Same.
19412         (call_value_indirect_nonlocal_darwin64): Same.
19413         (call_value_nonlocal_darwin64): Same.
19414         (sibcall_nonlocal_darwin64): Same.
19415         (sibcall_value_nonlocal_darwin64): Same.
19416         (sibcall_symbolic_64): Same.
19417         (sibcall_value_symbolic_64): Same.
19418         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
19419         LR pseudo.
19420         (rs6000_emit_load_toc_table): Same.
19421         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
19422         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
19423         (mull_call): Same.
19424         (divss_call): Same.
19425         (divus_call): Same.
19426         (quoss_call): Same.
19427         (quous_call): Same.
19428         (load_toc_v4_pic_si): Same
19429         (load_toc_v4_PIC_1): Same.
19430         (load_toc_v4_PIC_1b): Same.
19431         (call_indirect_aix{32,64}): Same.
19432         (call_value_indirect_aix{32,64}): Same.
19433         (call): Same.
19434         (call_value): Same.
19435         (call_local{32,64}): Same.
19436         (call_value_local{32,64}): Same.
19437         (call_indirect_nonlocal_aix{32,64}): Same.
19438         (call_nonlocal_aix{32,64}): Same.
19439         (call_value_indirect_nonlocal_aix{32,64}): Same.
19440         (call_value_nonlocal_aix{32,64}): Same.
19441         (call_indirect_nonlocal_sysv<mode>): Same.
19442         (call_nonlocal_sysv<mode>): Same.
19443         (call_value_indirect_nonlocal_sysv<mode>): Same.
19444         (call_value_nonlocal_sysv<mode>): Same.
19445         (sibcall): Same.
19446         (sibcall_local{32,64}): Same.
19447         (sibcall_value_local{32,64}): Same.
19448         (sibcall_nonlocal_aix{32,64}): Same.
19449         (sibcall_value_nonlocal_aix{32,64}): Same.
19450         (sibcall_nonlocal_sysv<mode>): Same.
19451         (sibcall_value): Same.
19452         (sibcall_value_nonlocal_sysv<mode>): Same.
19453
19454 2007-03-24  Paul Brook  <paul@codesourcery.com>
19455
19456         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
19457         * config/arm/linux-eabi.h: Remove legacy syscall hack.
19458
19459 2007-03-24  Richard Henderson  <rth@redhat.com>
19460
19461         * config/ia64/constraints.md: New file.
19462         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
19463         satisfies_constraint_?.
19464         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
19465         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
19466         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
19467         ia64_output_mi_thunk): Likewise.
19468         (ia64_const_ok_for_letter_p): Remove.
19469         (ia64_const_double_ok_for_letter_p): Remove.
19470         (ia64_extra_constraint): Remove.
19471         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
19472         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
19473         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
19474         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
19475         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
19476         EXTRA_MEMORY_CONSTRAINT): Remove.
19477         * config/ia64/ia64.md: Include constriants.md.  Replace
19478         CONST_OK_FOR_? with satisfies_constraint_?.
19479
19480 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
19481             H.J. Lu  <hongjiu.lu@intel.com>
19482
19483         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
19484         DPD or BID name.
19485         (name macros): Use DPD_BID_NAME to convert names properly.
19486
19487         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
19488         decimal floating point format.
19489         (init_floating_libfuncs): Change decimal functions so that they
19490         have a "bid_" prefix if the decimal system uses the BID format,
19491         and "dpd_" prefix if the decimal system uses the DPD format.
19492         (init_interclass_conv_libfuncs): Ditto.
19493         (init_intraclass_conv_libfuncs): Ditto.
19494
19495         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
19496         using the BID format.
19497
19498         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
19499         whether we are using the BID decimal format.
19500         * configure: Regenerate.
19501
19502         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
19503         the compiler has decimal floating point enabled.  Define
19504         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
19505         instead of DPD.
19506
19507         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
19508         using the BID format.
19509
19510         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
19511         whether we are using the BID decimal format.
19512         * configure: Regenerate.
19513
19514         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
19515         the compiler has decimal floating point enabled.  Define
19516         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
19517         instead of DPD.
19518
19519         * doc/install.texi (--enable-decimal-float): Document BID and DPD
19520         options, and that it is enabled for i386/x86_64 systems.
19521
19522         * Makefile.in (enable_decimal_float): New.
19523         (DECNUMFMT): New.
19524         (DECNUMINC): Add  -I$(DECNUMFMT).
19525         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
19526         to $(DECNUMFMT) from $(DECNUM).
19527
19528         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
19529         Substitute enable_decimal_float.
19530         * configure: Regenerated.
19531
19532         PR other/30529
19533         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
19534         unsigned long.
19535
19536         * configure.ac: Enable decimal float for x86_64-*-linux*.
19537         * configure: Regenerated.
19538
19539         PR other/30530
19540         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
19541         decimal128ClearSign to flip and clear the sign bit in decimal128.
19542         (decimal_real_maxval): Set decimal128SetSign to set the sign
19543         bit in decimal128.
19544
19545 2007-03-23  Ian Lance Taylor  <iant@google.com>
19546
19547         * fold-const.c (fold_binary): Correct warning for X - c >= X.
19548
19549 2007-03-23  Ian Lance Taylor  <iant@google.com>
19550
19551         * tree-dump.c (dump_files): Correct comment.
19552
19553 2007-03-23  Ian Lance Taylor  <iant@google.com>
19554
19555         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
19556
19557 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
19558
19559         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
19560         in cfglayout mode.  Don't go into and out of cfglayout mode.
19561         Link the blocks in the order of the constructed traces.
19562         (rest_of_handle_tracer): Adjust call to tracer.
19563         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
19564         Don't go into cfglayout mode.
19565         (rtl_loop_done): Don't go out of cfglayout mode.
19566         * cfglayout.c (relink_block_chain): New function, split out from...
19567         (fixup_reorder_chain): ...here.  Remove redundant checking.
19568         (cfg_layout_finalize): Don't clear the header, footer, and aux
19569         fields here, move the code to do so to relink_block_chain.  Likewise
19570         for free_original_copy_tables.
19571         * rtl.h (tracer): Update prototype.
19572         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
19573         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
19574         mode.  Use relink_block_chain to serialize the CFG according to the
19575         new basic block order.  Move targetm.cannot_modify_jumps_p check from
19576         here...
19577         (gate_handle_reorder_blocks): ...to here.
19578         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
19579         from here...
19580         (gate_duplicate_computed_gotos): ...to here.
19581         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
19582         something always changes when going into and out of cfglayout mode.
19583         Perform an expensive cfg cleanup while going into cfglayout mode.
19584         Always update liveness information on HAVE_conditional_execution
19585         targets.  Reserialize the basic blocks and go out of cfglayout mode.
19586         * reg-stack.c: Include cfglayout.h.
19587         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
19588         the call to reorder_basic_blocks.
19589         * basic-block.h (reorder_basic_blocks): Update prototype.
19590         (relink_block_chain): New prototype.
19591         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
19592
19593 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
19594
19595         * config/mips/mips.md (type, hazard, *movdi_32bit,
19596         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
19597         *movhi_internal, *movqi_internal, *movsf_hardfloat,
19598         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
19599         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
19600         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
19601         applicable.
19602         (movcc): Change first xfer to multi.
19603         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
19604         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
19605         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
19606         config/mips/generic.md: Change reservations using "xfer" to use
19607         "mfc,mtc".
19608         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
19609         using match_operand.
19610         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
19611         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
19612         examining mode.
19613         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
19614
19615 2007-03-22  Richard Henderson  <rth@redhat.com>
19616
19617         * config/i386/i386.c: Remove unnecessary function declarations.
19618         Move targetm definition, and all related macros, to the end of
19619         the file.  Resort some functions to put definitions before uses.
19620         (ix86_attribute_table): Make static.  Move to end of file.
19621         (ix86_gimplify_va_arg): Make static.
19622
19623 2007-03-22  Richard Henderson  <rth@redhat.com>
19624
19625         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
19626         don't increase local_regparm with force_align_arg_pointer check.
19627         (ix86_function_sseregparm): Assert 32-bit.
19628         (type_has_variadic_args_p): New.
19629         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
19630         type_has_variadic_args_p.
19631         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
19632         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
19633         use memset instead.  Do maybe_vaarg check first; skip attribute
19634         tests if true; skip attribute tests for 64-bit.
19635         (construct_container): Remove TARGET_DEBUG_ARG.
19636         (function_arg_advance_32, function_arg_advance_64): Split out ...
19637         (function_arg_advance): ... from here.
19638         (function_arg_32, function_arg_64): Split out ...
19639         (function_arg): ... from here.
19640         (ix86_pass_by_reference): Tidy.
19641         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
19642         (function_value_32): New, from parts of ix86_function_value
19643         and ix86_value_regno.
19644         (function_value_64): New, from parts of ix86_function_value
19645         and ix86_libcall_value.
19646         (ix86_function_value_1): New.
19647         (ix86_function_value, ix86_libcall_value): Use it.
19648         (return_in_memory_32, return_in_memory_64): Split out ...
19649         (ix86_return_in_memory): ... from here.
19650         (ix86_struct_value_rtx): Skip for 64-bit.
19651         (ix86_libcall_value, ix86_value_regno): Remove.
19652         (setup_incoming_varargs_64): Split out ...
19653         (ix86_setup_incoming_varargs): ... from here.
19654         (ix86_va_start): Remove TARGET_DEBUG_ARG.
19655         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
19656         * config/i386/i386-protos.h (ix86_function_value): Remove.
19657         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
19658
19659 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
19660
19661         PR other/23572
19662         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
19663         infinities not supported, otherwise emit warning if -Woverflow. On
19664         underflow, emit warning if -Woverflow.
19665         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
19666         and 0 otherwise.
19667         * real.h (real_from_string): Update declaration
19668
19669 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
19670             Richard Henderson  <rth@redhat.com>
19671
19672         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
19673         * calls.c (compute_argument_block_size, expand_call,
19674         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
19675         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
19676         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
19677         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
19678         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
19679         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
19680         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
19681         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
19682         Set to 1.
19683
19684 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
19685
19686         * c-incpath.c (add_sysroot_to_chain): New.
19687         (merge_include_chains): Add sysroot argument.  Call
19688         add_sysroot_to_chain if sysrooted.
19689         (register_include_chains): Update call to merge_include_chains.
19690         * doc/cppopts.texi: Document use of '=' in include directory
19691         arguments.
19692
19693 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
19694
19695         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
19696         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
19697         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
19698         insn pattern using X87MODEF12 mode macro.
19699
19700 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
19701
19702         * regmove.c (regmove_optimize): Use reg_mentioned_p
19703         instead of reg_overlap_mentioned_p for DST.
19704
19705 2007-03-21  Mike Stump  <mrs@apple.com>
19706
19707         * c.opt: Fixup for Objective-C/C++.
19708
19709 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
19710
19711         * explow.c (convert_memory_address): Fold memory reference when
19712         POINTERS_EXTEND_UNSIGNED < 0
19713
19714 2007-03-21  Richard Henderson  <rth@redhat.com>
19715
19716         PR target/31245
19717         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
19718         * config/i386/mmintrin.h (__m64): Likewise.
19719         * config/i386/xmmintrin.h (__m128): Likewise.
19720
19721 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
19722
19723         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
19724         (VXWORKS_OS_CPP_BUILTINS): Define.
19725         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
19726         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
19727
19728 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
19729
19730         * rtl.h (constant_pool_reference_p): Delete.
19731         (find_constant_src): Declare.
19732         * rtlanal.c (find_constant_src): New function.
19733         * simplify-rtx.c (constant_pool_reference_p): Delete.
19734         * config/i386/i386.md: Use find_constant_src instead of
19735         constant_pool_reference_p/avoid_constant_pool_reference pairs.
19736
19737 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
19738
19739         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
19740         * c-cppbuiltin.c (c_cpp_builtins): Define them.
19741
19742 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
19743
19744         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
19745         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
19746         (arm_elf_asm_constructor): Use it.
19747         (arm_elf_asm_destructor): New function.
19748
19749 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
19750
19751         * jump.c (mark_jump_label): Treat SEQUENCE specially.
19752
19753 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
19754
19755         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
19756
19757 2007-03-19  Andrew Haley  <aph@redhat.com>
19758
19759         PR tree-optimization/31264
19760         * tree-vrp.c (register_edge_assert_for_1): Don't look though
19761         VIEW_CONVERT_EXPRs.
19762
19763 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
19764
19765         PR rtl-optimization/30907
19766         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
19767         (fwprop_init): Always call loop_optimizer_initialize.
19768         (fwprop_done): Always call loop_optimizer_finalize.
19769         (fwprop): We always have loop info now.
19770         (gate_fwprop_addr): Remove.
19771         (pass_fwprop_addr): Use gate_fwprop as gate.
19772
19773         PR rtl-optimization/30841
19774         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
19775         df_chain_alloc): Call df_reorganize_refs unconditionally.
19776         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
19777         refs_organized to refs_organized_size.
19778         (df_ref_create_structure): Use refs_organized_size instead of
19779         bitmap_size if refs had been organized, and keep refs_organized_size
19780         up-to-date.
19781         * df.h (struct df_ref_info): Change refs_organized to
19782         refs_organized_size.
19783         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
19784         bitmap_size.
19785
19786 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
19787
19788         * except.c (output_function_exception_table): Do not reference the
19789         EH personality routine for functions that do not require an
19790         exception table.
19791
19792 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
19793
19794         PR c/30762
19795         * c-typeck.c (convert_for_assignment): Call comptypes for
19796         RECORD_TYPE or UNION_TYPE.
19797
19798         PR inline-asm/30505
19799         * reload1.c (reload): Do invalid ASM checking after
19800         cleanup_subreg_operands.
19801
19802 2007-03-19  Jeff Law  <law@redhat.com>
19803
19804         * tree-cfg.c (find_taken_edge): Tighten conditions for
19805         optimizing computed gotos.
19806
19807 2007-03-19  Michael Matz  <matz@suse.de>
19808
19809         * builtins.c (expand_builtin_sync_operation,
19810         expand_builtin_compare_and_swap,
19811         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
19812         correctly.
19813
19814         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
19815         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
19816         for operand 3.
19817
19818 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
19819
19820         * doc/tm.texi: Add brackets around the return type of
19821         TARGET_SECONDARY_RELOAD.
19822
19823 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
19824         Richard Guenther  <rguenther@suse.de>
19825
19826         PR tree-optimization/31254
19827         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
19828         Use handled_component_p () where appropriate.  Continue
19829         propagating into the rhs if we propagated into an INDIRECT_REF
19830         on the lhs.
19831
19832 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
19833
19834         * config/s390/s390.md (op_type attribute): RRR instruction type added.
19835         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
19836         (xde, xdee): Mode attributes adjusted to support DFP modes.
19837         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
19838         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
19839         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
19840         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
19841         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
19842         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
19843         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
19844         numbers.
19845         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
19846         "movsf"): Insn definitions removed.
19847         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
19848         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
19849         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
19850         definitions added.
19851         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
19852         "reload_in<mode>", "reload_out<mode>"): Expander added.
19853         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
19854         Expander removed.
19855
19856 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
19857
19858         * config/s390/s390.md: Only non-functional changes.  Renamed
19859         FPR mode macro to BFP all over the file.
19860
19861 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
19862
19863         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
19864         (op_type attribute): RRF instruction type added.
19865         (fT0): New mode attribute.
19866         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
19867         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
19868         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new
19869         instruction no secondary memory is needed when moving DFmode values
19870         between GPRs and FPRs.
19871
19872 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
19873
19874         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
19875         inverted and documentation adjusted.
19876         ("mhard-dfp", "msoft-dfp"): New options.
19877         * config/s390/s390.c (s390_handle_arch_option): New architecture
19878         switch: z9-ec.
19879         (override_options): Sanity checks for the new options added.
19880         * config.gcc: New architecture switch: z9-ec.
19881         * config/s390/s390.h (processor_flags): PF_DFP added.
19882         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
19883         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
19884         when the bit is NOT set so remove it from the defaults.
19885
19886 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
19887
19888         * genemit.c (main): Print include statement for dfp.h.
19889         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
19890         is not available.
19891
19892 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
19893
19894         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
19895
19896 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
19897
19898         PR target/31022
19899         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
19900         instead of PATTERN.
19901
19902 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
19903
19904         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
19905         attr_length_call, output_call, output_indirect_call): Cleanup
19906         formatting of targetm calls.
19907
19908 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
19909
19910         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
19911
19912 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
19913
19914         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
19915         reservation, bypass and anti-bypass descriptions for these
19916         instructions.  Update move patterns.
19917         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
19918         TYPE_FPSTORE.
19919
19920 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
19921
19922         * tree-vect-transform.c (get_initial_def_for_induction): Replace
19923         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
19924         (get_initial_def_for_reduction): Likewise.
19925
19926 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
19927
19928         Fix PR tree-optimization/29922
19929         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
19930         (get_representative): Removed.
19931         (value_dies_in_block_x): Update for rvuse removal.
19932         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
19933         (compute_antic_aux): Handle when PHI nodes appear in
19934         non-single-successors.
19935         (dump_bitmap_of_names): Removed.
19936         (compute_antic_safe): Renamed and removed rvuse calculation.
19937         Calculate only antic safe.
19938         (insert_into_preds_of_block): Remove assert.
19939         (execute_pre): Update for renamed functions.
19940         (defer_or_phi_translate_block): New function.
19941
19942 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
19943
19944         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
19945         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
19946         typos.
19947         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
19948         Follow spelling conventions.
19949
19950         * tree-data-ref.h: Remove the prototype for analyze_array.
19951
19952 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
19953
19954         PR tree-optimization/31041
19955         * tree-vect-transform.c (get_initial_def_for_induction): Call
19956         force_gimple_operand.
19957
19958 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
19959
19960         * ipa-type-escape.c (look_for_casts) : Revert code to use
19961         handled_component_p due to ada test a-numaux.adb.
19962
19963 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
19964
19965         * final.c (final_scan_insn): Alter the condition of a
19966         conditional trap if we have nonstandard CC.
19967
19968 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
19969
19970         * configure.ac: Remove excess quoting from asm line 0 test.
19971         * configure: Rebuilt.
19972
19973 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
19974
19975         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
19976         * c-common.c (convert_and_check): Move warning logic to...
19977         (warnings_for_convert_and_check): ...here. Define.
19978         * c-common.h (warnings_for_convert_and_check): Declare.
19979
19980 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
19981
19982         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
19983         (output_call): Likewise.
19984
19985 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
19986
19987         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
19988
19989 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
19990
19991         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
19992
19993 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
19994
19995         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
19996         opteron, athlon-64 and athlon-fx processor_alias_table entries.
19997
19998 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
19999
20000         PR tree-optimization/31183
20001         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
20002         Use double_int instead of unsigned int for representing access_strides.
20003         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
20004
20005 2007-03-16  Richard Guenther  <rguenther@suse.de>
20006
20007         PR tree-optimization/31146
20008         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
20009         to allow recursion of forward_propagate_addr_expr.
20010         (forward_propagate_addr_into_variable_array_index): Likewise.
20011         (forward_propagate_addr_expr): Likewise.
20012         (tree_ssa_forward_propagate_single_use_vars): Likewise.
20013         (forward_propagate_addr_expr_1): Recurse on simple copies
20014         instead of propagating into them.  Do so for useless conversions
20015         as well.
20016         (forward_propagate_addr_expr): Clean up unused statements after
20017         recursion.
20018
20019 2007-03-16  Richard Guenther  <rguenther@suse.de>
20020
20021         * builtins.c (expand_builtin_cexpi): Use the right argument
20022         for the expansion via cexp.
20023
20024 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
20025
20026         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
20027         * configure: Rebuilt.
20028
20029 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
20030
20031         PR debug/29906
20032         * dwarf2out.c (force_type_die): Adjust comment.
20033         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
20034
20035 2007-03-15  DJ Delorie  <dj@redhat.com>
20036
20037         * config/frv/predicates.md (minmax_operator): Don't check operands
20038         here.
20039
20040 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
20041
20042         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
20043         Update constant estimates of number of iterations.
20044         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
20045         argument renamed to "realistic".
20046         (compute_estimated_nb_iterations): Removed.
20047         (record_niter_bound): New function.
20048         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
20049         call record_nonwrapping_iv with upper = false.
20050         (infer_loop_bounds_from_signedness): Pass upper argument to
20051         record_nonwrapping_iv.
20052         (estimate_numbers_of_iterations_loop): Do not call
20053         compute_estimated_nb_iterations.  Record estimate based on profile
20054         information.  Initialize the constant estimates of number of
20055         iterations.
20056         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
20057         estimates.
20058         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
20059         number of iterations is too small.
20060         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
20061         (EST_NOT_AVAILABLE): Removed.
20062         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
20063         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
20064         fields.
20065
20066 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
20067
20068         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
20069         Handle NE_EXPR guards.
20070
20071 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
20072
20073         PR c++/24924
20074         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
20075         Set also -pedantic-errors by default for the  preprocessor unless
20076         -fpermissive is given.
20077
20078 2007-03-15  Richard Guenther  <rguenther@suse.de>
20079
20080         PR middle-end/29719
20081         PR middle-end/31161
20082         * builtins.c (expand_builtin_cexpi): As a fallback if we
20083         don't have builtins for sincos or cexp create a function
20084         declaration for cexp and expand to a call to that.
20085         (expand_builtin_int_roundingfn): Always fall
20086         back to floor/ceil and its variants even if they may be
20087         not available.
20088
20089 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
20090
20091         PR middle-end/31159
20092         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
20093         jump tables, move the call to delete_dead_jumptables from here...
20094         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
20095         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
20096         don't allow merging of blocks that try_redirect_by_replacing_jump
20097         also does not handle when not optimizing.
20098
20099 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
20100             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
20101
20102         * config/i386/i386.md (x86_sahf_1): Correctly handle
20103         HAVE_AS_IX86_SAHF.
20104
20105 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
20106
20107         PR target/31167
20108         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
20109         x86_64_general_operand as operand[2] predicate.  Remove "iF"
20110         from operand constraints and use "e" constraint instead.
20111         (*subti3_1, *subti3_1 splitter): Ditto.
20112         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
20113         operand[1] predicate.
20114
20115 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
20116
20117         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
20118         arrays, multiply the access strides by the size of the sub-array.
20119         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
20120
20121 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
20122
20123         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
20124         the configured assembler supports the sahf mnemonic.
20125         * configure: Regenerate.
20126         * config.in: Regenerate.
20127
20128         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
20129         emit "sahf" or ".byte\t0x9e" as asm template.
20130
20131 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
20132
20133         PR 31018
20134         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
20135         option to replace hard coded TARGET_xxx in md file.
20136         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
20137         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
20138         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
20139         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
20140         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
20141         (X86_TUNE_NOT_VECTORMODE): Ditto.
20142         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
20143         (TUNE_AVOID_VECTOR_DECODE): Ditto.
20144         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
20145         (TUNE_SLOW_IMUL_IMM8): Ditto.
20146         (TUNE_MOVE_M1_VIA_OR): Ditto.
20147         (TUNE_NOT_UNPAIRABLE): Ditto.
20148         (TUNE_NOT_VECTORMODE): Ditto.
20149
20150         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
20151         options.
20152
20153         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
20154         tuning options instead of hard coded TARGET_xxx.
20155         (fix ssemode peephole2's): Ditto.
20156         (imul peephole2's): Ditto.
20157         (movsi_or): Ditto.
20158         (movdi_or_rex64): Ditto.
20159         (move peephole2): Ditto.
20160         (not peephole2's): Ditto.
20161
20162 2007-03-14  Dirk Mueller  <dmueller@suse.de>
20163
20164         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
20165         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
20166         * c-parser.c (c_parser_if_body): Always add an empty statement in case
20167         of empty body.
20168         * c-parser.c (c_parser_do_statement): Warn about empty body in
20169         do/while statement.
20170         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
20171         * doc/invoke.texi (-Wempty-body): Update documentation.
20172
20173 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
20174
20175         PR c/21438
20176         * c-common.h (warn_for_div_by_zero): Declare.
20177         * c-common.c (warn_for_div_by_zero): Define.
20178         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
20179         warning.
20180
20181 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
20182
20183         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
20184         to PREFIX and STANDARD_PREFIX.
20185
20186 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
20187             Phil Edwards  <phil@codesourcery.com>
20188
20189         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
20190         (__gthread_once_t): Remove busy field for RTPs.
20191         (__GTHREAD_ONCE_INIT): Update accordingly.
20192
20193 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
20194
20195         * doc/invoke.texi: Document VxWorks options.
20196
20197 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
20198
20199         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
20200
20201 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
20202
20203         PR tree-optimization/30590
20204         * tree-nrv.c (tree_nrv): Check for the partial update of the
20205         return value.
20206
20207 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
20208
20209         * flags.h (flag_random_seed): Remove declaration, in favor of...
20210         * toplev.h (get_random_seed, set_random_seed): ... these.
20211         * tree.c (get_file_function_name): Use the former.
20212         * opts.c (common_handle_option): Use the latter.
20213         * toplev.c
20214
20215 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
20216
20217         PR middle-end/31127
20218         * cse.c (cse_find_path): Do not bail out if a basic block that
20219         we already visited now becomes part of a path that starts at a
20220         different basic block.  Just disallow this, to make sure we
20221         visit each basic block at most once.
20222
20223 2007-03-13  Jan Hubicka  <jh@suse.cz>
20224
20225         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold
20226         attributes, when profile esitmate is present, calls with very low
20227         frequency are cold.
20228
20229 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
20230
20231         PR tree-optimization/30730
20232         PR tree-optimization/26900
20233         * tree-ssa-loop-niter.c: Include gmp.h.
20234         (bounds): New type.
20235         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
20236         split_to_var_and_offset, determine_value_range,
20237         bound_difference_of_offsetted_base, refine_bounds_using_guard,
20238         bound_difference, bounds_add, bounds_negate,
20239         number_of_iterations_ne_max, dump_affine_iv): New functions.
20240         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
20241         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
20242         difference of initial and final value of control iv to validate
20243         results.
20244         (number_of_iterations_cond): Add loop parameter.  Determine bounds
20245         on the difference of the extremes of the control iv.  Add dumps.
20246         (expand_simple_operations): Handle phi nodes.
20247         (simplify_using_initial_conditions): Do not record used conditions.
20248         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
20249         Do not set additional_info.
20250         (implies_nonnegative_p, implies_ge_p): Removed.
20251         (derive_constant_upper_bound): Do not use parameter `additional'.
20252         (record_estimate): Parameter `additional' removed.  Parameter
20253         `i_bound' added.  Do not call derive_constant_upper_bound.
20254         (record_nonwrapping_iv): Use derive_constant_upper_bound to
20255         bound the number of iterations estimate.
20256         (estimate_numbers_of_iterations_loop): Pass the estimate from
20257         the number of iterations analysis to record_estimate.
20258         * tree.h (multiple_of_p): Declare.
20259         * tree-scalar-evolution.c (expression_expensive_p): Removed.
20260         (scev_const_prop): Do not check expression_expensive_p.
20261         * fold-const.c (multiple_of_p): Exported.
20262         * double-int.c (double_int_mask): Exported.
20263         * double-int.h (double_int_mask): Declare.
20264         * tree-flow.h (struct tree_niter_desc): Removed additional_info
20265         field.  Added max field.
20266
20267 2007-03-13  David Taylor  <taylor@candd.org>
20268
20269         PR driver/12448:
20270         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
20271         default -MQ.
20272
20273 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
20274
20275         PR target/31123
20276         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
20277         two unamed patterns.
20278
20279 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
20280
20281         * config/i386/i386.opt (mcx16, msahf): New options.
20282         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
20283         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
20284
20285         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
20286         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
20287         Output -mcx16 and -msahf options when corresponding bit is set.
20288
20289         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
20290         and -msahf options.
20291
20292 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
20293
20294         * configure.ac: Test for assembler tolerance to # 0 "".
20295         * configure, config.in: Rebuilt.
20296         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
20297
20298 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
20299
20300         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
20301
20302         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
20303         (handle_syscall): Handle direct system calls.
20304         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
20305
20306 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
20307
20308         * doc/invoke.texi: Fix cpp.info cross-reference.
20309         * doc/passes.texi: Fix gcc.info cross-reference.
20310
20311 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
20312
20313         PR tree-optimization/30835
20314         * lambda-code.c (can_convert_to_perfect_nest): Check whether
20315         bb_for_stmt is not NULL before accessing it.
20316
20317 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
20318
20319         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
20320         some multilibs.
20321
20322 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
20323
20324         PR 30635
20325         * doc/install.texi: Document --enable-stage1-languages
20326
20327 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
20328
20329         * tree-pass.h (pass_into_cfg_layout_mode,
20330         pass_outof_cfg_layout_mode): Declare.
20331         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
20332         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
20333         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
20334         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
20335
20336 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
20337
20338         * c-decl.c (warn_variable_length_array): New function.
20339         Refactored from grokdeclarator to handle warn_vla
20340         and handle unnamed array case.
20341         (grokdeclarator): Refactored VLA warning case.
20342         * c.opt (Wvla): New flag.
20343         * doc/invoke.texi (Wvla): New warning.
20344
20345 2007-03-12  Richard Henderson  <rth@redhat.com>
20346
20347         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
20348         (TARGET_SECTION_TYPE_FLAGS): New.
20349
20350 2007-03-12  Richard Henderson  <rth@redhat.com>
20351
20352         * config/darwin.c (machopic_reloc_rw_mask): New.
20353         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
20354         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
20355
20356 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
20357
20358         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
20359         * cppdefault.h (cpp_PREFIX): Document.
20360         (cpp_PREFIX_len): Likewise.
20361         (cpp_EXEC_PREFIX): New variable.
20362         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
20363         * c-incpath.c (add_standard_paths): Correct logic for relocating
20364         paths within prefix.
20365
20366 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
20367
20368         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
20369         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
20370         mode macro.
20371         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
20372         fix_truncdfdi_sse using SSEMODEF mode macro.
20373         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
20374         fix_truncdfsi_sse using SSEMODEF mode macro.
20375         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
20376         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
20377
20378 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
20379
20380         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
20381         elfos.h to tm_file.
20382
20383 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
20384
20385         * tree.h : Add multiple_of_p declaration.
20386         * fold-const.c (multiple_of_p): Make multiple_of_p public.
20387         * ipa-type-escape.c (results_of_malloc): Redundant.
20388         (visited_stmts): New. Visited stmt for walk_use_def_chains.
20389         (cast_type): Extended with new members.
20390         (check_cast): Returns cast_type.
20391         (cast): New structure for data of walk_use_def_chains.
20392         (is_malloc_result, is_cast_from_non_pointer_1,
20393         is_cast_from_non_pointer,
20394         is_array_access_through_pointer_and_index): New functions.
20395         (look_for_casts): Returns cast types.
20396         (check_call): Returns void.
20397         (okay_pointer_operation): Use support of pointer plus index,
20398         pointer plus constant and allow all multiplications.
20399
20400 2007-03-11  Richard Guenther  <rguenther@suse.de>
20401
20402         PR tree-optimization/31115
20403         * tree-vrp.c (extract_range_from_binary_expr): Make sure
20404         the shift count is positive and non-anti-range for RSHIFT_EXPR.
20405         A shift count of zero is not special as with *_DIV_EXPR.
20406         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
20407         direction.
20408
20409 2007-03-11  Ian Lance Taylor  <iant@google.com>
20410
20411         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
20412         the *_DIV_EXPR codes correctly with overflow infinities.
20413
20414 2007-03-11  Ira Rosen  <irar@il.ibm.com>
20415
20416         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
20417         indicate success/failure of the analysis. Add negation to subtrahend
20418         in case of subtraction. Fail if both operands contain constants.
20419         (create_data_ref): Fail if analyze_offset fails.
20420
20421 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
20422
20423         * config/i386/i386.md (frndintxf2): Rename to ...
20424         (rintxf2): ... this. Remove expander having same name.
20425         (rintsf2, rintdf2): Implement using SSEMODEF macro.
20426         (roundsf2, rounddf2): Ditto.
20427         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
20428         (lround<mode>di2, lround<mode>si2): Ditto.
20429
20430 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
20431
20432         * lower-subreg.c: Include except.h.
20433         (decompose_multiword_subregs): Verify that the only control flow
20434         insns we can split are loads to multi-words pseudos.
20435         Handle breaking such blocks after splitting, instead of calling
20436         find_many_sub_basic_blocks.
20437
20438         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
20439         on the new basic block.  Add a lengthy comment explaining why we
20440         thought this was necessary.
20441         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
20442
20443 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
20444
20445         PR c++/30924
20446         * tree.c (walk_type_fields): Recurse into the element type of
20447         ARRAY_TYPEs if there is a pointer set.
20448
20449 2007-03-10  Dirk Mueller  <dmueller@suse.de>
20450
20451         * c-common.c (warn_logical_operator): Fix condition.
20452
20453 2007-03-10  Tobias Schl�ter  <tobi@gcc.gnu.org>
20454
20455         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
20456         quotation mark.
20457         * config/darwin.c (machopic_select_section): Remove superfluous
20458         argument in call to categorize_decl_for_section.  Remove unused
20459         variable shlib.
20460
20461 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
20462
20463         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
20464         defined.
20465         * configure: Regenerate.
20466
20467 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
20468
20469         PR target/31101
20470         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
20471         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
20472         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
20473         Add LABEL_NUSES to emitted label.
20474         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
20475         branch probability value to emitted jump insn.
20476         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
20477         Do not check life information and do not re-arrange input operands
20478         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
20479
20480 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
20481
20482         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
20483         the change of decode_asm_operands.
20484
20485 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
20486
20487         * mode-switching.c (create_pre_exit): Skip blockage insn.
20488
20489 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
20490
20491         * tree-pass.h (TODO_update_smt_usage): Remove.
20492         Update all users.
20493         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
20494         argument SOME.
20495         Update all users.
20496
20497 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
20498
20499         * pa.c (attr_length_call): Revise condition for long
20500         pc-relative branch.
20501         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long
20502         local calls on the SOM target.  Don't use "LONG_PIC_PCREL" call
20503         sequence on SOM target.
20504
20505 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
20506
20507         * gcc.c: Document %{, in big comment at top.
20508         (input_suffix_matches): Remove special handling for .s and
20509         .S.
20510         (input_spec_matches): New.
20511         (handle_braces): Handle %{,.
20512         (validate_switches): ',' indicates a value which is not a switch.
20513         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
20514         to detect assembler input.
20515         * config/i386/sol2.h (CPP_SPEC): Likewise.
20516         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
20517         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
20518         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
20519         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
20520         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
20521         -m64 causes deployment target to default to 10.5.
20522         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
20523
20524 2007-03-09  Richard Henderson  <rth@redhat.com>
20525
20526         PR target/26090
20527         * target.h (targetm.asm.out.reloc_rw_mask): New.
20528         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
20529         (TARGET_ASM_OUT): Use it.
20530         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
20531         * varasm.c (categorize_decl_for_section): Remove shlib argument;
20532         use the new reloc_rw_mask target hook instead.
20533         (default_section_type_flags_1): Merge into...
20534         (default_section_type_flags): ... here.
20535         (decl_readonly_section_1): Merge into...
20536         (decl_readonly_section): ... here.
20537         (default_elf_select_section_1): Merge into...
20538         (default_elf_select_section): ... here.
20539         (default_unique_section_1): Merge into...
20540         (default_unique_section): ... here.
20541         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
20542         (default_select_rtx_section): Use it.
20543         (default_elf_select_rtx_section): Likewise.
20544         * output.h: Update to match.
20545         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
20546         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
20547         (TARGET_ASM_RELOC_RW_MASK): New.
20548         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
20549         to categorize_decl_for_section.
20550         (x86_64_elf_unique_section): Likewise.
20551         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
20552         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
20553         (TARGET_ASM_RELOC_RW_MASK): New.
20554         * config/ia64/ia64.c (ia64_rwreloc_select_section,
20555         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
20556         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
20557         (TARGET_RWRELOC): Remove.
20558         (ia64_section_type_flags): Adjust call to default_section_type_flags.
20559         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
20560         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
20561         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
20562         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
20563         (rs6000_xcoff_select_section): Use decl_readonly_section.
20564         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
20565         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
20566         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
20567         (TARGET_SECTION_TYPE_FLAGS): Remove.
20568         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
20569
20570 2007-03-09  Roger Sayle  <roger@eyesopen.com>
20571
20572         * fold-const.c (fold_comparison): Remove compile-time evaluation of
20573         complex constant equality/inequality comparisons for here.
20574         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
20575         known at compile-time or can be simplified to a scalar comparison.
20576         (fold_relational_const): Move compile-time evaluation of complex
20577         constant equality/inequality comparisons to here.
20578
20579 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
20580
20581         PR rtl-optimization/30643
20582         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
20583         dest_addr_elt.
20584         (fold_rtx): Recurse, like before 2006-11-03.
20585
20586 2007-03-09  DJ Delorie  <dj@redhat.com>
20587
20588         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
20589         m32c-pragma.o.
20590
20591 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
20592
20593         PR tree-optimization/30375
20594         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
20595         LHS of statements is not the same.
20596         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
20597
20598 2007-03-09  Chao-ying Fu  <fu@mips.com>
20599
20600         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
20601         REV 2.
20602         * doc/invoke.texi (-mdspr2): Document new option.
20603         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
20604         New unspec for DSP REV 2.
20605         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
20606         these instructions are extended in DSP REV 2.
20607         (mips-dspr2.md): Include.
20608         * config/mips/mips.opt (mdspr2): New option.
20609         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
20610         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
20611         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
20612         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
20613         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
20614         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
20615         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
20616         and 2 builtins.
20617         (bdesc_map): Add one field of unsupported_target_flags.
20618         (bdesc_arrays): Update entries to have extra fields.  Add
20619         dsp_32only_bdesc.
20620         (mips_init_builtins): Initialize new function types.
20621         Check unsupported_target_fileds to filter out builtins.
20622         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
20623         TARGET_DSPR2.
20624         (ASM_SPEC): Pass mdspr2 to the assembler.
20625         * config/mips/mips-dspr2.md: New file.
20626
20627 2007-03-09  Sa Liu  <saliu@de.ibm.com>
20628
20629         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
20630
20631 2007-03-09  Ian Lance Taylor  <iant@google.com>
20632
20633         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
20634         argument) like -Wstrict-overflow=2.
20635         * doc/invoke.texi (Warning Options): Update documentation.
20636
20637 2007-03-09  Dirk Mueller  <dmueller@suse.de>
20638
20639         PR c++/17946
20640         * doc/invoke.texi (-Wlogical-op): Document.
20641         * common.opt (-Wlogical-op): New.
20642         * c-common.h (warn_logical_operator): Declare.
20643         * c-common.c (warn_logical_operator): Define.
20644         * c-typeck.c (parser_build_binary_op): Call
20645         warn_logical_operator.
20646
20647 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
20648
20649         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
20650         * final.c (final_scan_insn): Test for non-"" file name.
20651
20652 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
20653
20654         * doc/loop.texi: Document the Omega linear constraints solver.
20655         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
20656         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
20657         omega-hash-table-size, omega-max-keys, and
20658         omega-eliminate-redundant-constraints.
20659         * tree-pass.h (pass_check_data_deps): Declared.
20660         * omega.c: New.
20661         * omega.h: New.
20662         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
20663         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
20664         pass_check_data_deps): New.
20665         * tree-data-ref.c (init_data_ref): Remove declaration.
20666         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
20667         (analyze_array): Renamed init_array_ref, move up initializations.
20668         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
20669         Removed arguments that are set to NULL.
20670         (analyze_indirect_ref): Correct indentation, correct call to
20671         init_pointer_ref.
20672         (object_analysis): Call init_array_ref instead of analyze_array.
20673         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
20674         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
20675         of DR_ACCESS_FNS_ADDR.
20676         (init_omega_eq_with_af, omega_extract_distance_vectors,
20677         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
20678         ddr_consistent_p): New.
20679         (compute_affine_dependence): Check consistency of ddrs when
20680         flag_check_data_deps is passed.
20681         (analyze_all_data_dependences): Uncomment.
20682         (tree_check_data_deps): New.
20683         * tree-data-ref.h: Include omega.h.
20684         (DR_ACCESS_FNS_ADDR): Removed.
20685         (data_dependence_relation): Add inner_loop.
20686         (DDR_INNER_LOOP): New.
20687         * common.opt (fcheck-data-deps): New.
20688         * tree-flow.h (tree_check_data_deps): Declare.
20689         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
20690         (OBJS-common): Depend on omega.o.
20691         (omega.o): Define.
20692         * passes.c (pass_check_data_deps): Scheduled.
20693         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
20694         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
20695         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
20696         PARAM_VECT_MAX_VERSION_CHECKS,
20697         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
20698
20699 2007-03-09  Richard Guenther  <rguenther@suse.de>
20700
20701         PR tree-optimization/30904
20702         PR middle-end/31058
20703         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
20704         the same way as *_DIV_EXPR.
20705
20706 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
20707
20708         * recog.c (decode_asm_operands): No mixed declarations and code.
20709
20710 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
20711
20712         * rtl.def (ASM_INPUT): Add location.
20713         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
20714         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
20715         (decode_asm_operands): Add loc operand.
20716         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
20717         * stmt.c (expand_asm): Rename to...
20718         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
20719         gen_rtx_ASM_INPUT_loc.
20720         (expand_asm_expr): Adjust.
20721         * recog.c (decode_asm_operands): Add loc operand.
20722         (check_asm_operands, extract_insn): Adjust.
20723         * reload1.c (maybe_fix_stack_asms): Likewise.
20724         * final.c (asm_insn_count): Likewise.
20725         (final_scan_insn): Output # line before and after asm.
20726
20727 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
20728
20729         * tree-ssa-structalias.c (variable_info): Remove
20730         finished_solution.
20731         (new_var_info): Ditto.
20732         (shared_bitmap_info_t): New structure.
20733         (shared_bitmap_table): New variable.
20734         (shared_bitmap_hash): New function.
20735         (shared_bitmap_eq): Ditto
20736         (shared_bitmap_lookup): Ditto.
20737         (shared_bitmap_add): Ditto.
20738         (merge_smts_into): Change to take bitmap directly.
20739         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
20740         (init_alias_vars): Init shared bitmap hashtable.
20741         (delete_points_to_sets): Delete shared bitmap hashtable.
20742         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
20743         is_aliased removal as a change that was still necessary was
20744         deleted.
20745
20746 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
20747
20748         * config/i386/i386.h (override_options): Conditionally disable
20749         x86_sahf for 64bit targets only.
20750
20751 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
20752
20753         PR C/31072
20754         * c-decl.c (merge_decls): Don't call make_var_volatile.
20755         * varasm.c (make_var_volatile): Remove.
20756         * output.h (make_var_volatile): Remove.
20757
20758 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
20759
20760         PR tree-optimization/31085
20761         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
20762
20763 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
20764
20765         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
20766         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
20767         ATTR_CONST_NOTHROW_LIST.
20768
20769         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
20770         FIX_TRUNC_EXPR.
20771
20772 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
20773
20774         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
20775
20776 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
20777
20778         PR 31013
20779         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
20780         is declared.
20781         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
20782         passed, use shared libgcc.
20783
20784 2007-03-08  Roger Sayle  <roger@eyesopen.com>
20785
20786         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
20787         instead of calling build2 with a GIMPLE_MODIFY_STMT.
20788         (honor_protect_cleanup_actions, lower_try_finally_switch):
20789         Likewise.
20790         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
20791         ifc_temp_var): Likewise.
20792         * tree-inline.c (setup_one_parameter): Likewise.
20793         * tree-mudflap.c (mf_decl_cache_locals,
20794         mf_build_check_statement_for): Likewise.
20795         * tree-nested.c (init_tmp_var, save_tmp_var,
20796         finalize_nesting_tree_1): Likewise.
20797         * tree-outof-ssa.c (insert_copy_on_edge,
20798         insert_backedge_copies): Likewise.
20799         * tree-profile.c (tree_gen_edge_profiler,
20800         tree_gen_ic_profiler): Likewise.
20801         * tree-scalar-evolution.c (scev_const_prop): Likewise.
20802         * tree-sra.c (sra_build_assignment): Likewise.
20803         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
20804         * tree-ssa-math-opts.c (insert_reciprocals,
20805         execute_cse_sincos_1): Likewise.
20806         * tree-tailcall.c (adjust_accumulator_values,
20807         adjust_return_value): Likewise.
20808         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
20809         * tree-vect-transform.c (vect_create_data_ref_ptr,
20810         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
20811         vect_create_epilog_for_reduction, vectorizable_reduction,
20812         vectorizable_call, vectorizable_conversion,
20813         vectorizable_assignment, vectorizable_operation,
20814         vectorizable_type_demotion, vect_gen_widened_results_half,
20815         vect_permute_store_chain, vectorizable_store,
20816         vect_setup_realignment, vect_permute_load_chain,
20817         vectorizable_load, vectorizable_condition,
20818         vect_create_cond_for_align_checks): Likewise.
20819         * tree-vrp.c (build_assert_expr_for): Likewise.
20820
20821 2007-03-08  Ian Lance Taylor  <iant@google.com>
20822
20823         * tree-vrp.c: Include "intl.h".
20824         (usable_range_p): New static function.
20825         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
20826         overflowed values, juts set *strict_overflow_p.
20827         (compare_values): Only return -2 if one of the operands is not a
20828         constant.
20829         (compare_ranges): Call usable_range_p.
20830         (compare_range_with_value): Likewise.
20831         (vrp_evaluate_conditional_warnv): Rename from
20832         vrp_evaluate_conditional.  Make static.  Change all callers.
20833         (vrp_evaluate_conditional): New function.
20834         (simplify_div_or_mod_using_ranges): Issue warning about reliance
20835         on signed overflow.
20836         (simplify_abs_using_ranges): Likewise.
20837         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
20838         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
20839         within_stmt parameter.
20840         * tree-ssa-propagate.c (fold_predicate_in): Update call to
20841         vrp_evaluate_conditional.
20842         * tree-ssa-threadedge.c
20843         (record_temporary_equivalences_from_stmts_at_dest): Change
20844         simplify parameter to take a second tree parameter.
20845         (simplify_control_stmt_condition): Likewise.
20846         (thread_across_edge): Likewise.
20847         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
20848         (thread_across_edge): Likewise.
20849         * Makefile.in (tree-vrp.o): Depend upon intl.h.
20850
20851 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
20852
20853         * config/i386/i386.h (TARGET_SAHF): New define.
20854         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
20855         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
20856         (x86_sahf): New global variable.
20857         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
20858         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
20859         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
20860         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
20861         for 64-bit.
20862         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
20863         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
20864         when expanding fcomi/sahf based tests.
20865         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
20866         expanding sahf based alternative. Emit sahf based sequence when
20867         optimizing for code size.
20868         * config/i386/i386.md (x86_sahf_1): Do not disable for
20869         TARGET_64BIT, enable for TARGET_SAHF.
20870
20871 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
20872
20873         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
20874         spurious whitespace from error message.
20875
20876 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
20877
20878         PR c++/30852
20879         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
20880
20881 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
20882
20883         * c-decl.c (grokdeclarator): Disable warnings for anonymous
20884         bitfields.
20885         * tree-sra.c (instantiate_element): Propagate disabled warnings
20886         from the element itself to the created variable.
20887
20888 2007-03-07  Richard Henderson  <rth@redhat.com>
20889
20890         PR target/30848
20891         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
20892         silently fix up the stack in the case of a missing register.
20893
20894 2007-03-07  Paul Brook  <paul@codesourcery.com>
20895
20896         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
20897
20898 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
20899
20900         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
20901         New.
20902         (phase1_vrs): Use them.
20903         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
20904         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
20905         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
20906         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
20907         __gnu_Unwind_Restore_WMMXC if required.
20908         (_Unwind_VRS_Pop): Implement iWMMXt support.
20909         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
20910         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
20911         gnu_Unwind_Save_WMMXC): Define.
20912
20913 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
20914
20915         * config/vxworks.h (vxworks_override_options): Declare.
20916         (VXWORKS_OVERRIDE_OPTIONS): Use it.
20917         * config/vxworks.c: Include target.h and toplev.h.
20918         (vxworks_override_options): New function.
20919         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
20920
20921 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
20922
20923         * config/s390/s390.c (override_options): Don't emit an error when
20924         -mstack-size is used without providing -mstack-guard.
20925         (s390_emit_prologue): Choose stack_guard value automatically if not
20926         provided via command line.
20927         * doc/invoke.texi: Adjust description of -mstack-guard and
20928         -mstack-size.
20929
20930 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
20931
20932         * config/i386/i386.c (output_set_got): Add a GOT initialization
20933         sequence for VxWorks PIC.
20934         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
20935         around labels as well as symbols.  Use gotoff_operand instead
20936         of local_symbolic_operand.
20937         (legitimize_pic_address): Use gotoff_operand instead of
20938         local_symbolic_operand.  Use @GOT accesses for labels as
20939         well as symbols.
20940         (ix86_output_addr_diff_elt): Use PC-relative rather than
20941         GP-relative offsets for VxWorks PIC.
20942         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
20943         no_new_pseudos.  Check whether the returned register is op0.
20944         * config/i386/i386.md (tablejump): Use PC-relative rather than
20945         GP-relative offsets for VxWorks PIC.
20946         * config/i386/predicates.md (gotoff_operand): New predicate.
20947
20948 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
20949
20950         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
20951         before defining.
20952         * config/vxworks-dummy.h: New file.
20953         * config/i386/i386.h: Include it.
20954
20955 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
20956
20957         * dwarf2out.c (is_inlined_entry_point): New
20958         (add_high_low_attributes): Emit DW_AT_entry_pc along with
20959         DW_AT_ranges if the first subblock is the entry point.
20960
20961 2007-03-06  David Daney  <ddaney@avtrex.com>
20962
20963         * doc/install.texi (mips-*-*): Change recommended binutils
20964         version.
20965
20966 2007-03-06  Anatoly Sokolov <aesok@post.ru>
20967
20968         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
20969         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
20970         devices.
20971         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
20972         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
20973
20974 2007-03-06  Jan Hubicka  <jh@suse.cz>
20975
20976         * errors.h (warning, error, fatal, internal_error): Mark as cold.
20977         * predict.c (maybe_hot_bb): Cold functions are never hot; hot
20978         functions are hot.
20979         (probably_cold_bb_p): Cold functions are cold.
20980         (probably_never_executed_bb_p): Cold functions are cold.
20981         (tree_bb_level_predictions): Predict calls to cold functions as not
20982         taken.
20983         (compute_function_frequency): Check hot/cold attributes.
20984         * function.h (function_frequency): Update comments.
20985         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
20986         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
20987         (c_common_att): Add cold and hot.
20988
20989         * doc/extend.texi (hot,cold attributes): Document.
20990
20991 2007-03-06  Andrew Haley  <aph@redhat.com>
20992
20993         * function.c (expand_function_end): Move blockage to just after we
20994         emit the label for the naked return from the function.
20995
20996 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
20997
20998         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
20999         before redefining.
21000
21001 2007-03-06  Jan Hubicka  <jh@suse.cz>
21002
21003         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
21004         loaded for constant large models.  Non-large 64bit PIC can do.
21005         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
21006         * cmodel.h: Add LARGE PIC.
21007         * i386.md (UNSPEC_PLTOFF): New.
21008         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other
21009         unspecs as needed.
21010         (*call_1_rex64): Disable for large models.
21011         (*call_1_rex64_large): New.
21012         (*call_value_1_rex64): Disable for large models.
21013         (*call_value_1_rex64_large): New.
21014         (set_rip_rex4): New.
21015         (set_got_offset_rex64): New.
21016         * predicates.md (constant_call_address_operand): For large model
21017         constant calls are not possible.
21018         * i386-protos.h (construct_plt_address): Declare.
21019         * i386.c (override_options): Accept large models.
21020         (ix86_expand_prologue): Expand large PIC GOT pointer load.
21021         (legitimate_constant_p): Add new UNSPECs.
21022         (legitimate_pic_operand_p): Likewise.
21023         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
21024         (legitimize_pic_address): Do easy RIP relative way for TLS only for
21025         non-large model.
21026         (output_pic_addr_const): Add PLTOFF.
21027         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
21028         (ix86_expand_move): Legitimize pic address when in PIC mode.
21029         (construct_plt_address): New function.
21030         (ix86_expand_call): Offload the address to register and use GOT
21031         pointer for large model.
21032         * invoke.texi (mcmodel=large): Update documentation.
21033
21034 2007-03-06  Richard Henderson  <rth@redhat.com>
21035
21036         * config/i386/i386.c (x86_use_leave, x86_push_memory,
21037         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
21038         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
21039         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
21040         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
21041         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
21042         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
21043         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
21044         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
21045         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
21046         x86_partial_reg_dependency, x86_memory_mismatch_stall,
21047         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
21048         x86_sse_partial_reg_dependency, x86_sse_split_regs,
21049         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
21050         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
21051         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
21052         x86_schedule, x86_use_bt, x86_pad_returns,
21053         x86_use_xchgb): Merge into ...
21054         (ix86_tune_features): ... here.  New array.
21055         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
21056         x86_bswap): Merge into ...
21057         (ix86_arch_features): ... here.  New array.
21058         (x86_3dnow_a): Remove.
21059         (x86_accumulate_outgoing_args): Make static.
21060         (x86_arch_always_fancy_math_387): Make static.
21061         (ix86_tune_mask, ix86_arch_mask): Move ...
21062         (override_options): ... to local variables here.  Apply the
21063         appropriate mask to each element of ix86_arch_features and
21064         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
21065         as were done in the old macros.
21066         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
21067         * config/i386/i386.h (x86_use_leave, x86_push_memory,
21068         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
21069         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
21070         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
21071         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
21072         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
21073         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
21074         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
21075         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
21076         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
21077         x86_partial_reg_dependency, x86_memory_mismatch_stall,
21078         x86_accumulate_outgoing_args, x86_prologue_using_move,
21079         x86_epilogue_using_move, x86_decompose_lea,
21080         x86_arch_always_fancy_math_387, x86_shift1,
21081         x86_sse_partial_reg_dependency, x86_sse_split_regs,
21082         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
21083         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
21084         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
21085         x86_use_incdec, x86_pad_returns, x86_bswap,
21086         x86_partial_flag_reg_stall): Remove.
21087         (enum ix86_tune_indices): New.
21088         (ix86_tune_features): New.
21089         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
21090         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
21091         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
21092         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
21093         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
21094         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
21095         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
21096         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
21097         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
21098         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
21099         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
21100         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
21101         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
21102         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
21103         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
21104         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
21105         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
21106         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
21107         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
21108         TARGET_EXT_80387_CONSTANTS): Use it.
21109         (enum ix86_arch_indices): New.
21110         (ix86_arch_features): New.
21111         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
21112         TARGET_BSWAP): Use it.
21113         (ix86_tune_mask, ix86_arch_mask): Remove.
21114
21115 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
21116
21117         PR bootstrap/31020
21118         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
21119         Define using $${sysroot_headers_suffix}.
21120         * configure: Regenerate.
21121         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
21122         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
21123         defined.
21124         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
21125         * gcc.c (print_sysroot_headers_suffix): New.
21126         (option_map): Include --print-sysroot-headers-suffix.
21127         (display_help): Mention -print-sysroot-headers-suffix.
21128         (process_command): Handle -print-sysroot-headers-suffix.
21129         (do_spec_1): Append multilib directory to include-fixed path if
21130         sysroot suffixes in use.
21131         (main): Handle -print-sysroot-headers-suffix.
21132         * Makefile.in (start.encap): Don't depend on xlimits.h
21133         (xlimits.h): Remove.
21134         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
21135         limits.h for each multilib in fixinc_list.
21136         (fixinc_list, s-fixinc_list): New.
21137         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
21138         generate them for each multilib in fixinc_list.
21139         (stmp-fixproto): Use include-fixed.  Run fixproto for each
21140         multilib in fixinc_list.
21141         (mostlyclean): Don't remove xlimits.h.
21142         (clean): Remove include-fixed.
21143         (real-install-headers-tar, real-install-headers-cpio,
21144         real-install-headers-cp): Don't copy include, only include-fixed.
21145         (install-mkheaders): Depend on fixinc_list.  Don't depend on
21146         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
21147         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
21148         SYSTEM_HEADER_DIR setting in mkheaders.conf.
21149
21150 2007-03-06  Jan Hubicka  <jh@suse.cz>
21151
21152         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
21153         NANs easilly.
21154
21155 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21156
21157         * configure.ac: Allow tm_file to contain build-directory files.
21158         * configure: Regenerate.
21159         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
21160         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
21161         * config/m68k/print-sysroot-suffix.sh: New file.
21162
21163 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21164
21165         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
21166         of pic_offset_table_rtx if reload_completed.
21167         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
21168         PIC_OFFSET_TABLE_REGNUM.
21169         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
21170         return true.
21171         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
21172         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
21173
21174 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21175
21176         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
21177         functions that call eh_return.
21178
21179 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21180
21181         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
21182         functions that need a constant pool.
21183
21184 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21185
21186         PR target/28181
21187         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
21188         (m68k_preferred_reload_class): Likewise.
21189         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
21190         (SECONDARY_RELOAD_CLASS): Define.
21191         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
21192         (LIMIT_RELOAD_CLASS): Delete.
21193         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
21194         registers from storing bytes.
21195         (m68k_secondary_reload_class): New function.
21196         (m68k_preferred_reload_class): Likewise.
21197
21198 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21199
21200         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
21201         leaf functions.
21202         (m68k_expand_prologue): Likewise.
21203
21204 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21205
21206         * config/m68k/m68k-protos.h (output_sibcall): Declare.
21207         (mips_expand_epilogue): Add a bool parameter.
21208         (m68k_legitimize_sibcall_address): Declare.
21209         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
21210         (m68k_expand_epilogue): Add a parameter to select between sibling
21211         and normal epilogues.  Only generate a return for the latter.
21212         (m68k_ok_for_sibcall_p): New function.
21213         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
21214         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
21215         (sibcall_value, *sibcall_value): Likewise.
21216         (*call, *call_value): Require !SIBLING_CALL_P.
21217         (epilogue): Update call to m68k_expand_epilogue.
21218         (sibcall_epilogue): New pattern.
21219         * config/m68k/predicates.md (const_call_operand): Say that this
21220         predicate applies to sibling calls too.
21221         (sibcall_operand): New predicate.
21222
21223 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21224
21225         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
21226         alternatives as movsi_cf.
21227         (movsf_cf_hard): Add commentary.
21228
21229 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
21230             Richard Sandiford  <richard@codesourcery.com>
21231
21232         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
21233         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
21234         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
21235         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
21236         as being live on exit from an interrupt function.
21237         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
21238         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
21239         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
21240         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
21241         (m68k_interrupt_function_p): Globalize.
21242         (m68k_compute_frame_layout): Remove reverse mask code.
21243         (m68k_emit_movem, m68k_set_frame_related): New functions.
21244         (m68k_output_function_prologue): Delete in favor of...
21245         (m68k_expand_prologue): ...this new function.
21246         (m68k_output_function_epilogue): Delete in favor of...
21247         (m68k_expand_epilogue): ...this new function.
21248         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
21249         functions.
21250         (print_operand): Handle %?.
21251         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
21252         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
21253         (prologue, epilogue): New patterns.
21254         (return): Turn into a define_expand.
21255         (*return): New pattern, derived from old "return" pattern.  Use rte
21256         rather than rts for interrupt functions.  Only use rtd if the pop
21257         count is nonzero.
21258         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
21259         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
21260         (link, *link, unlink, *unlink, load_got): Likewise.
21261
21262 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21263
21264         PR target/23482
21265         PR target/17114
21266         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
21267         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
21268         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
21269         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
21270         and m68k_matches_u_p.
21271         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
21272         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
21273         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
21274         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
21275         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
21276         (REG_STRICT_P): New macro.
21277         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
21278         PCREL_GENERAL_OPERAND_OK.
21279         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
21280         m68k_legitimate_base_reg_p.
21281         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
21282         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
21283         (PIC_CASE_VECTOR_ADDRESS): Update comment.
21284         * config/m68k/m68k.c (m68k_address): New structure.
21285         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
21286         (m68k_decompose_index, m68k_legitimate_constant_address_p)
21287         (m68k_jump_table_ref_p, m68k_decompose_address)
21288         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
21289         (m68k_matches_u_p): New functions.
21290         (print_operand_address): Rewrite to use m68k_decompose_index.
21291
21292 2007-03-05  David Taylor  <dtaylor@emc.com>
21293
21294         * gcc.c: Correct copyright date in --version output.
21295
21296 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
21297
21298         * pa.md: In unamed move patterns, disparge copies between general
21299         and floating point registers using '?' modifier.  Don't include 'f'
21300         constraint for register preferences in DImode, SImode, HImode and
21301         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
21302         Remove constraints for copies between general and floating registers
21303         in soft-float DFmode pattern.
21304         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
21305         floating register.
21306         (movsf): Likewise.
21307
21308 2007-03-05  Mike Stump  <mrs@apple.com>
21309
21310         * c-common.c (targetcm): Add.
21311         * c-opts.c (c_common_handle_option): Handle language specific
21312         target options.
21313         * opts.c (handle_option): Verify language for target options, if
21314         any are given.
21315         * opth-gen.awk: Add CL_LANG_ALL.
21316         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
21317         (TARGETCM_INITIALIZER): Add.
21318         * target.h (struct gcc_targetcm): Add.
21319         (targetcm): Add.
21320         * targhooks.c (default_handle_c_option): Add.
21321         * targhooks.h (default_handle_c_option): Add.
21322         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
21323
21324         * config/darwin.opt (iframework): Add.
21325         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
21326         * config/darwin-c.c (handle_c_option): Add.
21327         (TARGET_HANDLE_C_OPTION): Add.
21328         (targetcm): Add.
21329         * doc/invoke.texi (Darwin Options): Add -iframework.
21330
21331 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
21332
21333         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
21334         conversion.
21335
21336 2007-03-05  Ian Lance Taylor  <iant@google.com>
21337
21338         * c.opt (fgnu89-inline): New option.
21339         * c-opts.c (c_common_post_options): Set default value for
21340         flag_gnu89_inline.
21341         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
21342         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
21343         inline functions.
21344         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
21345         (grokdeclarator, start_function): Likewise.
21346         * c-cppbuiltin.c (c_cpp_builtins): Define either
21347         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
21348         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
21349         (C Dialect Options): Document -fgnu89-inline.
21350         * doc/extend.texi (Function Attributes): Explain what the
21351         gnu_inline attribute does.
21352         * doc/cpp.texi (Common Predefined Macros): Document
21353         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
21354
21355 2007-03-05  Ian Lance Taylor  <iant@google.com>
21356
21357         PR tree-optimization/31034
21358         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
21359         half-range if the other side is an overflow infinity.
21360
21361 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
21362
21363         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
21364         (bfin*-linux-uclibc*): New configuration.
21365         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
21366         defining.
21367         * config/bfin/linux.h: New file.
21368         * config/bfin/libgcc-bfin.ver: New file.
21369         * config/bfin/t-bfin-uclinux: New file.
21370         * config/bfin/t-bfin-linux: New file.
21371         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
21372         (TARGET_OS_CPP_BUILTINS): New macro.
21373
21374 2007-03-05  Richard Guenther  <rguenther@suse.de>
21375
21376         * fold-const.c (fold_binary): Remove duplicate folding
21377         of comparison of non-null ADDR_EXPR against null.
21378
21379 2007-03-05  Richard Guenther  <rguenther@suse.de>
21380             Dorit Nuzman  <dorit@il.ibm.com>
21381
21382         PR tree-optimization/26420
21383         * tree-vectorizer.c (vectorize_loops): Bail out early if there
21384         are no loops in the function.  Only print the number of
21385         vectorized loops if it is greater than zero or we are supposed
21386         to print information about unvectorized loops.
21387
21388 2007-03-05  Revital Eres  <eres@il.ibm.com>
21389
21390         * gcc.dg/var-expand1.c: New test.
21391         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
21392         when an accumulator is expanded.
21393
21394 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
21395
21396         PR other/30465
21397         * c-common.c (convert_and_check): Don't give warnings for
21398         conversion if 'expr' already overflowed.
21399
21400 2007-03-04  Roger Sayle  <roger@eyesopen.com>
21401
21402         PR middle-end/30744
21403         * fold-const.c (fold_comparison): Enforce type consistency when
21404         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
21405
21406 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
21407
21408         * tree-ssa-address.c (create_mem_ref): Do not put an expression
21409         containing a cast to the base of TARGET_MEM_REF.
21410
21411 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
21412
21413         * tree.c (tree_contains_struct_check_failed): Remove spurious
21414         whitespace from error message.
21415
21416 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
21417
21418         PR target/30406
21419         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
21420         instead of precision.
21421
21422 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
21423             Nathan Sidwell  <nathan@codesourcery.com>
21424
21425         * emit-rtl.c (find_auto_inc): New.
21426         (try_split): recreate REG_INC notes,
21427         Use regular for loops rather than whiles.
21428
21429 2007-03-03  Andreas Schwab  <schwab@suse.de>
21430
21431         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
21432         * configure: Regenerate.
21433
21434 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
21435
21436         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
21437         flag_rounding_math, not flag_unsafe_math_optimizations.
21438
21439         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
21440         fold_build2.
21441         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
21442         alpha_fold_vector_minmax): Likewise.
21443         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
21444         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
21445
21446 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
21447
21448         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
21449         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
21450         if the lhs has side-effects.
21451         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
21452
21453 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
21454
21455         * config/i386/i386.h (TUNEMASK): Remove define.
21456         (ARCHMASK): Remove define.
21457         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
21458          Use ix86_arch_mask variable instead of ARCHMASK.
21459         * config/i386/i386.c (override_options): Ditto.
21460         (standard_80387_constant_p): Ditto.
21461
21462 2007-03-02  Ian Lance Taylor  <iant@google.com>
21463
21464         Used signed infinities in VRP.
21465         * tree-vrp.c (uses_overflow_infinity): New static function.
21466         (supports_overflow_infinity): New static function.
21467         (make_overflow_infinity): New static function.
21468         (negative_overflow_infinity): New static function.
21469         (positive_overflow_infinity): New static function.
21470         (is_negative_overflow_infinity): New static function.
21471         (is_positive_overflow_infinity): New static function.
21472         (is_overflow_infinity): New static function.
21473         (overflow_infinity_range_p): New static function.
21474         (compare_values_warnv): New function split out of compare_values.
21475         (compare_value): Call it.
21476         (set_value_range_to_nonnegative): Add overflow_infinity
21477         parameter.  Change caller.
21478         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
21479         Change callers.
21480         (vrp_expr_computes_nonzero): Likewise.
21481         (compare_ranges, compare_range_with_value): Likewise.
21482         (compare_name_with_value, compare_names): Likewise.
21483         (vrp_evaluate_conditional): Likewise.
21484         (set_value_range): Handle infinity
21485         (vrp_operand_equal_p, operand_less_p): Likewise.
21486         (extract_range_from_assert): Likewise.
21487         (vrp_int_const_binop): Likewise.
21488         (extract_range_from_binary_expr): Likewise.
21489         (extract_range_from_unary_expr): Likewise.
21490         (extract_range_from_comparison): Likewise.
21491         (extract_range_from_expr): Likewise.
21492         (dump_value_range): Likewise.
21493         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
21494         (test_for_singularity): Likewise.
21495         (vrp_int_const_binop): Remove inline qualifier.
21496         (adjust_range_with_scev): Add comment.
21497         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
21498
21499 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
21500
21501         * tree-ssa-structalias.c (could_have_pointers): Tidy.
21502         (get_constraint_for): Likewise.
21503         (do_structure_copy): Likewise.
21504         (find_func_aliases): Fix references to MODIFY_EXPR.
21505         (intra_create_variable_infos): Tidy.
21506         * tree-ssa-operands.c (add_virtual_operand): Add argument
21507         IS_CALL_SITE.
21508         When adding members of alias sets, if IS_CALL_SITE is true and
21509         the symbol is not call-clobbered, skip it.
21510         Adjust all callers.
21511
21512 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
21513
21514         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
21515         entry by means of emit_insn_at_entry.
21516
21517 2007-03-02  Richard Henderson  <rth@redhat.com>
21518
21519         * expr.h (promoted_input_arg): Remove decl.
21520         * function.c (promoted_input_arg): Merge into ...
21521         * combine.c (setup_incoming_promotions): ... only caller.
21522         Rearrange to avoid double loop.
21523
21524 2007-03-02  Ben Elliston  <bje@au.ibm.com>
21525             Peter Bergner  <bergner@vnet.ibm.com>
21526             Janis Johnson  <janis187@us.ibm.com>
21527
21528         * config/rs6000/dfp.md: New file.
21529         * config/rs6000/rs6000.md: Include dfp.md.
21530         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
21531         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
21532         and TDmode decimal float modes in FP registers.
21533         (num_insns_constant): Likewise.
21534         (rs6000_legitimate_offset_address_p): Likewise.
21535         (rs6000_legitimize_address): Likewise.
21536         (rs6000_legitimize_reload_address): Likewise.
21537         (rs6000_legitimate_address): Likewise.
21538         (rs6000_emit_move): Likewise.
21539         (function_arg_boundary): Likewise.
21540         (function_arg_advance): Likewise.
21541         (rs6000_darwin64_record_arg_recurse): Likewise.
21542         (function_arg): Likewise.
21543         (rs6000_gimplify_va_arg): Likewise.
21544         (rs6000_split_multireg_move): Likewise.
21545         (rs6000_output_function_epilogue): Likewise.
21546         (rs6000_output_function_epilogue): Likewise.
21547         (rs6000_register_move_cost): Likewise.
21548         (rs6000_function_value): Likewise.
21549         (rs6000_libcall_value): Likewise.
21550
21551 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
21552
21553         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
21554
21555 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
21556
21557         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
21558         Use $MULTIDIR to choose between the kernel and RTP headers,
21559         and use $WIND_BASE and $WIND_USR to locate them.
21560
21561 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
21562
21563         * config/i386/i386.c (override_options): Put initialization of
21564         ix86_tune_mask and ix86_arch_mask to the correct place.
21565
21566 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
21567             Michael Meissner  <michael.meissner@amd.com>
21568
21569         PR target/31019
21570         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
21571         (ARCHMASK): Define.
21572         (TARGET_CMOVE): Use ARCHMASK.
21573         (TARGET_CMPXCHG): Ditto.
21574         (TARGET_CMPXCHG8B): Ditto.
21575         (TARGET_XADD): Ditto.
21576         (TARGET_BSWAP): Ditto.
21577         * config/i386/i386.c (ix86_tune_mask): New global variable.
21578         (ix86_arch_mask): Ditto.
21579         (override_options): Initialize ix86_tune_mask and
21580         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
21581         target_flags.
21582
21583 2007-03-02  Ben Elliston  <bje@au.ibm.com>
21584
21585         PR 30992
21586         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
21587
21588 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
21589
21590         * target.h (init_dwarf_reg_sizes_extra): New target hook.
21591         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
21592         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
21593         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
21594         hook.
21595         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
21596         rs6000_init_dwarf_reg_sizes_extra): New.
21597         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
21598         SPE register high parts.
21599
21600 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
21601
21602         * Makefile.in: Add install-pdf target as
21603         copied from automake v1.10 rules.
21604         * configure.ac: Add install-pdf to target list.
21605         * configure: Regenerate.
21606
21607 2007-03-01  Paul Brook  <paul@codesourcery.com>
21608
21609         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
21610         modes to LDRD for DImode.
21611         (output_move_double): Fixup out of range ldrd/strd.
21612         (vfp_secondary_reload_class): Rename...
21613         (coproc_secondary_reload_class): ... to this.  Add wb argument.
21614         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
21615         coproc_secondary_reload_class for CLASS_IWMMXT.
21616         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
21617         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
21618
21619 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
21620
21621         * tree-ssa-loop-prefetch.c (determine_unroll_factor): Bound the
21622         unroll factor by the estimated number of iterations.
21623         (loop_prefetch_arrays): Do not prefetch in loops that iterate less
21624         than prefetch latency.
21625
21626         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
21627         decode_caches_intel, detect_caches_intel): New functions.
21628         (host_detect_local_cpu): Use detect_caches_amd and
21629         detect_caches_intel.
21630
21631 2007-03-01  Richard Henderson  <rth@redhat.com>
21632
21633         * expr.c (emit_move_complex_push): Export.
21634         (emit_move_complex_parts): Split out from ...
21635         (emit_move_complex): ... here.
21636         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
21637         * config/i386/i386.md (movcdi): New.
21638
21639 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
21640
21641         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
21642         size of mode1 to check for tieable modes in MMX case.
21643
21644 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
21645
21646         * Makefile.in (rtlanal.o): Depend on tree.h.
21647         * rtl.h (offset_within_section_p, split_const): Declare.
21648         * rtlanal.c: Include tree.h.
21649         (offset_within_block_p): New function, taken from
21650         mips_offset_within_object_p.
21651         (split_const): New function, taken from mips_split_const.
21652         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
21653         Declare.
21654         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
21655         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
21656         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
21657         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
21658         (m68k_illegitimate_symbolic_constant_p): New function.
21659         * config/m68k/m68k.md (movsi): Remove misleading predicates.
21660         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
21661         symbolic constant that might be outside the symbol's section,
21662         move the symbol first and then add the offset.
21663         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
21664         Override.
21665         * config/mips/mips.c (mips_split_const): Delete.
21666         (mips_offset_within_object_p): Delete.
21667         (mips_symbolic_constant_p): Use offset_within_section_p and
21668         split_const instead of mips_offset_within_object_p and
21669         mips_split_const.
21670         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
21671         (mips_legitimize_const_move, print_operand_reloc)
21672         (mips_dangerous_for_la25_p): Use split_const instead of
21673         mips_split_const.
21674
21675 2007-02-28  Eric Christopher  <echristo@apple.com>
21676
21677         * Makefile.in (install-include-dir): Don't rm -rf include.
21678
21679 2007-02-28  Richard Guenther  <rguenther@suse.de>
21680
21681         PR middle-end/30364
21682         * fold-const.c (fold_binary): Do not associate expressions
21683         with more than one variable for integer types that do not wrap.
21684
21685 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
21686
21687         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
21688         Delete, and replace with...
21689         (fold_builtin_call_array): This.  Update callers to use it.
21690         * fold-const.c (fold_build_call_list): Delete, and replace with...
21691         (fold_build_call_array): This.
21692         (fold_build_call_list_initializer): Delete, and replace with...
21693         (fold_build_call_array_initializer): This.
21694         * tree.h: Update declarations to reflect above changes.
21695
21696         * c-typeck.c (build_function_call): Store converted arguments
21697         in a stack-allocated array instead of building a list.
21698         (convert_arguments): Store arguments in the array passed in as an
21699         argument, and return the actual number of arguments.
21700         * c-format.c: (check_function_format): Pass arguments in an
21701         array instead of a list.
21702         * c-common.c (check_function_nonnull): Likewise.
21703         (check_function_sentinel): Likewise.
21704         (check_function_arguments): Likewise.
21705         * c-common.h: Update declarations to reflect above changes.
21706
21707 2007-02-28  Jan Hubicka  <jh@suse.cz>
21708
21709         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
21710         PRED_NEGATIVE_RETURN): Update outcomes.
21711
21712 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
21713
21714         * calls.c (emit_library_call_value_1): Handle partial registers
21715         correctly when building up CALL_INSN_FUNCTION_USAGE.
21716
21717 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
21718
21719         * pa/predicates.md (move_src_operand): Allow zero for mode.
21720         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
21721         move pattern.
21722
21723 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
21724
21725         PR target/30970
21726         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
21727         *movv2df_internal): Enable pattern only for valid operand
21728         combinations.
21729         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
21730         tie only 128bit modes. For MMX registers, tie only 64bit modes.
21731
21732 2007-02-27  Mike Stump  <mrs@apple.com>
21733
21734         * config/darwin-crt3.c: Avoid compilation when compiling for a
21735         kext multilib.
21736
21737 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
21738
21739         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
21740         FIXED_INCLUDE_DIR.
21741         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
21742         for fixed headers and limits.h.
21743         (install-include-dir, install-headers-tar, install-headers-cpio,
21744         install-headers-cp, real-install-headers-tar,
21745         real-install-headers-cpio, real-install-headers-cp): Handle
21746         include-fixed as well as include.
21747         (install-mkheaders): Don't install files that go only in include
21748         not include-fixed.
21749         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
21750         from GCC_INCLUDE_DIR.
21751         * gcc.c (process_command): Remove special -BstageN/ handling.
21752         (do_spec_1): Add include-fixed directories.
21753
21754 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
21755
21756         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
21757         _smulsi3_highpart.
21758         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
21759         New functions.
21760         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
21761         patterns.
21762
21763 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
21764
21765         * c-common.c (get_priority): Add check for
21766         SUPPORTS_INIT_PRIORITY.
21767
21768 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
21769
21770         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
21771
21772         * config/bfin/bfin.c: Include "cfglayout.h".
21773         (MAX_LSETUP_DISTANCE): New macro.
21774         (struct loop_info): New members incoming, incoming_src and
21775         incoming_dest.  Delete member predecessor.
21776         (length_for_loop): New function.
21777         (bfin_optimize_loop): Handle more different loop structures.
21778         (bfin_discover_loop): Rework detection of predecessor blocks by
21779         examining incoming edges.
21780         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
21781         bfin_reorg_loops.
21782         (bfin_reorder_loops): New function.
21783         (bfin_reorg_loops): Use these three new functions.
21784
21785         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
21786         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
21787         (CONSTRAINT_LEN): Add entry for 'q'.
21788         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
21789         Add 'q' constraints.
21790         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
21791         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
21792
21793         * config/bfin/bfin.md (add_with_carry): New pattern.
21794         (s_or_u, su_optab, su_modifier): New code macros/attrs.
21795         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
21796         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
21797         support unsigned multiplies too.  Removed incorrect commutativity from
21798         operand 1 constraint where appropriate.
21799         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
21800         patterns.
21801         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
21802         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
21803         New patterns.
21804         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
21805         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
21806         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
21807         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
21808         usmulhisi_hh_huh): New patterns.
21809
21810         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
21811         lshifthi3): Fix output template to use half reg for operand 2.
21812
21813         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
21814         instead of R2.
21815
21816         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
21817
21818 2007-02-27  Andreas Schwab  <schwab@suse.de>
21819
21820         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
21821
21822 2007-02-27  Jan Hubicka  <jh@suse.cz>
21823
21824         * predict.c (last_basic_block_p): Remove.
21825         (tree_estimate_probability): Update return heuristic for commonized
21826         return blocks.
21827
21828 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
21829
21830         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
21831
21832 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
21833
21834         * doc/include/gcc-common.texi (versionsubtitle): New macro.
21835         * doc/cpp.texi: Standardize title page.
21836         * doc/cppinternals.texi: Likewise.
21837         * doc/gcc.texi: Standardize title page, remove version number
21838         from copyright page.
21839         * doc/gccint.texi: Likewise.
21840         * doc/install.texi: Standardize title page, add table of
21841         contents.
21842
21843 2007-02-26  Jan Hubicka  <jh@suse.cz>
21844
21845         * predict.def: Set outcomes according to more recent results.
21846         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
21847         Remove dead predictors.
21848         * predict.c (return_prediction): Fix pasto.
21849
21850 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
21851
21852         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
21853         change; avoid a memory leak when returning early.
21854
21855 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
21856
21857         * c-decl.c (static_ctors): Move to c-common.c.
21858         (static_dtors): Likewise.
21859         (finish_function): Use c_record_cdtor_fn.
21860         (build_cdtor): Move to c-common.c.
21861         (c_write_global_declarations): Use c_build_cdtor_fns.
21862         * c-common.h (static_ctors): Declare.
21863         (static_dtors): Likewise.
21864         (c_record_cdtor_fn): Likewise.
21865         (c_build_cdtor_fns): Likewise.
21866         * c-common.c (static_ctors): New variable.
21867         (static_dtors): Likewise.
21868         (c_record_cdtor_fn): New function.
21869         (build_cdtor): Move from c-decl.c
21870         (c_build_cdtor_fns): New function.
21871
21872         * output.h (assemble_addr_to_section): Declare.
21873         (get_cdtor_priority_section): Likewise.
21874         * varasm.c (assemble_addr_to_section): New function.
21875         (get_cdtor_priority_section): Likewise.
21876         (default_named_section_asm_out_destructor): Use them.
21877         (destor_dtor_section_asm_out_destructor): Likewise.
21878         (default_named_section_asm_out_constructor): Likewise.
21879         (default_ctor_section_asm_out_constructor): Likewise.
21880         * config.gcc (*-*-vxworks*): Include vxworks.o.
21881         * config/t-vxworks (vxworks.o): New target.
21882         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
21883         (TARGET_ASM_CONSTRUCTOR): Define.
21884         (TARGET_ASM_DESTRUCTOR): Likewise.
21885         (vxworks_asm_out_constructor): Declare.
21886         (vxworks_asm_out_destructor): Likewise.
21887
21888         * c-common.c (get_priority): Check that we have not just an
21889         INTEGER_CST, but an integer constant with integeral type.
21890
21891 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
21892
21893         PR tree-optimization/30938
21894         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
21895         use &dt[nargs-1] instead of &dt[nargs] in the call to
21896         vect_is_simple_use().
21897
21898 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
21899
21900         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
21901         from register elimination as PRE_MODIFY / POST_MODIFY increments.
21902         Do not attempt to handle MEM inside auto-inc expressions.
21903         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
21904         of a register modified by an auto-inc expression.  However, do handle
21905         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
21906         (elimination_effects): Prohibit elimination of a register modified
21907         by an auto-inc expression.  Disable register elimination rules whose
21908         target register is modified by an auto-inc expression with variable
21909         increment.
21910
21911 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
21912
21913         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
21914         off-by-one error.
21915         (array_at_struct_end_p): New function.
21916         (idx_infer_loop_bounds): Use it.
21917         (estimate_numbers_of_iterations_loop): Export.
21918         * predict.c (predict_loops): Use estimated_loop_iterations_int.
21919         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
21920         (tree_estimate_probability): Call record_loop_exits.
21921         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
21922         (estimated_loop_iterations, estimated_loop_iterations_int,
21923         estimated_loop_iterations_tree): New functions.
21924         (analyze_siv_subscript_cst_affine,
21925         compute_overlap_steps_for_affine_1_2,
21926         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
21927         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
21928         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
21929         (PRED_LOOP_ITERATIONS_GUESSED): New.
21930         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
21931         * cfgloop.h (estimate_numbers_of_iterations_loop,
21932         estimated_loop_iterations_int): Declare.
21933
21934 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
21935
21936         * doc/extend.texi: Document optional priority argument to
21937         constructors and destructors.
21938         * tree.c (init_priority_for_decl): Adjust GTY markers.
21939         (init_ttree): Use priority-info hash functions for
21940         init_priority_for_decl.
21941         (tree_map_eq): Rename to ...
21942         (tree_map_base_eq): ... this.
21943         (tree_map_marked_p): Rename to ...
21944         (tree_map_base_marked_p): ... this.
21945         (tree_map_base_hash): New function.
21946         (decl_init_priority_lookup): Rework.
21947         (decl_fini_priority_lookup): New function.
21948         (decl_priority_info): New function.
21949         (decl_init_priority_insert): Use it.
21950         (decl_fini_priority_insert): Likewise.
21951         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
21952         hierarchy.
21953         (decl_restrict_base_insert): Likewise.
21954         (decl_debug_expr_insert): Likewise.
21955         (decl_value_expr_lookup): Likewise.
21956         (decl_value_expr_insert): Likewise.
21957         * tree.h (priority_type): New type.
21958         (decl_init_priority_lookup): Use priority_type.
21959         (decl_fini_priority_lookup): New function.
21960         (decl_init_priority_insert): Use priority_type.
21961         (decl_fini_priority_insert): New function.
21962         (DECL_HAS_INIT_PRIORITY): Tweak comments.
21963         (DECL_INIT_PRIORITY): Likewise.
21964         (SET_DECL_INIT_PRIORITY): Add comment.
21965         (DECL_FINI_PRIORITY): New macro.
21966         (SET_DECL_FINI_PRIORITY): Likewise.
21967         (DEFAULT_INIT_PRIORITY): Document.
21968         (MAX_INIT_PRIORITY): Likewise.
21969         (MAX_RESERVED_INIT_PRIORITY): Likewise.
21970         (tree_map_base): New type.
21971         (tree_map_base_eq): New function.
21972         (tree_map_base_hash): Likewise.
21973         (tree_map_base_marked_p): Likewise.
21974         (tree_map): Inherit from tree_map_base.
21975         (tree_map_eq): Make it a macro.
21976         (tree_map_marked_p): Likewise.
21977         (tree_int_map): Inherit from tree_map_base.
21978         (tree_int_map_eq): Make it a macro.
21979         (tree_int_map_hash): Likewise.
21980         (tree_int_map_marked_p): Likewise.
21981         (tree_priority_map): New type.
21982         (tree_priority_map_eq): New macro.
21983         (tree_priority_map_hash): Likewise.
21984         (tree_priority_map_marked_p): Likewise.
21985         * varasm.c (emults_decl): Adjust for refactoring of tree_map
21986         hierarchy.
21987         (emutls_common_1): Likewise.
21988         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
21989         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
21990         of tree_map hierarchy.
21991         * tree-cfg.c (move_stmt_r): Likewise.
21992         (new_label_mapper): Likewise.
21993         * c-tree.h (c_expand_body): Move to ...
21994         * c-common.h (c_expand_body): ... here.
21995         * c-decl.c (c_expand_body): Move to ...
21996         * c-common.c (c_expand_body): ... here.
21997         (c_common_attribute_table): Allow 1 argument for the constructor
21998         and destructor attributes.
21999         (get_priority): New function.
22000         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
22001         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
22002
22003 2007-02-24  Jan Hubicka  <jh@suse.cz>
22004
22005         PR middle-end/30509
22006         * tree-inline.c (copy_bb): Produce exact copy of EH info when
22007         copying for inlining.
22008
22009 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
22010             Jan Hubicka  <jh@suse.cz>
22011
22012         PR target/30778
22013         * i386.c (counter_mode): New function.
22014         (expand_set_or_movmem_via_loop): Use it.
22015         (expand_movmem_epilogue): Likewise; fix pasto.
22016         (ix86_expand_movmem): Do emit guard even for constant counts.
22017         (ix86_expand_setmem): Likewise.
22018
22019 2007-02-25  Nick Clifton  <nickc@redhat.com>
22020
22021         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
22022         (JUMP_TABLES_IN_TEXT_SECTION): Define.
22023
22024 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
22025
22026         PR target/30770
22027         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
22028         count argument with 0x10, not with 0x16.
22029         (expand_setmem_epilogue): Ditto.
22030
22031 2007-02-24  Mike Stump  <mrs@apple.com>
22032
22033         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
22034         symbols.
22035
22036 2007-02-24  Richard Guenther  <rguenther@suse.de>
22037
22038         PR middle-end/30951
22039         * fold-const.c (fold_binary): Fold x +- CST op x for
22040         EQ_EXPR and NE_EXPR.
22041
22042 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
22043
22044         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
22045
22046 2007-02-24  Jan Hubicka  <jh@suse.cz>
22047
22048         * cgraphunit.c (decide_is_function_needed): Honor
22049         -fkeep-inline-functions.
22050
22051 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
22052
22053         * builtins.c (fold_builtin_modf): New.
22054         (fold_builtin_2): Use it.
22055
22056 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
22057
22058         * loop-iv.c (implies_p): Detect additional cases where A implies B.
22059         (determine_max_iter): Take additional LOOP arg; all callers changed.
22060         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
22061         one using simplifications.
22062         (simplify_using_initial_values): Return if the expression becomes
22063         invalid due to altered regs.
22064
22065 2007-02-23  DJ Delorie  <dj@redhat.com>
22066
22067         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
22068
22069 2007-02-23  Mike Stump  <mrs@apple.com>
22070
22071         * tlink.c (scan_linker_output): Parse linker messages from
22072         darwin9's linker better.
22073
22074 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
22075
22076         PR debug/29614
22077         * varpool.c (varpool_assemble_pending_decls): Set
22078         varpool_last_needed_node to null.
22079
22080 2007-02-23  DJ Delorie  <dj@redhat.com>
22081
22082         * config/i386/i386.c (ix86_data_alignment): Don't specify an
22083         alignment bigger than the object file can handle.
22084
22085 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
22086
22087         PR target/30825
22088         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
22089         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
22090         (*movsf_1): Penalize MMX moves.
22091
22092 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
22093
22094         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
22095         2^32-1 or more times unless flag_unsafe_loop_optimizations.
22096
22097         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
22098
22099 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
22100
22101         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
22102         (fold_builtin_1): Use them.
22103         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
22104         BUILT_IN_SIGNIFICAND.
22105
22106 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
22107
22108         * config/i386/i386.c (bdesc_1arg): Initialize
22109         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
22110         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
22111         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
22112         and IX86_BUILTIN_MOVSLDUP.
22113
22114 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
22115
22116         PR rtl-optimization/30841
22117         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
22118
22119 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
22120
22121         * builtins.c (fold_builtin_frexp): New.
22122         (fold_builtin_2): Use it.
22123
22124 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
22125
22126         * doc/invoke.texi (Spec Files): Document getenv spec function.
22127
22128         * gcc.c (getenv_spec_function): New function.
22129         (static_spec_functions): Add it.
22130         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
22131         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
22132         header files.
22133
22134 2007-02-22  Michael Matz  <matz@suse.de
22135
22136         PR c++/29433
22137         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
22138         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
22139
22140 2007-02-22  Ian Lance Taylor  <iant@google.com>
22141
22142         PR debug/30898
22143         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
22144         (mem_loc_descriptor): Call it.
22145
22146 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
22147             Ira Rosen  <irar@il.ibm.com>
22148
22149         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
22150
22151 2007-02-22  Ira Rosen  <irar@il.ibm.com>
22152
22153         PR tree-optimization/30843
22154         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
22155         stores only after all the group is vectorized.
22156
22157 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
22158
22159         PR tree-optimization/30858
22160         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
22161         in the reduction cycle have a single use in the loop.
22162         * tree-vectorizer.h (relevant): Add documentation.
22163
22164 2007-02-20  Mike Stump  <mrs@apple.com>
22165
22166         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
22167         * configure: Regenerate.
22168
22169 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
22170
22171         Change the defaults of some parameters and options.
22172         * config/spu/spu-protos.h (spu_optimization_options): Declare.
22173         * config/spu/spu.c (spu_optimization_options): Add.
22174         (spu_override_options): Change params in spu_optimization_options.
22175         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
22176
22177         Register 127 is only 16 byte aligned when used as a frame pointer.
22178         * config/spu/spu-protos.h (spu_init_expanders): Declare.
22179         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
22180         HARD_FRAME_POINTER_REGNUM.
22181         (spu_legitimate_address): Use regno_aligned_for_reload.
22182         (regno_aligned_for_load): HARD_FRAME_POINTER_REGNUM is only 16 byte
22183         aligned when frame_pointer_needed is true.
22184         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
22185         to 8 bits.
22186         * config/spu/spu.h (INIT_EXPANDERS): Define.
22187
22188         Make sure shift and rotate instructions have valid immediate operands.
22189         * config/spu/predicates.md (spu_shift_operand): Remove.
22190         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
22191         * config/spu/constraints.md (W, O): Extend range.
22192         * config/spu/spu.md (umask, nmask): Define.
22193         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
22194         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
22195         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
22196         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
22197         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
22198         (lshr<mode>3_reg): Fix rtl description.
22199
22200         Make sure mulhisi immediate operands are valid.
22201         * config/spu/predicates.md (imm_K_operand): Add.
22202         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
22203
22204         Generate constants using fsmbi and andi.
22205         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
22206         (print_operand, spu_split_immediate, classify_immediate,
22207         fsmbi_const_p): Handle IC_FSMBI2.
22208
22209         Correctly handle a CONST_VECTOR containing symbols.
22210         * config/spu/spu.c (print_operand): Handle HIGH correctly.
22211         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
22212         (immediate_load_p): Allow symbols that use 2 instructions to create.
22213         (classify_immediate, spu_builtin_splats): Don't accept a CONST_VECTOR
22214         with symbols when flag_pic is set.
22215         (const_vector_immediate_p): New.
22216         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
22217         accept a CONST_VECTOR with symbols.
22218         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
22219         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
22220         correctly.
22221         * config/spu/spu.md (high, low): Delete.
22222         (low_<mode>): Define.
22223
22224         Remove INTRmode and INTR_REGNUM, which didn't work.
22225         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
22226         of INTR_REGNUM.
22227         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
22228         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
22229         peephole2 pattern): Don't use INTR or 131.
22230         (movintrcc): Delete.
22231         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
22232         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
22233         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
22234         (UNSPEC_SET_INTR): Add.
22235         * config/spu/spu-modes.def (INTR): Remove.
22236
22237         More accurate warnings about run-time relocations.
22238         * config/spu/spu.c (reloc_diagnostic): Test in_section.
22239
22240         Correctly warn about immediate arguments to specific intrinsics.
22241         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
22242         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
22243         the instruction predicate.
22244
22245         Fix tree check errors with latest update.
22246         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
22247         CALL_EXPR_ARG.
22248         (spu_expand_builtin): Use CALL_EXPR_FN.
22249
22250         Add missing specific intrinsics.
22251         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
22252         si_bislede.
22253         * config/spu/spu_internals.h: Ditto.
22254
22255         Fix incorrect operand modifiers.
22256         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu): Remove use of %H.
22257         * config/spu/spu.md (xor<mode>3): Change %S to %J.
22258
22259         Optimize one case of zero_extend of a vec_select.
22260         * config/spu/spu.md (_vec_extractv8hi_ze): Add.
22261
22262         Accept any immediate for hbr.
22263         * config/spu/spu.md (hbr): Change s constraints to i.
22264
22265 2007-02-21  Paul Brook  <paul@codesourcery.com>
22266
22267         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
22268         condexec_count when skipping USE and CLOBBER.
22269
22270 2007-02-21  Nick Clifton  <nickc@redhat.com>
22271
22272         * common.opt (Warray-bounds): Add Warning attribute.
22273         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
22274         Likewise.
22275         (fsized-zeroes): Add Optimization attribute.
22276         (fsplit-wide-types, ftree-scev-cprop): Likewise.
22277         * c.opt (Wc++0x-compat): Add Warning attribute.
22278
22279 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
22280
22281         PR middle-end/30761
22282         * reload1.c (eliminate_regs_in_insn): In the single_set special
22283         case, attempt to re-recognize the insn before falling back to
22284         having reload fix it up.
22285
22286 2007-02-20  Eric Christopher  <echristo@gmail.com>
22287
22288         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
22289         Rewrite accordingly.
22290         (frv_read_iacc_argument): Ditto.
22291         (frv_expand_set_builtin): Take a call instead of arglist, update for
22292         above changes.
22293         (frv_expand_unop_builtin): Ditto.
22294         (frv_expand_binop_builtin): Ditto.
22295         (frv_expand_cut_builtin): Ditto.
22296         (frv_expand_binopimm_builtin): Ditto.
22297         (frv_expand_voidbinop_builtin): Ditto.
22298         (frv_expand_int_void2arg): Ditto.
22299         (frv_expand_prefetches): Ditto.
22300         (frv_expand_voidtriop_builtin): Ditto.
22301         (frv_expand_voidaccop_builtin): Ditto.
22302         (frv_expand_load_builtin): Ditto.
22303         (frv_expand_store_builtin): Ditto.
22304         (frv_expand_mdpackh_builtin): Ditto.
22305         (frv_expand_mclracc_builtin): Ditto.
22306         (frv_expand_mrdacc_builtin): Ditto.
22307         (frv_expand_mwtacc_builtin): Ditto.
22308         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
22309         calls for above.
22310
22311 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
22312
22313         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
22314         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
22315         cmpb instruction.
22316         (HAVE_GAS_DFP): Check for assembler support of decimal floating
22317         point instructions.
22318         * configure: Regenerate.
22319         * config.in: Regenerate.
22320         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
22321         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
22322         masks to power6 and power6x and to POWERPC_MASKS.
22323         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
22324         _ARCH_PWR6.
22325         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
22326         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
22327         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
22328         Access PROTOTYPE as variable, not mask.
22329
22330 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
22331
22332         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
22333         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
22334         * combine.c (adjust_for_new_dest): Use it.
22335         * postreload.c (reload_combine): Likewise.
22336
22337 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
22338
22339         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
22340         notes on an insn with multiple sets, even if single_set returns
22341         non-NULL for that insn.
22342
22343 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
22344
22345         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
22346         scalbn and scalbln.
22347
22348 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
22349
22350         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
22351         if user didn't pass it.
22352         * config/i386/darwin.h (CC1_SPEC): Likewise.
22353         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
22354         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
22355         -mmacosx-version-min.
22356
22357 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
22358             Uros Bizjak  <ubizjak@gmail.com>
22359
22360         * optabs.h (enum optab_index): Add new OTI_scalb.
22361         (scalb_optab): Define corresponding macro.
22362         * optabs.c (init_optabs): Initialize scalb_optab.
22363         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
22364         patterns.
22365         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
22366         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
22367         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
22368         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
22369         flag_unsafe_math_optimizations is set.
22370
22371         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
22372         to implement scalbf, scalb and scalbl built-ins as inline x87
22373         intrinsics.
22374
22375 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
22376             DJ Delorie <dj@redhat.com>
22377
22378         PR other/30824
22379         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
22380         (diagnostic_report_diagnostic): ... here, and turn them into real
22381         errors. If warnings are inhibited, no need to do anything.
22382
22383 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
22384
22385         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
22386         better code generation.
22387
22388 2007-02-20  Ben Elliston  <bje@au.ibm.com>
22389
22390         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
22391
22392 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
22393
22394         * config/alpha/alpha.c, config/alpha/alpha.md,
22395         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
22396         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
22397         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
22398         config/arm/lib1funcs.asm: Follow spelling conventions.
22399
22400         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
22401         config/fr30/fr30.md, config/i386/i386.h,
22402         config/iq2000/iq2000.h, config/iq2000/predicates.md,
22403         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
22404         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
22405         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
22406         config/rs6000/altivec.md, config/rs6000/rs6000.c,
22407         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
22408         config/sparc/sparc.c, config/sparc/sparc.h,
22409         config/sparc/sparc.md, config/spu/constraints.md,
22410         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
22411         conventions.
22412
22413 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
22414
22415         PR target/29943
22416         * varasm.c (use_blocks_for_decl_p): Return false for decls with
22417         alias attribute.
22418
22419 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
22420
22421         * doc/invoke.texi (-ftree-lrs): Remove.
22422
22423 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
22424
22425         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
22426         NULL.
22427
22428 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
22429
22430         * config/ia64/ia64.c (ia64_expand_builtin): Use the
22431         new CALL_EXPR_FN macro for retrieving the function
22432         declaration of the input expression.
22433
22434 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
22435
22436         * c.opt (Waddress): New.
22437         * common.opt (Walways-true): Delete.
22438         (Wstring-literal-comparison): Delete.
22439         * doc/invoke.texi (Warning Options): Delete -Walways-true and
22440         -Wstring-literal-comparison. Add -Waddress.
22441         (Waddress): New.
22442         (Walways-true): Delete.
22443         (Wstring-literal-comparison): Delete.
22444         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
22445         consistently instead of -Walways-true in example.
22446         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
22447         * c-typeck.c (parser_build_binary_op): Replace
22448         -Wstring-literal-comparison and -Walways-true with -Waddress.
22449         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
22450         with -Waddress.
22451
22452 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
22453
22454         * tree-cfg.c (dump_function_to_file): Be prepared for functions
22455         without DECL_STRUCT_FUNCTION initialized.
22456
22457 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
22458
22459         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
22460         due to calls to functions taking pointers as parameters.
22461
22462 2007-02-19  Richard Henderson  <rth@redhat.com>
22463
22464         PR debug/29558
22465         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
22466         in memory.
22467
22468 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
22469
22470         * config/s390/s390.c (s390_call_saved_register_used,
22471         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
22472         accessed to the new scheme.
22473
22474 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
22475
22476         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
22477         (cris_print_index, cris_print_operand, cris_print_operand_address)
22478         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
22479         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
22480         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
22481         GET_CODE () == xxx.
22482         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
22483         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
22484         GO_IF_LEGITIMATE_ADDRESS): Ditto.
22485         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
22486         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
22487         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
22488         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
22489         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
22490         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
22491         (uminsi3, call, call_value): Ditto.
22492         (define_split: indir_to_reg_split, unnamed): Ditto.
22493
22494 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
22495
22496         PR tree-optimization/30975
22497         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
22498         wrong assert.
22499
22500 2007-02-18  Eric Christopher  <echristo@gmail.com>
22501
22502         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
22503         Remove use of arglist.
22504         (mips_expand_builtin): Remove use of arglist, pass in expr.
22505         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
22506         (mips_expand_builtin_movtf): Ditto.
22507         (mips_expand_builtin_compare): Ditto.
22508
22509 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
22510
22511         * tree-sra.c (sra_build_assignment): Replace assertion
22512         checking with a comment explaining why it can't be done.
22513
22514 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
22515
22516         PR middle-end/30833
22517         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
22518         during CALL_EXPR representation conversion.
22519         * tree-ssa-propagate.c (set_rhs): Likewise.
22520
22521 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
22522
22523         * tree-sra.c (sra_build_assignment): Disable assertion checking
22524         for now.
22525
22526 2007-02-18  Roger Sayle  <roger@eyesopen.com>
22527
22528         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
22529         instead of calling build2 with a GIMPLE_MODIFY_STMT.
22530         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
22531         Likewise.
22532         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
22533         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
22534         gimplify_init_ctor_eval_range, gimple_push_cleanup,
22535         gimplify_omp_for, gimplify_omp_atomic_pipeline,
22536         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
22537         force_gimple_operand): Likewise.
22538         * ipa-cp.c (constant_val_insert): Likewise.
22539         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
22540         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
22541         perfect_nestify): Likewise.
22542         * langhooks.c (lhd_omp_assignment): Likewise.
22543         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
22544         lower_copyprivate_clauses, lower_send_clauses,
22545         lower_send_shared_vars, expand_parallel_call,
22546         expand_omp_for_generic, expand_omp_for_static_nochunk,
22547         expand_omp_for_static_chunk, expand_omp_sections,
22548         lower_omp_single_copy, lower_omp_for_lastprivate,
22549         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
22550         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
22551         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
22552         Likewise.
22553
22554 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
22555
22556         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
22557         config/sh/sh.md: Follow spelling conventions.
22558
22559         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
22560         config/frv/predicates.md: Follow spelling conventions.
22561
22562         * config/m68k/linux-unwind.h: Fix a comment typo.
22563         * target.h: Follow spelling conventions.
22564
22565 2007-02-18  Roger Sayle  <roger@eyesopen.com>
22566
22567         PR rtl-optimization/28173
22568         * simplify-rtx.c (simplify_binary_operation_1) <IOR>: Optimize
22569         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
22570         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
22571         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
22572         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
22573
22574 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
22575
22576         * builtins.c (fold_builtin_load_exponent): New.
22577         (fold_builtin_2): Use it.
22578
22579 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
22580
22581         PR rtl-optimization/30773
22582         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
22583         if we fail to attach a REG_EQUIV note.
22584
22585 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
22586             Roger Sayle  <roger@eyesopen.com>
22587
22588         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
22589
22590 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
22591
22592         * calls.c (initialize_argument_information): Pass original EXP
22593         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
22594         code to split complex arguments here, as part of initializing the
22595         ARGS array.
22596         (expand_call): Remove code that builds a list of arguments and
22597         inserts implicit arguments into it.  Instead, just count how many
22598         implicit arguments there will be so we can determine the size of
22599         the ARGS array, and let initialize_argument_information do the work.
22600         (split_complex_values): Delete unused function.
22601
22602 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
22603
22604         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
22605
22606 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
22607
22608         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
22609         for arg pointer based indexed addressing.
22610
22611 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
22612
22613         * config/ia64/ia64.h, config/ia64/ia64.md,
22614         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
22615         spelling conventions.
22616
22617 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
22618
22619         * config/m68k/m68k.c (split_di): New.
22620         * config/m68k/m68k-protos.h: Declare split_di.
22621         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
22622           Improve predicate handling and split constant shifts.
22623
22624 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
22625
22626         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
22627         parameter for register bitfield operations, general predicates
22628         cleanup
22629
22630 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
22631
22632         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
22633         * config/m68k/linux-unwind.h: New file.
22634
22635 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
22636
22637         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
22638         config/i386/athlon.md, config/ia64/ia64.md,
22639         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
22640         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
22641         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
22642         tree-ssa-loop-niter.c, tree-vect-analyze.c,
22643         tree-vect-transform.c: Fix comment typos.
22644
22645 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
22646
22647         * sched-deps.c (find_insn_list): Remove.
22648         * sched-int.h: Remove the prototype for find_insn_list.
22649
22650 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
22651
22652         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
22653         to linker.
22654         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
22655         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
22656         darwin_rs6000_override_options.
22657         (C_COMMON_OVERRIDE_OPTIONS): Expect
22658         darwin_macosx_version_min to be non-NULL always.
22659         (TARGET_C99_FUNCTIONS): Likewise.
22660         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
22661         (DARWIN_MINVERSION_SPEC): New.
22662         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
22663         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
22664         to cc1*.
22665         (DARWIN_MINVERSION_SPEC): New.
22666         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
22667         value.
22668         * config/darwin-c.c (darwin_cpp_builtins): Expect
22669         darwin_macosx_version_min to be non-NULL always.
22670
22671         * config/rs6000/rs6000.c: Clean up trailing whitespace.
22672
22673 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
22674
22675         * config/i386/i386.h (x86_use_xchgb): New.
22676         (TARGET_USE_XCHGB): New macro.
22677         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
22678         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
22679         Split after reload into bswaphi for shifts of 8.
22680         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
22681         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
22682         or when optimizing for size.
22683
22684 2007-02-16  Richard Guenther  <rguenther@suse.de>
22685             Christian Bruel  <christian.bruel@st.com>
22686
22687         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
22688         DECLs but prefer SSA_NAMEs over DECLs.
22689
22690 2007-02-16  Richard Guenther  <rguenther@suse.de>
22691
22692         * tree-flow-inline.h (single_imm_use_p): Remove.
22693         (zero_imm_uses_p): Likewise.
22694         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
22695         instead of single_imm_use_p.
22696         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
22697         zero_imm_uses_p.
22698
22699 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
22700
22701         PR other/27843
22702         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
22703         nested double- and backquotes.
22704
22705 2007-02-15  Roger Sayle  <roger@eyesopen.com>
22706
22707         PR middle-end/30391
22708         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
22709         should be unreachable.
22710         (build2_stat): Allow construction of MODIFY_EXPR at any time.
22711         For the time being redirect GIMPLE_MODIFY_STMT to the new
22712         (renamed) build_gimple_modify_stmt_stat.
22713         (build2_gimple_stat): Rename to...
22714         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
22715         Always build a GIMPLE_MODIFY_STMT node.
22716         * tree.h (build2_gimple, build2_gimple_stat): Delete.
22717         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
22718         declarations.
22719
22720         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
22721         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
22722         * tree-complex.c (set_component_ssa_name, expand_complex_move,
22723         expand_complex_div_wide): Likewise.
22724         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
22725         * tree-ssa-loop-im.c (schedule_sm): Likewise.
22726         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
22727         * tree-ssa-loop-manip.c (create_iv): Likewise.
22728         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
22729         abs_replacement): Likewise.
22730         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
22731         realify_fake_stores): Likewise.
22732
22733         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
22734         node rather than a GIMPLE_MODIFY_STMT node.
22735         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
22736         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
22737         Likewise.
22738         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
22739         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
22740         GIMPLE_MODIFY_STMT.
22741
22742 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
22743
22744         PR middle-end/30433
22745         * fold-const.c (fold_comparison): Add back the
22746         folding of constant complex comparisions.
22747
22748 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
22749
22750         PR middle-end/30729
22751         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
22752         effects unknown to this function, return early.
22753
22754 2007-02-15  Ian Lance Taylor  <iant@google.com>
22755
22756         * lower-subreg.c (move_eh_region_note): New static function.
22757         (resolve_simple_move): Call it.
22758         (decompose_multiword_subregs): Track blocks for which we resolve a
22759         simple move which is also a control flow insn.  Pass them to
22760         find_many_sub_basic_blocks.
22761         (pass_lower_subreg): Add TODO_verify_flow.
22762         (pass_lower_subreg2): Likewise.
22763
22764 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
22765             Brooks Moses  <brooks.moses@codesourcery.com>
22766             Lee Millward  <lee.millward@codesourcery.com>
22767
22768         * tree.h (enum tree_code_class): Add tcc_vl_exp.
22769         (VL_EXP_CLASS_P): New.
22770         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
22771         TREE_CODE_LENGTH.
22772         (TREE_OPERAND_CHECK_CODE): Likewise.
22773         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
22774         (TREE_RTL_OPERAND_CHECK): Likewise.
22775         (tree_operand_check_failed): Make second parameter the whole tree
22776         instead of its code.  Fixed callers.
22777         (VL_EXP_CHECK): New.
22778         (TREE_OPERAND_LENGTH): New.
22779         (VL_EXP_OPERAND_LENGTH): New.
22780         (CALL_EXPR_FN): New.
22781         (CALL_EXPR_STATIC_CHAIN): New.
22782         (CALL_EXPR_ARGS): New.
22783         (CALL_EXPR_ARG): New.
22784         (call_expr_nargs): New.
22785         (CALL_EXPR_ARGP): New.
22786         (build_nt_call_list): Declare.
22787         (build_vl_exp_stat): Declare.
22788         (build_vl_exp): New.
22789         (build_call_list): Declare.
22790         (build_call_nary): Declare.
22791         (build_call_valist): Declare.
22792         (build_call_array): Declare.
22793         (call_expr_arg): Declare.
22794         (call_expr_argp): Declare.
22795         (call_expr_arglist): Declare.
22796         (fold_build_call_list): Declare.
22797         (fold_build_call_list_initializer): Declare.
22798         (fold_call_expr): Declare to replace fold_builtin.
22799         (fold_builtin_fputs): Update to agree with modified definition.
22800         (fold_builtin_strcpy): Likewise.
22801         (fold_builtin_strncpy): Likewise.
22802         (fold_builtin_memory_chk): Likewise.
22803         (fold_builtin_stxcpy_chk): Likewise.
22804         (fold_builtin_strncpy_chk): Likewise.
22805         (fold_builtin_next_arg): Likewise.
22806         (fold_build_call_expr): Declare.
22807         (fold_builtin_call_list): Declare.
22808         (fold_builtin_call_valist): Declare.
22809         (build_call_expr): Declare.
22810         (validate_arglist): Update to agree with modified definition.
22811         (tree_operand_length): New.
22812         (call_expr_arg_iterator): New.
22813         (init_call_expr_arg_iterator): New.
22814         (next_call_expr_arg): New.
22815         (first_call_expr_arg): New.
22816         (more_call_expr_args_p): New.
22817         (FOR_EACH_CALL_EXPR_ARG): New.
22818
22819         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
22820         and tcc_gimple_stmt.
22821         (tree_code_size): Update documentation.  Use sizeof (tree) rather
22822         than sizeof (char *).
22823         (tree_size): Likewise.  Add case for tcc_vl_exp.
22824         (tree_node_structure): Add case for tcc_vl_exp.
22825         (contains_placeholder_p): Likewise.
22826         (substitute_in_expr): Likewise.
22827         (substitute_placeholder_in_expr): Likewise.
22828         (stabilize_reference_1): Likewise.
22829         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
22830         to diagnose breakage of this interface for constructing CALL_EXPRs.
22831         (build_nt): Add similar assertion here.
22832         (build_nt_call_list): New.
22833         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
22834         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
22835         TREE_CODE_LENGTH.
22836         (get_callee_fndecl): Use new CALL_EXPR accessors.
22837         (tree_operand_check_failed): Change parameters to pass entire node
22838         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
22839         (process_call_operands): New.
22840         (build_vl_exp_stat): New.
22841         (build_call_list): New.
22842         (build_call_nary): New.
22843         (build_call_valist): New.
22844         (build_call_array): New.
22845         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
22846         (call_expr_arglist): New.
22847
22848         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
22849         tcc_vl_exp instead of a fixed-size tcc_expression.
22850
22851         * doc/c-tree.texi (CALL_EXPR): Document new representation and
22852         accessors for CALL_EXPRs.
22853         (AGGR_INIT_EXPR): Likewise.
22854
22855 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
22856             Brooks Moses  <brooks.moses@codesourcery.com>
22857             Lee Millward  <lee.millward@codesourcery.com>
22858
22859         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
22860         (expand_builtin_nonlocal_goto): Change parameter to be entire
22861         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
22862         (expand_builtin_prefetch): Likewise.
22863         (expand_builtin_classify_type): Likewise.
22864         (mathfn_built_in): Return NULL_TREE instead of 0.
22865         (expand_errno_check): Use new CALL_EXPR accessors.
22866         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
22867         Return NULL_RTX instead of 0.
22868         (expand_builtin_mathfn_2): Likewise.
22869         (expand_builtin_mathfn_3): Likewise.
22870         (expand_builtin_interclass_mathfn): Likewise.
22871         (expand_builtin_sincos): Likewise.
22872         (expand_builtin_cexpi): Likewise.
22873         (expand_builtin_int_roundingfn): Likewise.
22874         (expand_builtin_int_roundingfn_2): Likewise.
22875         (expand_builtin_pow): Likewise.
22876         (expand_builtin_powi): Likewise.
22877         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
22878         of arglist, fixing callers appropriately.  Use new CALL_EXPR
22879         accessors and constructors.  Return NULL_RTX instead of 0.
22880         (expand_builtin_strstr): Likewise.
22881         (expand_builtin_strchr): Likewise.
22882         (expand_builtin_strrchr): Likewise.
22883         (expand_builtin_strpbrk): Likewise.
22884         (expand_builtin_memcpy): Likewise.
22885         (expand_builtin_mempcpy): Likewise.
22886         (expand_builtin_mempcpy_args): New.
22887         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
22888         (expand_builtin_memmove_args): New.
22889         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
22890         (expand_movstr): Likewise.
22891         (expand_builtin_strcpy): Likewise.
22892         (expand_builtin_strcpy_args): New.
22893         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
22894         (expand_builtin_strncpy): Likewise.
22895         (expand_builtin_memset): Likewise.
22896         (expand_builtin_memset_args): New.
22897         (expand_builtin_bzero): Similarly to expand_builtin_memset.
22898         (expand_builtin_memcmp): Likewise.
22899         (expand_builtin_strcmp): Likewise.
22900         (expand_builtin_strncmp): Likewise.
22901         (expand_builtin_strcat): Likewise.
22902         (expand_builtin_strncat): Likewise.
22903         (expand_builtin_strspn): Likewise.
22904         (expand_builtin_strcspn): Likewise.
22905         (expand_builtin_args_info): Likewise.
22906         (expand_builtin_va_start): Likewise.
22907         (gimplify_va_arg_expr): Likewise.
22908         (expand_builtin_va_end): Likewise.
22909         (expand_builtin_va_copy): Likewise.
22910         (expand_builtin_frame_address): Likewise.
22911         (expand_builtin_alloca): Likewise.
22912         (expand_builtin_bswap): Likewise.
22913         (expand_builtin_unop): Likewise.
22914         (expand_builtin_fputs): Likewise.
22915         (expand_builtin_expect): Likewise.
22916         (expand_builtin_fabs): Likewise.
22917         (expand_builtin_copysign): Likewise.
22918         (expand_builtin_printf): Likewise.
22919         (expand_builtin_fprintf): Likewise.
22920         (expand_builtin_sprintf): Likewise.
22921         (expand_builtin_init_trampoline): Likewise.
22922         (expand_builtin_signbit): Likewise.
22923         (expand_builtin_fork_or_exec): Likewise.
22924         (expand_builtin_sync_operation): Likewise.
22925         (expand_builtin_compare_and_swap): Likewise.
22926         (expand_builtin_lock_test_and_set): Likewise.
22927         (expand_builtin_lock_release): Likewise.
22928         (expand_builtin): Likewise.
22929         (builtin_mathfn_code): Likewise.
22930
22931         (fold_builtin_constant_p): Pass call arguments individually instead
22932         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
22933         accessors and constructors.  Return NULL_TREE instead of 0.
22934         (fold_builtin_expect): Likewise.
22935         (fold_builtin_classify_type): Likewise.
22936         (fold_builtin_strlen): Likewise.
22937         (fold_builtin_nan): Likewise.
22938         (integer_valued_real_p): Likewise.
22939         (fold_trunc_transparent_mathfn): Likewise.
22940         (fold_fixed_mathfn): Likewise.
22941         (fold_builtin_cabs): Likewise.
22942         (fold_builtin_sqrt): Likewise.
22943         (fold_builtin_cbrt): Likewise.
22944         (fold_builtin_cos): Likewise.
22945         (fold_builtin_cosh): Likewise.
22946         (fold_builtin_tan): Likewise.
22947         (fold_builtin_sincos): Likewise.
22948         (fold_builtin_cexp): Likewise.
22949         (fold_builtin_trunc): Likewise.
22950         (fold_builtin_floor): Likewise.
22951         (fold_builtin_ceil): Likewise.
22952         (fold_builtin_round): Likewise.
22953         (fold_builtin_int_roundingfn): Likewise.
22954         (fold_builtin_bitop): Likewise.
22955         (fold_builtin_bswap): Likewise.
22956         (fold_builtin_logarithm): Likewise.
22957         (fold_builtin_hypot): Likewise.
22958         (fold_builtin_pow): Likewise.
22959         (fold_builtin_powi): Likewise.
22960         (fold_builtin_exponent): Likewise.
22961         (fold_builtin_memset): Likewise.
22962         (fold_builtin_bzero): Likewise.
22963         (fold_builtin_memory_op): Likewise.
22964         (fold_builtin_bcopy): Deleted; call site changed to invoke
22965         fold_builtin_memory_op directly.
22966         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
22967         (fold_builtin_strncpy): Likewise.
22968         (fold_builtin_memcmp): Likewise.
22969         (fold_builtin_strcmp): Likewise.
22970         (fold_builtin_strncmp): Likewise.
22971         (fold_builtin_signbit): Likewise.
22972         (fold_builtin_copysign): Likewise.
22973         (fold_builtin_isascii): Likewise.
22974         (fold_builtin_toascii): Likewise.
22975         (fold_builtin_isdigit): Likewise.
22976         (fold_builtin_fabs): Likewise.
22977         (fold_builtin_abs): Likewise.
22978         (fold_builtin_fmin_fmax): Likewise.
22979         (fold_builtin_carg): Likewise.
22980         (fold_builtin_classify): Likewise.
22981         (fold_builtin_unordered_cmp): Likewise.
22982
22983         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
22984         New functions split out from fold_builtin_1.
22985         (fold_builtin_n): New.
22986         (fold_builtin_varargs): New.
22987         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
22988         instead.
22989         (fold_call_expr): New.
22990         (build_function_call_expr): Rewrite to use new helper function.
22991         (fold_builtin_call_list): New.
22992         (build_call_expr): New.
22993         (fold_builtin_call_valist): New.
22994         (rewrite_call_expr): New.
22995         (validate_arg): New.
22996         (validate_arglist): Change parameter to be entire CALL_EXPR instead
22997         of an arglist.  Change return type to bool.  Use new CALL_EXPR
22998         accessors.
22999
23000         (fold_builtin_strstr): Pass call arguments individually instead
23001         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
23002         accessors and constructors.  Return NULL_TREE instead of 0.
23003         (fold_builtin_strchr): Likewise.
23004         (fold_builtin_strrchr): Likewise.
23005         (fold_builtin_strpbrk): Likewise.
23006         (fold_builtin_strcat): Likewise.
23007         (fold_builtin_strncat): Likewise.
23008         (fold_builtin_strspn): Likewise.
23009         (fold_builtin_strcspn): Likewise.
23010         (fold_builtin_fputs): Likewise.
23011         (fold_builtin_next_arg): Likewise.
23012         (fold_builtin_sprintf): Likewise.
23013
23014         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
23015         NULL_RTX instead of 0.
23016         (expand_builtin_memory_chk): Likewise.
23017         (maybe_emit_chk_warning): Likewise.
23018         (maybe_emit_sprintf_chk_warning): Likewise.
23019
23020         (fold_builtin_object_size): Pass call arguments individually instead
23021         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
23022         accessors and constructors.  Return NULL_TREE instead of 0.
23023         (fold_builtin_memory_chk): Likewise.
23024         (fold_builtin_stxcpy_chk): Likewise.
23025         (fold_builtin_strncpy_chk): Likewise.
23026         (fold_builtin_strcat_chk): Likewise.
23027         (fold_builtin_strcat_chk): Likewise.
23028         (fold_builtin_strncat_chk): Likewise.
23029         (fold_builtin_sprintf_chk): Likewise.
23030         (fold_builtin_snprintf_chk): Likewise.
23031         (fold_builtin_printf): Likewise.
23032         (fold_builtin_vprintf): Likewise.
23033
23034         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
23035         constructors.
23036         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
23037         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23038         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
23039         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
23040         (fold_unary): Likewise.
23041         (fold_binary): Likewise.
23042         (fold_ternary): Remove CALL_EXPR case, since they are no longer
23043         ternary expressions.
23044         (fold): Add logic for tcc_vl_exp.
23045         (fold_checksum_tree): Make it know about tcc_vl_exp.  Use
23046         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23047         (fold_build3_stat): Add assertion to flag broken interface for
23048         constructing CALL_EXPRs.
23049         (fold_build_call_list): New.
23050         (fold_build_call_list_initializer): New.
23051         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
23052         constructors.
23053         (fold_strip_sign_ops): Likewise.
23054
23055 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
23056             Brooks Moses  <brooks.moses@codesourcery.com>
23057             Lee Millward  <lee.millward@codesourcery.com>
23058
23059         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
23060         accessors and dump arguments explicitly.
23061
23062         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
23063         TREE_CODE_LENGTH.
23064         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
23065         explicitly.
23066         (print_call_name): Use new CALL_EXPR accessors.
23067
23068         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
23069         CALL_EXPR arguments explicitly instead of as a list.  Use
23070         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23071
23072         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
23073         (vrp_visit_stmt): Likewise.
23074
23075         * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Make it
23076         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
23077         TREE_CODE_LENGTH.
23078         (force_move_till_expr): Likewise.
23079
23080         * targhooks.c (default_external_stack_protect_fail): Use
23081         build_call_expr instead of build_function_call_expr.
23082         (default_hidden_stack_protect_fail): Likewise.
23083
23084         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
23085         build the call.
23086
23087         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
23088         and walk arguments explicitly.
23089
23090         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
23091         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23092         (expand_simple_operations): Likewise.
23093         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
23094
23095         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
23096         of TREE_CODE_LENGTH.
23097         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
23098
23099         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
23100         instead of TREE_CODE_LENGTH.
23101
23102         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
23103         (tree_ic_transform): Likewise.
23104         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
23105         parameter instead of arglist.  Fix callers.
23106         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
23107         (tree_stringops_transform): Likewise.
23108         (tree_indirect_call_to_profile): Likewise.
23109         (tree_stringops_values_to_profile): Likewise.
23110
23111         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
23112         (eliminate_tail_call): Likewise.
23113
23114         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
23115
23116         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
23117         Use TREE_OPERAND_LENGTH and generalize to handle any number of
23118         operands.
23119         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
23120
23121         * omp-low.c (build_omp_barrier): Use build_call_expr.
23122         (lower_rec_input_clauses): Likewise.
23123         (lower_reduction_clauses): Likewise.
23124         (expand_parallel_call): Likewise.
23125         (maybe_catch_exception): Likewise.
23126         (expand_omp_for_generic): Likewise.
23127         (expand_omp_for_static_nochunk): Likewise.
23128         (expand_omp_sections): Likewise.
23129         (lower_omp_single_simple): Likewise.
23130         (lower_omp_single_copy): Likewise.
23131         (lower_omp_master): Likewise.
23132         (lower_omp_ordered): Likewise.
23133         (lower_omp_critical): Likewise.
23134
23135         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
23136         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
23137
23138         * tree-gimple.c (is_gimple_call_addr): Fix doc.
23139         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
23140         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
23141
23142         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
23143         and generalize to handle any number of operands.
23144         (chrec_contains_undetermined): Likewise.
23145         (tree_contains_chrecs): Likewise.
23146         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
23147
23148         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
23149
23150         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
23151         fold_call_expr instead of fold_builtin.
23152         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
23153         match declarations there.
23154         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
23155         updates.
23156
23157         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
23158         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23159
23160         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
23161         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
23162
23163         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
23164         accessors.
23165
23166         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
23167         (execute_cse_sincos): Use new CALL_EXPR accessors.
23168
23169         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
23170
23171         * gimple-low.c (lower_function_body): Use build_call_expr.
23172         (lower_builtin_setjmp): Likewise.
23173
23174         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
23175         (set_storage_via_libcall): Likewise.
23176         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
23177         instead of TREE_CODE_LENGTH.
23178         (expand_expr_real_1): Use new CALL_EXPR accessors.
23179
23180         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
23181         generalize to handle any number of operands.
23182         (TB_parent_eq): Likewise.
23183
23184         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
23185         (strip_builtin_expect): Likewise.
23186
23187         * function.c (gimplify_parameters): Use build_call_expr.
23188
23189         * tree-vectorizer.c (vect_is_simple_reduction): Use
23190         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23191
23192         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
23193         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
23194
23195         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
23196         iterators.
23197
23198         * gimplify.c (build_stack_save_restore): Use build_call_expr.
23199         (gimplify_decl_expr): Likewise.
23200         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
23201         Use new CALL_EXPR iterators.
23202         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
23203         (gimplify_modify_expr_to_memset): Likewise.
23204         (gimplify_variable_sized_compare): Likewise.
23205         (gimplify_omp_atomic_fetch_op): Likewise.
23206         (gimplify_omp_atomic_pipeline): Likewise.
23207         (gimplify_omp_atomic_mutex): Likewise.
23208         (gimplify_function_tree): Likewise.
23209
23210         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
23211         (call_expr_flags): Likewise.
23212         (expand_call): Likewise.
23213
23214         * except.c (expand_builtin_eh_return_data_regno): Pass entire
23215         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
23216         accessors.
23217
23218         * coverage.c (create_coverage): Use build_call_expr.
23219
23220         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
23221         (temp_call_expr_obstack): New.
23222         (pool_copy_list): Delete.
23223         (temp_copy_call_expr): New.
23224         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
23225         CALL_EXPR accessors.  Get rid of special goo for copying argument
23226         lists and use temp_copy_call_expr instead.
23227         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
23228         CALL_EXPR accessors.
23229         (create_expression_by_pieces): Likewise.  Use build_call_array
23230         to construct the result instead of fold_build3.
23231         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
23232         dealing with argument lists.
23233         (init_pre): Remove references to expression_node_pool and
23234         list_node_pool.  Init temp_call_expr_obstack instead.
23235         (fini_pre): Remove references to expression_node_pool and
23236         list_node_pool.
23237
23238         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
23239         and walk arguments explicitly instead of as a list.
23240
23241         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
23242         (mx_register_decls): Likewise.
23243         (mudflap_register_call): Likewise.
23244         (mudflap_finish_file): Likewise.
23245
23246         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
23247         (ipa_callsite_compute_param): Likewise.
23248
23249         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
23250         accessors and constructor.
23251
23252         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
23253         accessors and constructor.
23254         (convert_tramp_reference): Likewise.
23255         (convert_call_expr): Likewise.
23256         (finalize_nesting_tree_1): Likewise.
23257
23258         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
23259         accessors.
23260
23261         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
23262
23263         * tree-inline.c (initialize_inlined_parameters): Pass entire
23264         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
23265         accessors.
23266         (estimate_num_insns_1): Use new CALL_EXPR accessors.
23267         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
23268
23269         * tree-vect-transform.c (vect_create_epilog_for_reduction): Use
23270         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23271         (vectorizable_reduction): Likewise.
23272         (vectorizable_call): Use new CALL_EXPR iterators.
23273         (vectorizable_conversion): Use build_call_expr.
23274         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
23275         (vect_gen_widened_results_half): Use build_call_expr.
23276         (vect_setup_realignment): Likewise.
23277         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
23278
23279         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
23280         (pass_through_call): Likewise.
23281         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
23282         fold_builtin.
23283
23284         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
23285         (tree_gen_pow2_profiler): Likewise.
23286         (tree_gen_one_value_profiler): Likewise.
23287         (tree_gen_ic_func_profiler): Likewise.
23288         (tree_gen_average_profiler): Likewise.
23289         (tree_gen_ior_profiler): Likewise.
23290
23291         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
23292         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
23293         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23294
23295         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
23296         of TREE_CODE_LENGTH.
23297
23298         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
23299         of TREE_CODE_LENGTH.
23300
23301         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
23302         constructor.
23303         (convert_to_integer): Likewise.
23304
23305         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
23306         accessors.
23307
23308 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
23309             Brooks Moses  <brooks.moses@codesourcery.com>
23310             Lee Millward  <lee.millward@codesourcery.com>
23311
23312         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
23313         accessors.
23314         * config/frv/frv.c (frv_expand_builtin): Likewise.
23315         * config/s390/s390.c (s390_expand_builtin): Likewise.
23316
23317         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
23318         (sparc_expand_builtin): Use new CALL_EXPR accessors.
23319
23320         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
23321         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
23322         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
23323         (ix86_expand_store_builtin): Likewise.
23324         (ix86_expand_unop_builtin): Likewise.
23325         (ix86_expand_unop1_builtin): Likewise.
23326         (ix86_expand_sse_compare): Likewise.
23327         (ix86_expand_sse_comi): Likewise.
23328         (ix86_expand_vec_init_builtin): Likewise.
23329         (ix86_expand_vec_ext_builtin): Likewise.
23330         (ix86_expand_vec_set_builtin): Likewise.
23331         (ix86_expand_builtin): Use new CALL_EXPR accessors.
23332
23333         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
23334         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
23335
23336         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
23337         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
23338         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
23339
23340         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
23341         build_call_expr.
23342         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
23343         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
23344         arglist.  Use new CALL_EXPR accessors.  Fix callers.
23345         (altivec_expand_abs_builtin): Likewise.
23346         (rs6000_expand_binop_builtin): Likewise.
23347         (altivec_expand_predicate_builtin): Likewise.
23348         (altivec_expand_lv_builtin): Likewise.
23349         (spe_expand_stv_builtin): Likewise.
23350         (altivec_expand_stv_builtin): Likewise.
23351         (rs6000_expand_ternop_builtin): Likewise.
23352         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
23353         (altivec_expand_st_builtin): Likewise.
23354         (altivec_expand_dst_builtin): Likewise.
23355         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
23356         arglist.  Use new CALL_EXPR accessors.  Fix callers.
23357         (altivec_expand_vec_set_builtin): Likewise.
23358         (altivec_expand_vec_ext_builtin): Likewise.
23359         (altivec_expand_builtin): Use new CALL_EXPR accessors.
23360         (spe_expand_builtin): Likewise.
23361         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
23362         arglist.  Use new CALL_EXPR accessors.  Fix callers.
23363         (spe_expand_evsel_builtin): Likewise.
23364         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
23365         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
23366
23367         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
23368         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
23369         (arm_expand_unop_builtin): Likewise.
23370         (arm_expand_builtin): Use new CALL_EXPR accessors.
23371
23372         * config/mips/mips.c (mips_expand_builtin): Use new CALL_EXPR
23373         accessors.
23374
23375         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire
23376         CALL_EXPR instead of arglist.  Use new CALL_EXPR accessors.
23377         Fix callers.
23378         (bfin_expand_unop_builtin): Likewise.
23379         (bfin_expand_builtin): Use new CALL_EXPR accessors.
23380
23381 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
23382             Brooks Moses  <brooks.moses@codesourcery.com>
23383             Lee Millward  <lee.millward@codesourcery.com>
23384
23385         * c-semantics.c (build_stmt): Add internal diagnostic check.
23386
23387         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
23388         accessors.  Print arguments explicitly instead of as a list.
23389
23390         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
23391
23392         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
23393         (c_finish_omp_flish): Likewise.
23394
23395         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
23396         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
23397         instead of TREE_CODE_LENGTH.
23398         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
23399         (c_warn_unused_result): Likewise.
23400
23401 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
23402
23403         PR c/26494
23404         * doc/invoke.texi (Warning Options): Remove
23405         -Werror-implicit-function-declaration.
23406         (Wimplicit-function-declaration): Update description.
23407         * opts.c (common_handle_option): Move handling of -Werror=* to...
23408         (enable_warning_as_error): ...here.
23409         * opts.h (enable_warning_as_error): Declare.
23410         * c-decl.c (implicit_decl_warning): Unless
23411         -Wno-implicit-function-declaration is given, emit a pedwarn if
23412         -std=c99 or emit a warning if -Wimplicit-function-declaration.
23413         * c.opt (Wimplicit-function-declaration): Replace
23414         mesg_implicit_function_declaration with
23415         warn_implicit_function_declaration.
23416         * c-opts.c (c_common_handle_option):
23417         -Werror-implicit-function-declaration is exactly equal as
23418         -Werror=implicit-function-declaration.
23419         (set_Wimplicit): Replace mesg_implicit_function_declaration with
23420         warn_implicit_function_declaration.
23421         (c_common_post_options): -Wimplict-function-declaration is enabled
23422         by default by -std=c99, otherwise is disabled by default.
23423         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
23424
23425 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
23426
23427         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
23428         DECL on the rhs to a DECL on the lhs for debug info purposes if the
23429         former is ignored but not the latter.
23430
23431 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
23432
23433         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
23434         is made and the reference doesn't use the alias set of its type,
23435         do not create the temporary using that type.
23436
23437 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
23438
23439         * jump.c: Remove prototypes for delete_computation and
23440         delete_prior_computation.
23441
23442 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
23443
23444         * jump.c (get_label_after): Delete.
23445         (get_label_before, delete_computation, delete_jump,
23446         delete_prior_computation, follow_jumps): Move...
23447         * reorg.c (delete_computation, delete_prior_computation): ... here...
23448         (get_label_before, delete_jump): ... making these static ...
23449         (follow_jumps): ... and simplifying this since it only runs after
23450         reload.
23451         * rtl.h (get_label_after, get_label_before, delete_jump,
23452         follow_jumps): Delete prototypes.
23453
23454 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
23455
23456         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
23457
23458 2007-02-15  Nick Clifton  <nickc@redhat.com>
23459
23460         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
23461         order to prevent it from being munged by the target.
23462
23463 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
23464
23465         * config/i386/i386.md: Remove misleading comment.
23466
23467 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
23468
23469         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
23470         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
23471         invalid patterns.
23472
23473 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
23474
23475         * tree-sra.c (instantiate_missing_elements): Canonicalize
23476         bit-field types.
23477         (sra_build_assignment): New.
23478         (generate_copy_inout, generate_element_copy,
23479         generate_element_zero, generate_one_element_init): Use it.
23480
23481 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
23482
23483         * tree-sra.c (instantiate_missing_elements): Canonicalize
23484         bit-field types.
23485         (sra_build_assignment): New.
23486         (generate_copy_inout, generate_element_copy,
23487         generate_element_zero, generate_one_element_init): Use it.
23488
23489 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
23490
23491         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
23492         limbo die nodes.
23493
23494 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
23495
23496         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
23497         types as aggregates not scalars.
23498         * function.c (assign_stack_temp_for_type): Likewise.
23499
23500 2007-02-14  Roger Sayle  <roger@eyesopen.com>
23501             Zdenek Dvorak  <dvorakz@suse.cz>
23502
23503         * tree-dump.c (dump_switch_p_1): Require exact match of the option
23504         name.
23505
23506 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
23507
23508         * passes.c (next_pass_1): Clear the next field of the copied
23509         pass structure.
23510
23511 2007-02-14  Richard Henderson  <rth@redhat.com>
23512
23513         * tree-sra.c (early_sra): New.
23514         (decl_can_be_decomposed_p): Deny va_list if early_sra.
23515         (tree_sra_early, pass_sra_early): New.
23516         * tree-pass.h (pass_sra_early): Declare.
23517         * passes.c (init_optimization_passes): Use it.
23518
23519 2007-02-14  Richard Guenther  <rguenther@suse.de>
23520
23521         * flags.h (issue_strict_overflow_warning): Convert to a macro.
23522
23523 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
23524
23525          PR tree-optimization/30771
23526         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
23527         also phi nodes.
23528         (vect_analyze_operations): Induction phis can now be marked as
23529         used_in_loop.
23530         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
23531         Update documentation accordingly.
23532
23533 2007-02-14  Nick Clifton  <nickc@redhat.com>
23534
23535         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
23536         most 3 arguments are supported.
23537         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
23538
23539 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
23540
23541         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
23542         Ensure dst->current is valid.
23543
23544 2007-02-13  Paul Brook  <paul@codesourcery.com>
23545
23546         * config.gcc: Add arm*-*-uclinux-*eabi.
23547         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
23548         (SUBTARGET_EXTRA_LINK_SPEC): Define.
23549         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
23550         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
23551         (LINK_SPEC): Define.
23552         (LIB_SPEC): Define.
23553         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
23554         register.
23555         * config/arm/uclinux-eabi.h: New file.
23556         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
23557         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
23558         based targets.
23559
23560 2007-02-13  Ian Lance Taylor  <iant@google.com>
23561
23562         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
23563         * flags.h (warn_strict_overflow): Declare.
23564         (enum warn_strict_overflow_code): Define.
23565         (issue_strict_overflow_warning): New static inline function.
23566         * opts.c (warn_strict_overflow): New variable.
23567         (common_handle_option): Handle OPT_Wstrict_overflow and
23568         OPT_Wstrict_overflow_.
23569         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
23570         OPT_Wall.
23571         * fold-const.c: Include intl.h.
23572         (fold_deferring_overflow_warnings): New static variable.
23573         (fold_deferred_overflow_warning): New static variable.
23574         (fold_deferred_overflow_code): New static variable.
23575         (fold_defer_overflow_warnings): New function.
23576         (fold_undefer_overflow_warnings): New function.
23577         (fold_undefer_and_ignore_overflow_warnings): New function.
23578         (fold_deferring_overflow_warnings_p): New function.
23579         (fold_overflow_warning): New static function.
23580         (make_range): Add strict_overflow_p parameter.  Change all
23581         callers.
23582         (extract_muldiv, extract_muldiv_1): Likewise.
23583         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
23584         tree_expr_nonnegative_p.
23585         (fold_negate_expr): Call fold_overflow_warning.
23586         (fold_range_test): Likewise.
23587         (fold_comparison): Likewise.
23588         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
23589         instead of tree_expr_nonnegative_p.
23590         (tree_expr_nonnegative_warnv_p): Rename from
23591         tree_expr_nonnegative_p, add strict_overflow_p parameter.
23592         (tree_expr_nonnegative_p): New function.
23593         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
23594         strict_overflow_p parameter.
23595         (tree_expr_nonzero_p): New function.
23596         * passes.c (verify_interpass_invariants): New static function.
23597         (execute_one_pass): Call it.
23598         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
23599         warnings.
23600         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
23601         (estimate_numbers_of_iterations): Likewise.
23602         (scev_probably_wraps_p): Likewise.
23603         * tree-ssa-ccp.c: Include "toplev.h".
23604         (evaluate_stmt): Defer fold overflow warnings until we know we are
23605         going to optimize.
23606         (struct fold_stmt_r_data): Add stmt field.
23607         (fold_stmt_r): Defer fold overflow warnings until we know we
23608         optimized.
23609         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
23610         (fold_stmt_inplace): Likewise.
23611         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
23612         (cleanup_control_expr_graph): Defer fold overflow warnings until
23613         we know we are going to optimize.
23614         * tree-cfg.c (fold_cond_expr_cond): Likewise.
23615         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
23616         Likewise.
23617         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
23618         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
23619         * tree-ssa-loop-manip.c (create_iv): Likewise.
23620         * c-typeck.c (build_conditional_expr): Likewise.
23621         (build_binary_op): Likewise.
23622         * tree-vrp.c (vrp_expr_computes_nonzero): Call
23623         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
23624         (extract_range_from_unary_expr): Likewise.
23625         * simplify-rtx.c (simplify_const_relational_operation): Warn when
23626         assuming that signed overflow does not occur.
23627         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
23628         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
23629         (fold_defer_overflow_warnings): Declare.
23630         (fold_undefer_overflow_warnings): Declare.
23631         (fold_undefer_and_ignore_overflow_warnings): Declare.
23632         (fold_deferring_overflow_warnings_p): Declare.
23633         (tree_expr_nonzero_warnv_p): Declare.
23634         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
23635         of warning options.
23636         (Warning Options): Document -Wstrict-overflow.
23637         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
23638         (tree-ssa-ccp.o): Likewise.
23639         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
23640         (fold-const.o): Depend on intl.h.
23641
23642 2007-02-13  Ian Lance Taylor  <iant@google.com>
23643
23644         PR middle-end/30751
23645         * lower-subreg.c (resolve_simple_move): Decompose subregs in
23646         addresses.
23647
23648 2007-02-13  Stuart Hastings  <stuart@apple.com>
23649
23650         * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
23651
23652 2007-02-13  Richard Henderson  <rth@redhat.com>
23653
23654         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
23655         handled_component_p before looking for the indirect_ref.
23656
23657 2007-02-13  Richard Henderson  <rth@redhat.com>
23658
23659         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
23660         remove flags clobber.
23661         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
23662         (bswaphi_lowpart): New.
23663         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
23664         remove TARGET_BSWAP test.  Delete expander of the same name.
23665
23666         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
23667         (expand_unop): Use them.
23668
23669 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
23670
23671         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
23672         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
23673         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
23674         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
23675         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
23676         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
23677         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
23678         assembler dialect choice from asm templates.
23679
23680 2007-02-12  Richard Henderson  <rth@redhat.com>
23681
23682         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
23683         (fixuns_trunc<SSEMODEF>si2): Use it.
23684         * config/i386/sse.md (vec_setv4sf_0): Export.
23685         * config/i386/i386.c (ix86_build_const_vector): Export.
23686         (ix86_split_convert_uns_si_sse): Rename from
23687         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
23688         * config/i386/i386-protos.h: Update.
23689
23690 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
23691
23692         PR c/29521
23693         * c-typeck.c (c_finish_return): Improve warning message.
23694
23695 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
23696
23697         * alias.c (find_symbolic_term): Delete unused function.
23698
23699 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
23700
23701         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
23702         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
23703         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
23704
23705 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
23706
23707         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
23708         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
23709         the function, temporarily point the debug interface to the null one.
23710
23711 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
23712
23713         * dwarf2out.c (round_up_to_align): New static function.
23714         (field_byte_offset): Use it to round the offset.
23715
23716 2007-02-12  Richard Henderson  <rth@redhat.com>
23717
23718         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
23719         (inswl_const): Export.
23720
23721 2007-02-12  Richard Henderson  <rth@redhat.com>
23722
23723         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
23724         result mode of the libcall, convert back to outmode.
23725
23726 2007-02-12  Roger Sayle  <roger@eyesopen.com>
23727
23728         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
23729         (bswapdi2): New define_expand to implement 32-bit implementation.
23730
23731 2007-02-12  Nick Clifton  <nickc@redhat.com>
23732
23733         * doc/invoke.texi (Overall Options): Document --help=.
23734         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
23735         (cc1_options): Pass --help= on to cc1.
23736         (display_help): Add description of --help=.
23737         (process_command): Add code to handle --help=.  Allow translated
23738         --help and --target-help switches to be passed on to compiler
23739         sub-process.
23740         (main): Remove unused if statement.
23741         * opts.c (columns): Remove.
23742         (LEFT_COLUMN): Define.
23743         (wrap_help): Add columns argument.
23744         (print_filtered_help): Change parameters to be an include bitmask,
23745         an exclude bitmask, an any bitmask and the column width.  Move the
23746         code to display the params list here.  Add code to display the
23747         status of options rather than their descriptions if the quiet flag
23748         is not active.
23749         (print_specific_help): Change parameters to be an include bitmask,
23750         an exclude bitmask and an any bitmask.  Move code to look up the
23751         column width here.  Decide upon the title for an options listing.
23752         (common_handle_options): Add code to handle --help=.  Adapt code
23753         for --help and --target-help to use the revised form of the
23754         print_specific_help function.
23755         (print_help): Delete.
23756         (print_param_help): Delete.
23757         (print_switch): Delete.
23758         * opts.h (cl_lang_count): Add prototype.
23759         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
23760         CL_MAX_OPTION_CLASS): New defines.
23761         * optc-gen.awk: Add construction of cl_lang_count.
23762         * c.opt: Add Warning attribute to warning options and Optimization
23763         attribute to optimization options.
23764         * common.opt: Likewise.
23765         Add --help=.
23766         Add -fhelp and -ftarget-help as aliases for the transformed --help
23767         and --target-help options.
23768         * opt-functions.awk: Add code to handle Warning and Optimization
23769         attributes.
23770
23771 2007-02-12  Richard Henderson  <rth@redhat.com>
23772
23773         * config/alpha/constraints.md: New file.
23774         * config/alpha/alpha.c: Include tm-constrs.h.
23775         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
23776         alpha_extra_constraint): Remove.
23777         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
23778         * config/alpha/alpha-protos.h: Update.
23779         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
23780         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
23781         (EXTRA_CONSTRAINT): Remove.
23782         * config/alpha/alpha.md: Include constraints.md.
23783         (adddi splitter): Use satisfies_constraint_*.
23784         * config/alpha/predicates.md (add_operand): Likewise.
23785         (sext_add_operand, addition_operation): Likewise.
23786
23787 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
23788
23789         PR tree-optimization/29145
23790         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
23791         in our handling of restrict qualified pointers.
23792
23793 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
23794
23795         PR middle-end/7651
23796         * doc/invoke.texi (Wunused-value): Update description.
23797         (Wextra): Delete item.
23798         * opts.c (set_Wextra): Don't use the value of Wextra to set the
23799         value of Wunused-value.
23800         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
23801         (c_finish_stmt_expr): Don't check extra_warnings.
23802         (emit_side_effect_warnings): The caller is responsible to check
23803         warn_unused_value.
23804
23805 2007-02-11  Roger Sayle  <roger@eyesopen.com>
23806             Matt Thomas  <matt@3am-software.com>
23807
23808         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
23809
23810 2007-02-11  Roger Sayle  <roger@eyesopen.com>
23811
23812         * simplify-rtx.c (simplify_relational_operation_1): Optimize
23813         comparisons of POPCOUNT against zero.
23814         (simplify_const_relational_operation): Likewise.
23815
23816 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
23817
23818         * doc/invoke.texi (Wextra): Delete outdated paragraph.
23819
23820 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
23821
23822         * dwarf2out.c (root_type): Delete unused function.
23823
23824 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
23825
23826         * genattrtab.c (contained_in_p): Delete unused function.
23827         (write_expr_attr_cache): Likewise.
23828
23829 2007-02-11  Jan Hubicka  <jh@suse.cz>
23830
23831         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
23832         previous patch.
23833
23834 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
23835
23836         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
23837         to add the REG_EQ* note.
23838         * see.c (see_merge_one_use_extension): Likewise.
23839         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
23840         turn REG_EQUAL notes into REG_EQUIV notes if the target
23841         register may have more than one set.
23842         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
23843         * gcse.c (try_replace_reg): Likewise.
23844         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
23845         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
23846         more than one REG_EQUIV note.
23847         * reload1.c (gen_reload): Use set_unique_reg_note.
23848
23849 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
23850
23851         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
23852         (ix86_builtin_conversion): New function.
23853
23854 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
23855
23856         PR target/29487
23857         * tree.h (DECL_REPLACEABLE_P): New macro.
23858         * except.c (set_nothrow_function_flags): Likewise.
23859
23860 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
23861             Ira Rosen  <irar@il.ibm.com>
23862             Dorit Nuzman  <dorit@il.ibm.com>
23863
23864         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
23865         * targhooks.c (default_builtin_vectorized_conversion): New.
23866         * targhooks.h (default_builtin_vectorized_function): New declaration.
23867         * target.h (struct vectorize): Add builtin_conversion field.
23868         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
23869         stmt_vec_info_type value.
23870         (vectorizable_conversion): New declaration.
23871         * tree-vect-analyze.c (vect_analyze_operations): Add
23872         vectorizable_conversion call.
23873         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
23874         * tree-vect-transform.c (vectorizable_conversion): New function.
23875         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
23876         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
23877         mode.
23878         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
23879         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
23880         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
23881         or ALTIVEC_BUILTIN_VCFSX.
23882
23883 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
23884
23885         PR target/30634
23886         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
23887         CONST_DOUBLE and operand 0 is a hard register.
23888         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
23889         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
23890         is a hard floating-point register.
23891
23892 2007-02-10  Richard Henderson  <rth@redhat.com>
23893             Jakub Jelinek  <jakub@redhat.com>
23894             Alexandre Oliva  <aoliva@redhat.com>
23895
23896         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
23897         * builtin-types.def (BT_WORD): Make unsigned.
23898         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
23899         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
23900         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
23901         * c-decl.c (grokdeclarator): Don't error if !have_tls.
23902         * c-parser.c (c_parser_omp_threadprivate): Likewise.
23903         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
23904         emulated tls.
23905         * expr.c (emutls_var_address): New.
23906         (expand_expr_real_1): Expand emulated tls.
23907         (expand_expr_addr_expr_1): Likewise.
23908         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
23909         * output.h (emutls_finish): Declare.
23910         * toplev.c (compile_file): Call it.
23911         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
23912         address before wrapping in CONST.
23913         * varasm.c (emutls_htab, emutls_object_type): New.
23914         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
23915         (get_emutls_object_name, get_emutls_object_type): New.
23916         (get_emutls_init_templ_addr, emutls_decl): New.
23917         (emutls_common_1, emutls_finish): New.
23918         (assemble_variable): When emulating tls, swap decls; generate
23919         constructor for the emutls objects.
23920         (do_assemble_alias): When emulating tls, swap decl and target name.
23921         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
23922         for emulated tls.
23923         * varpool.c (decide_is_variable_needed): Look at force_output.
23924         Recurse for emulated tls.
23925         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
23926         with decide_is_variable_needed.
23927         * emutls.c: New file.
23928         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
23929         tls_object for real tls.
23930
23931 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
23932
23933         PR rtl-optimization/29599
23934         * reload1.c (eliminate_regs_in_insn): Take the destination
23935         mode into account when computing the offset.
23936
23937 2007-02-09  Stuart Hastings  <stuart@apple.com>
23938             Richard Henderson  <rth@redhat.com>
23939
23940         * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
23941         * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
23942         * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
23943         fixuns_truncdfhi2): New.
23944         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
23945         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
23946         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
23947         (floatunssidf2): Allow nonimmediate source.
23948         * config/i386/sse.md (movdi_to_sse): New.
23949         (vec_concatv2di): Drop '*'.
23950         * config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
23951         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
23952         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
23953         New.
23954         * config/i386/i386.c (ix86_expand_convert_uns_si_sse,
23955         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
23956         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
23957         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
23958         (ix86_build_signbit_mask): Fix decl of v, refactor to call
23959         ix86_build_const_vector.
23960         (x86_emit_floatuns): Rewrite.
23961
23962 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
23963
23964         * genautomata.c (longest_path_length): Delete unused function.
23965         (struct state): Delete unused longest_path_length.
23966         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
23967         (get_free_state): Delete unused.
23968
23969 2007-02-09  Jan Hubicka  <jh@suse.cz>
23970
23971         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
23972         * doc/invoke.texi (inline-unit-growth): Update default value.
23973
23974         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
23975         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
23976         (rebuild_cgraph_edges): Likewise.
23977         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
23978         (dump_cgraph_node): Dump frequencies.
23979         (cgraph_clone_edge): Add frequency scales.
23980         (cgraph_clone_node): Add freuqnecy.
23981         * cgraph.h (cgraph_edge): Add freuqnecy argument.
23982         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
23983         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
23984         * tree-pass.h (TODO_rebuild_frequencies): New constant.
23985         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
23986         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
23987         (save_inline_function_body): Likewise.
23988         * ipa-inline.c: inluce rtl.h
23989         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
23990         (cgraph_edge_badness): Use frequencies.
23991         (cgraph_decide_recursive_inlining): Update clonning.
23992         (cgraph_decide_inlining_of_small_function): Dump frequency.
23993         * predict.c (estimate_bb_frequencies): Export.
23994         * predict.h (estimate_bb_frequencies): Declare.
23995         * tree-inline.c (copy_bb): Watch overflows.
23996         (expand_call_inline): Update call of cgraph_create_edge.
23997         (optimize_inline_calls): Use TODO flags to update frequnecies.
23998         * passes.h: Include predict.h
23999         (init_optimization_passes): Move profile ahead.
24000         (execute_function_todo): Handle TODO_rebuild_frequencies.
24001
24002 2007-02-09  Roger Sayle  <roger@eyesopen.com>
24003
24004         * config/alpha/alpha.c (emit_insxl): Force the first operand of
24005         the insbl or inswl pattern into a register.
24006
24007 2007-02-09  Roger Sayle  <roger@eyesopen.com>
24008
24009         * config/ia64/ia64.md (bswapdi2): New define_insn.
24010
24011 2007-02-09  Richard Henderson  <rth@redhat.com>
24012
24013         * config/i386/constraints.md (Ym): New constraint.
24014         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
24015         (movdi_1_rex64): Split sse and xmm general register moves from
24016         memory move alternatives.  Use conditional register constraints.
24017         (movsf_1, movdf_integer): Likewise.
24018         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
24019         (movdf_integer_rex64): New.
24020         (pushsf_rex64): Fix output constraints.
24021         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
24022         (sse2_stored): Likewise.
24023         (sse2_storeq_rex64): New.
24024         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
24025         amd and not generic.
24026         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
24027         for optimize_size.  Remove SF/DFmode hack.
24028
24029 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
24030
24031         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
24032         (bit_SSE4a): New.
24033
24034 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
24035             Richard Sandiford  <richard@codesourcery.com>
24036
24037         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
24038         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
24039         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
24040         m68k/t-mlib to tmake_file.
24041         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
24042         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
24043         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
24044         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
24045         variable is not empty, add t-$m68k_arch_family to tmake_file.
24046         Add t-mlibs to tmake_file.
24047         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
24048         * config/m68k/t-cf: New file.
24049         * config/m68k/t-m68k: Likewise.
24050         * config/m68k/t-mlibs: Likewise.
24051         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
24052         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
24053         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
24054         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
24055         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
24056         Delete.
24057         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
24058         (INSTALL_LIBGCC): Delete.
24059         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
24060         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
24061         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
24062         (M68K_MLIB_CPU): Define.
24063         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
24064         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
24065         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
24066
24067 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
24068             Richard Guenther  <rguenther@suse.de>
24069
24070         PR middle-end/23361
24071         * fold-const.c (fold_comparison): Handle obfuscated comparisons
24072         against INT_MIN/INT_MAX.
24073         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
24074         file if a loop is removed.
24075
24076 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
24077
24078         * calls.c (store_one_arg): Pass correct alignment to
24079         emit_push_insn for non-BLKmode values.
24080         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
24081         unaligned stack slot via a suitably aligned slot.
24082
24083 2007-02-08  DJ Delorie  <dj@redhat.com>
24084
24085         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
24086         warnings.
24087         (legal_subregs): Use unsigned char, make const.
24088         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
24089
24090 2007-02-08  Paul Brook  <paul@codesourcery.com>
24091
24092         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
24093         special interworking needed.
24094
24095 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
24096
24097         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
24098         conditional to __SSE2__.
24099         (Entries below should have been added to first ChangeLog
24100         entry for amdfam10 dated 2007-02-05)
24101         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
24102         defined.
24103         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
24104         defined.
24105         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
24106         defined.
24107
24108 2007-02-08  DJ Delorie  <dj@redhat.com>
24109
24110         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
24111         * config/m32c/m32c.c (legal_subregs): New.
24112         (m32c_illegal_subreg_p): New.
24113         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
24114         unsupported subregs of hard regs.
24115
24116 2007-02-08  Jan Hubicka  <jh@suse.cz>
24117
24118         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
24119         the same one; always update histograms.
24120
24121 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
24122
24123         * passes.c (init_optimization_passes): Tidy comment.
24124
24125 2007-02-08  Roger Sayle  <roger@eyesopen.com>
24126
24127         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
24128         strip zero_extend, bswap and rotates from POCOUNT's argument.
24129         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
24130         zero_extend and rotates from PARITY's argument.
24131         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
24132         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
24133         of an integer constant at compile-time.
24134
24135 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
24136
24137         PR 30562
24138         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
24139         Update all users.
24140         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
24141         users.
24142         (init_alias_info):
24143         * tree-ssa-live.c (remove_unused_locals): Do not remove
24144         TREE_ADDRESSABLE variables.
24145         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
24146         * tree-ssa-operands.c (add_virtual_operand): Remove argument
24147         FOR_CLOBBER.  Update all users.
24148         If VAR has an associated alias set, add a virtual operand for
24149         it if no alias is found to conflict with the memory reference.
24150
24151 2007-02-07  Jan Hubicka  <jh@suse.cz>
24152             Robert Kidd <rkidd@crhc.uiuc.edu>
24153
24154         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
24155
24156 2007-02-07  Ian Lance Taylor  <iant@google.com>
24157
24158         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
24159
24160 2007-02-07  Roger Sayle  <roger@eyesopen.com>
24161
24162         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
24163         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
24164         tablejumpdi, movsi_to_cr_one): Remove constraints from
24165         define_expand's match_operands.
24166
24167 2007-02-07  Roger Sayle  <roger@eyesopen.com>
24168
24169         * global.c (compute_regsets): Move declatation of "i" inside of
24170         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
24171
24172 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
24173
24174         PR c++/30703
24175         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
24176         of INDIRECT_REF <RESULT_DECL>.
24177
24178         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
24179
24180 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
24181             Kaz Kojima  <kkojima@gcc.gnu.org>
24182
24183         PR target/29746
24184         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
24185         properly.
24186         (sh_initialize_trampoline): Add parentheses to avoid a warning.
24187
24188 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
24189
24190         * doc/loop.texi: Document possibility not to perform disambiguation
24191         of loops with multiple latches.
24192         * cfgloopmanip.c (alp_enum_p): Removed.
24193         (add_loop): Handle subloops.  Use get_loop_body_with_size.
24194         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
24195         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
24196         the new forwarder block.
24197         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
24198         Handle the case latch is NULL.
24199         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg
24200         modifications when marking loop exits.
24201         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
24202         be modified.
24203         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
24204         disambiguate_loops_with_multiple_latches.
24205         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
24206         before fix_loop_structure.
24207         * cfgloop.c: Include pointer-set.h and output.h.
24208         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
24209         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
24210         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
24211         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
24212         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
24213         disambiguate_multiple_latches, get_loop_body_with_size,
24214         disambiguate_loops_with_multiple_latches): New functions.
24215         (flow_loop_dump): Dump multiple latch edges.
24216         (flow_loop_nodes_find): Handle loops with multiple latches.
24217         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
24218         (glb_enum_p): Modified.
24219         (get_loop_body): Use get_loop_body_with_size.
24220         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
24221         (AVOID_CFG_MODIFICATIONS): New constant.
24222         (disambiguate_loops_with_multiple_latches, add_loop,
24223         get_loop_body_with_size): Declare.
24224         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
24225
24226 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
24227
24228         PR inline-asm/28686
24229         * global.c (compute_regsets): New function.
24230         (global_alloc): Refactored ELIMINABLE_REGSET
24231         and NO_GLOBAL_ALLOC_REGS computation out.
24232         (rest_of_handle_global_alloc): Call compute_regsets()
24233         for non-optimizing case.
24234
24235 2007-02-06  Richard Henderson  <rth@redhat.com>
24236
24237         * config/i386/constraints.md (Y2): Rename from Y.
24238         (Yi): New constraint.
24239         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
24240         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
24241         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
24242         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
24243         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
24244         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
24245         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
24246         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
24247         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
24248         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
24249         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
24250         vec_extractv2si_1): Change Y constraints to Y2.
24251         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
24252         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
24253         Change Y constraints to Y2.
24254         (sse2_loadld): Change Y constraints to x.
24255
24256 2007-02-06  Roger Sayle  <roger@eyesopen.com>
24257
24258         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
24259         (parity<mode>2): New define_expand using rs6000_emit_parity.
24260         * config/rs6000/rs6000.c (rs6000_emit_popcount,
24261         rs6000_emit_parity): New functions.
24262         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
24263         rs6000_emit_parity): Prototype here.
24264
24265 2007-02-06  Ian Lance Taylor  <iant@google.com>
24266
24267         * lower-subreg.c (simple_move_operand): Reject CONST.
24268         (resolve_clobber): Call validate_change rather than directly
24269         assigning to XEXP (pat, 0).
24270
24271 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
24272
24273         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
24274         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
24275         (tree-cfg.o): Remove hashtab.h dependency.
24276
24277         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
24278         (struct ivopts_data): Change niters to pointer_map_t.
24279         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
24280         (niter_for_exit): Create pointer_map on demand.  Change for
24281         pointer_map API.
24282         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
24283         (free_loop_data): Destroy data->niters if created and reset field.
24284         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
24285         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
24286
24287         * tree-ssa-reassoc.c: Include pointer-set.h.
24288         (bb_rank): Change to long *.
24289         (operand_rank): Change to pointer_map_t.
24290         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
24291         (insert_operand_rank): Accept long.
24292         (operand_entry_hash, operand_entry_eq): Remove.
24293         (get_rank): Return long.  Adjust for changes above.
24294         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
24295         and operand_rank.
24296         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
24297
24298         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
24299         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
24300         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
24301         is not NULL.
24302         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
24303         directly since it cannot be NULL.
24304         (get_vi_for_tree): Rewrite for pointer_map API.
24305         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
24306         (init_alias_vars): Create vi_for_tree as pointer_map.
24307         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
24308
24309         * tree-cfg.c: Don't include hashtab.h.
24310         (edge_to_cases): Declare as pointer_map.
24311         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
24312         Delete.
24313         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
24314         (start_recording_case_labels): Create edge_to_cases as pointer_map.
24315         (end_recoding_case_labels): Cleanup edge_to_cases manually before
24316         destroying it.
24317         (record_switch_edge): Delete.
24318         (get_cases_for_edge): Adjust for pointer_map API, inline
24319         record_switch_edge (rewritten for new API), remove goto.
24320
24321 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
24322
24323         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
24324         * tree-nested.c: Include pointer-set.h.
24325         (var_map_elt, var_map_eq, var_map_hash): Delete.
24326         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
24327         to pointer_map_t's.
24328         (nesting_info_bitmap_obstack): New.
24329         (lookup_field_for_decl): Adjust for pointer_map API.
24330         (lookup_tramp_for_decl): Adjust for pointer_map API.
24331         (get_nonlocal_debug_decl): Adjust for pointer_map API.
24332         (get_local_debug_decl): Adjust for pointer_map API.
24333         (convert_nl_goto_reference): Adjust for pointer_map API.
24334         (convert_nl_goto_receiver): Adjust for pointer_map API.
24335         (create_nesting_tree): Create outside GGC space.  Create bitmap on
24336         the new obstack.  Create field_map and var_map as pointer_maps.
24337         (free_nesting_tree): Adjust for changes to create_nesting_tree.
24338         (root): Delete.
24339         (lower_nested_functions): Move root here, no need to NULL it.
24340         Initialize and release the obstack.
24341
24342 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
24343
24344         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
24345         Remove prototypes and make them non-static.
24346         (struct tree_int_map): Remove.
24347         * tree.h (struct tree_int_map): Move here, turning TO into an
24348         unsigned int.
24349         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
24350
24351         * tree.h (TREE_COMPLEXITY): Remove.
24352         (struct tree_exp): Remove complexity field.
24353         * tree.c (build1_stat): Don't set it.
24354
24355 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
24356             Victor Kaplansky  <victork@il.ibm.com>
24357
24358         * tree-vectorizer.c (vect_is_simple_use): Support induction.
24359         (vect_is_simple_reduction): Support reduction with induction as
24360         one of the operands.
24361         (vect_is_simple_iv_evolution): Fix formatting.
24362         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
24363         formatting.  Don't mark induction phis for vectorization.
24364         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
24365         * tree-vect-transform.c (get_initial_def_for_induction): New function.
24366         (vect_get_vec_def_for_operand): Support induction.
24367         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
24368         induction case.
24369         (vectorizable_reduction): Support reduction with induction as one of
24370         the operands.
24371         (vectorizable_type_demotion): Use def-type of stmt argument rather
24372         than dummy def-type.
24373
24374         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
24375         flag_tree_scev_cprop.
24376         * common.opt (tree-scev-cprop): New flag.
24377
24378         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
24379         call to vect_get_new_vect_var.
24380
24381 2007-02-06  Ira Rosen  <irar@il.ibm.com>
24382
24383         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
24384         vectype is not NULL.
24385         (vect_pattern_recog_1): Likewise.
24386
24387 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
24388
24389         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
24390         (fold_negate_expr): Likewise.
24391
24392 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
24393
24394         PR debug/30189
24395         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
24396         even if cv-qualification is the same.
24397
24398 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
24399
24400         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
24401         __enable_execute_stack on completion.
24402
24403 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24404
24405         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
24406         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
24407         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
24408         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
24409         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
24410         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
24411         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
24412         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
24413
24414 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24415
24416         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
24417         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
24418         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
24419         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
24420         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
24421         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
24422         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
24423         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
24424         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
24425         umuldi3_highpart_rex64, umulsi3_highpart_insn,
24426         umulsi3_highpart_zext, smuldi3_highpart_rex64,
24427         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
24428         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
24429         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
24430         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
24431         sqrtextenddfxf2_i387): Added amdfam10_decode.
24432
24433         * config/i386/athlon.md (athlon_idirect_amdfam10,
24434         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
24435         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
24436         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
24437         athlon_ivector_store_amdfam10): New define_insn_reservation.
24438         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
24439         amdfam10.
24440
24441 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24442
24443         * config/i386/athlon.md (athlon_call_amdfam10,
24444         athlon_pop_amdfam10, athlon_lea_amdfam10): New
24445         define_insn_reservation.
24446         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
24447         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
24448         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
24449
24450 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24451
24452         * config/i386/athlon.md (athlon_sseld_amdfam10,
24453         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
24454         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
24455
24456 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24457
24458         * config/i386/athlon.md (athlon_sseins_amdfam10): New
24459         define_insn_reservation.
24460         * config/i386/i386.md (sseins): Added sseins to define_attr type
24461         and define_attr unit.
24462         * config/i386/sse.md: Set type attribute to sseins for insertq
24463         and insertqi.
24464
24465 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24466
24467         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
24468         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
24469         ssecomi_load_amdfam10, ssecomi_amdfam10,
24470         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
24471         define_insn_reservation.
24472         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
24473
24474 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24475
24476         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
24477         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
24478         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
24479         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
24480         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
24481         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
24482         define_insn_reservation.
24483
24484         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
24485         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
24486         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
24487         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
24488         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
24489
24490 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24491
24492         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
24493         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
24494         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
24495         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
24496         athlon_ssemul_load_k8): Added amdfam10.
24497
24498 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24499
24500         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
24501         (x86_sse_unaligned_move_optimal): New variable.
24502
24503         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
24504         m_AMDFAM10.
24505         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
24506         for unaligned vector SSE double/single precision loads for AMDFAM10.
24507
24508 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24509
24510         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
24511         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
24512         Define TARGET_CPU_DEFAULT_amdfam10.
24513         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
24514         (processor_type): Add PROCESSOR_AMDFAM10.
24515
24516         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
24517         processor_type in config/i386/i386.h.
24518         Enable imul peepholes for TARGET_AMDFAM10.
24519
24520         * config.gcc: Add support for --with-cpu option for amdfam10.
24521
24522         * config/i386/i386.c (amdfam10_cost): New variable.
24523         (m_AMDFAM10): New macro.
24524         (m_ATHLON_K8_AMDFAM10): New macro.
24525         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
24526         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
24527         x86_promote_QImode, x86_integer_DFmode_moves,
24528         x86_partial_reg_dependency, x86_memory_mismatch_stall,
24529         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
24530         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
24531         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
24532         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
24533         Enable/disable for amdfam10.
24534         (override_options): Add amdfam10_cost to processor_target_table.
24535         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
24536         processor_alias_table.
24537         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
24538         (ix86_adjust_cost): Add code for amdfam10.
24539
24540 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24541
24542         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
24543         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
24544         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
24545         * config/i386/i386.h: Add builtin definition for SSE4A.
24546         * config/i386/i386.md: Add support for ABM instructions
24547         (popcnt and lzcnt).
24548         * config/i386/sse.md: Add support for SSE4A instructions
24549         (movntss, movntsd, extrq, insertq).
24550         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
24551         Add -march=amdfam10 flag.
24552         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
24553         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
24554         and amdfam10.
24555         * doc/extend.texi: Add documentation for SSE4A builtins.
24556
24557 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
24558
24559         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
24560
24561 2007-02-05  Richard Guenther  <rguenther@suse.de>
24562
24563         * tree-vectorizer.h (vectorizable_function): Add argument type
24564         argument, change return type.
24565         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
24566         * tree-vect-transform.c (vectorizable_function): Handle extra
24567         argument, return vectorized function decl.
24568         (build_vectorized_function_call): Remove.
24569         (vectorizable_call): Handle calls with result and argument types
24570         differing.  Handle loop vectorization factor correctly.
24571         * targhooks.c (default_builtin_vectorized_function): Adjust for
24572         extra argument.
24573         * targhooks.h (default_builtin_vectorized_function): Likewise.
24574         * target.h (builtin_vectorized_function): Add argument type
24575         argument.
24576         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
24577         extra argument, allow vectorizing of lrintf.
24578         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
24579         documentation of target hook.
24580
24581 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
24582
24583         PR target/30665
24584         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
24585         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
24586         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
24587
24588 2007-02-05  Roger Sayle  <roger@eyesopen.com>
24589
24590         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
24591         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
24592         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
24593         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
24594         before canonicalizing sincos to cexpi.
24595         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
24596
24597 2007-02-05  Roger Sayle  <roger@eyesopen.com>
24598
24599         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
24600         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
24601         (alpha_init_builtins): Use alpha_add_builtins to process tables.
24602
24603 2007-02-05  Roger Sayle  <roger@eyesopen.com>
24604
24605         * mips-tfile.c (initialize_init_file): Correct endianness test.
24606
24607 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
24608
24609         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
24610         the 'y' constraint.
24611
24612 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
24613
24614         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
24615         saves in a PARALLEL before the register assignments.
24616
24617 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
24618
24619         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
24620         DWARF_FRAME_RETURN_COLUMN to be a general register.
24621         * dwarf2out.c (init_return_column_size): New function, split from...
24622         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
24623         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
24624         to be nongeneral registers.
24625         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
24626         integer registers.
24627         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
24628         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
24629
24630 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
24631
24632         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
24633
24634 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
24635
24636         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
24637         (remove_path): Use can_remove_branch_p and remove_branch instead
24638         of loop_delete_branch_edge.
24639         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
24640         (tree_transform_and_unroll_loop): Remove dead branches immediately.
24641         Update profile using scale_dominated_blocks_in_loop.
24642         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
24643         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
24644         (can_remove_branch_p, remove_branch): Declare.
24645         * tree-cfg.c (tree_can_remove_branch_p): New function.
24646         (tree_cfg_hooks): Add tree_can_remove_branch_p.
24647         * cfgrtl.c (rtl_can_remove_branch_p): New function.
24648         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
24649
24650 2007-02-05  Jan Hubicka  <jh@suse.cz>
24651
24652         PR middle-end/30696
24653         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
24654         nodes in cgraph, don't remove offline copy of the function.
24655
24656 2007-02-04  Jan Hubicka  <jh@suse.cz>
24657
24658         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
24659         vectors might cause maybe_lookup_element_for_expr to be called
24660         on non-sra-candidate.
24661
24662 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
24663
24664         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
24665         config/bfin/bfin.md, config/bfin/predicates.md: Follow
24666         spelling conventions.
24667
24668 2007-02-04  Richard Guenther  <rguenther@suse.de>
24669
24670         PR middle-end/30636
24671         * fold-const.c (try_move_mult_to_index): Make sure to not
24672         overflow one dimension of a multi-dimensional array access.
24673
24674 2007-02-04  Jan Hubicka  <jh@suse.cz>
24675
24676         * passes.c (init_optimization_passes): Reindent.
24677
24678 2007-02-04  Jan Hubicka  <jh@suse.cz>
24679             Eric Botcazou  <ebotcazou@adacore.com>
24680
24681         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
24682         (execute_fixup_cfg): Break out the abnormal goto code.
24683         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
24684         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
24685         (optimize_inline_calls): Call make_nonlocal_label_edges.
24686
24687 2007-02-04  Jan Hubicka  <jh@suse.cz>
24688
24689         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
24690         true when something was changed.
24691         (rename_ssa_copies): When something was changed, do
24692         TODO_remove_unused_locals.
24693         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
24694         add TODO_remove_unused_locals when instruction was removed.
24695
24696 2007-02-04  Jan Hubicka  <jh@suse.cz>
24697
24698         * ipa-inline.c (try_inline): Improve debug output; work on already
24699         inline edges too.
24700         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
24701         call try_inline for already inlined edges too when flattening;
24702         inline also functions that make callee growth but overall unit size
24703         reduce.
24704
24705 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
24706
24707         * config/m32c/bitops.md, config/m32c/jump.md,
24708         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
24709         config/m32r/m32r.h, config/m32r/m32r.md,
24710         config/m32r/predicates.md, config/m68hc11/larith.asm,
24711         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
24712         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
24713         config/mips/mips-protos.h, config/mips/mips.c,
24714         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
24715         config/mn10300/mn10300.h, config/mn10300/predicates.md,
24716         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
24717         spelling conventions.
24718
24719         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
24720         Follow spelling conventions.
24721
24722 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
24723
24724         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
24725         warn about C++0x compatibility.
24726
24727 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
24728
24729         * config/h8300/h8300.c, config/h8300/h8300.h,
24730         config/h8300/h8300.md: Follow spelling conventions.
24731
24732 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
24733
24734         PR middle-end/30667
24735         * combine.c (try_combine): Do not substitute source operand
24736         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
24737
24738 2007-02-03  Jan Hubicka  <jh@suse.cz>
24739
24740         PR gcov-profile/30650
24741         * value-prof.c (stringop_block_profile): Fix handling of size counter;
24742         do not divide by zero for never executed counters.
24743         (tree_find_values_to_profile): Fix counters.
24744         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
24745
24746 2007-02-03  Ian Lance Taylor  <iant@google.com>
24747
24748         * lower-subreg.c (simple_move_operand): New static function,
24749         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
24750         operands.
24751         (simple_move): Call simple_move_operand.
24752         (find_decomposable_subregs): Add special handling of MEMs.
24753         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
24754         meaning of return value.  If we see a hard register, test whether
24755         it can store a word_mode value.  Change all callers.
24756
24757 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
24758
24759         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
24760         ftrapv insns and expanders.
24761         (subdi3): Change define_expand operand 1 to arith11_operand, and
24762         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
24763         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
24764         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
24765         respectively.
24766
24767         PR middle-end/30174
24768         * varasm.c (notice_global_symbol): Treat global objects as weak when
24769         flag_shlib is true.
24770
24771 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
24772
24773         * emit-rtl.c (dconstpi): Delete.
24774         (dconstsqrt2): New.
24775         (init_emit_once): Delete dconstpi and init dconstsqrt2.
24776         * real.h (dconstpi): Delete.
24777         (dconstsqrt2): New.
24778         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
24779         (fold_builtin_hypot): Likewise.
24780
24781 2007-02-03  Tom Tromey  <tromey@redhat.com>
24782
24783         PR driver/30246
24784         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
24785         -gcoff3, -gxcoff3, -gvms3 implies -dD.
24786
24787 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
24788
24789         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
24790         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
24791         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
24792         config/rs6000/cell.md, config/rs6000/darwin.h,
24793         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
24794         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
24795         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
24796         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
24797         typos.  Follow spelling conventions.
24798         * doc/invoke.texi: Follow spelling conventions.
24799
24800 2007-02-03  Roger Sayle  <roger@eyesopen.com>
24801
24802         * simplify-rtx.c (simplify_relational_operation_1): Implement some
24803         canonicalization transformations that attempt to simplify integer
24804         constant comparisons to become comparisons against zero.
24805
24806 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
24807
24808         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
24809         fabs(x)*sqrt(2).
24810         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
24811         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
24812
24813 2007-02-02  Mike Stump  <mrs@apple.com>
24814
24815         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
24816         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
24817         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
24818         generate a branch island.
24819
24820 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
24821
24822         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
24823         (xtensa_legitimate_address_p): New.
24824         (xtensa_legitimize_address): New.
24825         (xtensa_output_addr_const_extra): New.
24826         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
24827         (BASE_REG_P): New.
24828         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
24829         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
24830         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
24831         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
24832         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
24833         (xtensa_legitimize_address): New.
24834         (xtensa_output_addr_const_extra): New.
24835
24836 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
24837
24838         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
24839
24840 2007-02-02  Ian Lance Taylor  <iant@google.com>
24841
24842         * expmed.c (expand_divmod): Add comment.
24843
24844 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
24845
24846         * emit-rtl.c (renumber_insns): Remove.
24847         * flags.h: Remove the extern for flag_renumber_insns.
24848         * rtl.h: Remove the prototype for renumber_insns.
24849         * toplev.c (flag_renumber_insns): Remove.
24850
24851 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
24852
24853         Revert for x86 darwin:
24854         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
24855
24856         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
24857         code before the following patch under TARGET_MACHO.
24858         (ix86_function_value_regno_p): Likewise.
24859
24860 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
24861
24862         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
24863         COMPLEX_EXPR.
24864
24865 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
24866
24867         PR target/29682
24868         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory
24869         loads to general or fp registers.  Add comments.
24870         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
24871
24872 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
24873
24874         * pointer-set.c (insert_aux): Only return insertion slot.
24875         (pointer_set_insert): Adjust.
24876         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
24877         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
24878         pointer_map_traverse): New.
24879         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
24880         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
24881         pointer_map_contains, pointer_map_traverse): Declare.
24882
24883 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
24884
24885         PR middle-end/30473
24886         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
24887         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
24888
24889 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
24890
24891         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
24892
24893         (struct _dep): New type.
24894         (dep_t): New typedef.
24895         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
24896         (DEP_STATUS): New access macro.  The macro with the same name was
24897         renamed to DEP_LINK_STATUS.
24898         (dep_init): Declare function
24899
24900         (struct _dep_link): New type.
24901         (dep_link_t): New typedef.
24902         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
24903         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
24904         (DEP_LINK_STATUS): New macro.
24905         (debug_dep_links): New debug function.
24906
24907         (struct _deps_list): New type.
24908         (deps_list_t): New typedef.
24909         (DEPS_LIST_FIRST): New access macro.
24910         (FOR_EACH_DEP_LINK): New cycle macro.
24911         (create_deps_list, free_deps_list, delete_deps_list): Declare
24912         functions.
24913         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
24914         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
24915         (copy_deps_list_change_con): Ditto.
24916
24917         (move_dep_link): Declare function.
24918
24919         (struct _dep_node): New type.
24920         (dep_node_t): New typedef.
24921         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
24922
24923         (struct haifa_insn_data.back_deps): New field to hold backward
24924         dependencies of the insn.
24925         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
24926         to deps_list_t.
24927         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
24928         Change its type to deps_list_t.
24929         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
24930         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
24931         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
24932
24933         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
24934
24935         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
24936
24937         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration
24938         and all callers.
24939         (dep_cost): Declare.
24940
24941         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
24942         (ds_to_dk, dk_to_ds): New functions.
24943
24944         (init_dep_1): New static function.
24945         (init_dep): New function.
24946         (copy_dep): New static function.
24947
24948         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
24949         functions.
24950         (detach_dep_link): New static function.
24951         (move_dep_link): New function.
24952
24953         (dep_links_consistent_p, dump_dep_links): New static functions.
24954         (debug_dep_links): New debugging function.
24955
24956         (deps_obstack, dl_obstack, dn_obstack): New static variables.
24957
24958         (alloc_deps_list, init_deps_list): New static functions.
24959         (create_deps_list): New function.
24960         (clear_deps_list): New static function.
24961         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
24962         (deps_list_consistent_p, dump_deps_list): New static functions.
24963         (debug_deps_list): New function.
24964         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
24965         functions.
24966         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
24967
24968         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
24969         use new scheduler dependencies lists.
24970         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
24971         (sched_analyze): Ditto.  Initialize dependencies lists.
24972         (add_forw_dep, compute_forward_dependences): Update to use new
24973         scheduler dependencies lists.
24974
24975         (init_dependency_caches): Init deps_obstack.
24976         (free_dependency_caches): Free deps_obstack.
24977
24978         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
24979         new scheduler dependencies lists.
24980         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
24981         (add_back_forw_dep, delete_back_forw_dep): Ditto.
24982
24983         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
24984         Update to use new scheduler dependencies lists.
24985         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
24986         (debug_dependencies): Ditto.
24987         (schedule_region): Update comments.
24988
24989         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
24990         scheduler dependencies lists.
24991         (schedule_ebb): Update comments.
24992
24993         * rtl.def (DEPS_LIST): Remove.
24994
24995         * lists.c (unused_deps_list): Remove.
24996         (free_list): Update assertions.
24997
24998         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
24999         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
25000
25001         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
25002         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
25003
25004         * haifa-sched.c (comments): Update.
25005         (insn_cost1): Remove.  Inline the code into insn_cost ().
25006         (insn_cost): Update to use new scheduler dependencies lists.  Move
25007         processing of the dependency cost to dep_cost ().
25008         (dep_cost): New function.  Use it instead of insn_cost () when
25009         evaluating cost of the dependency.  Use compatible interface to
25010         interact with the target.
25011         (priority): Update to use new scheduler dependencies lists.
25012         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
25013         with greater number of insns that depend on the insn.
25014         (schedule_insn): Update to use new scheduler dependencies lists.  Add
25015         code to free backward dependencies lists.  Inline and optimize code
25016         from resolve_dep () - see PR28071.
25017         (ok_for_early_queue_removal): Update to use new scheduler dependencies
25018         lists.  Update call to targetm.sched.is_costly_dependence hook.
25019
25020         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
25021         scheduler dependencies lists.
25022
25023         (resolve_dep): Remove.  Move the logic to schedule_insn ().
25024         (init_h_i_d): Initialize dependencies lists.
25025
25026         (process_insn_depend_be_in_spec): Rename to
25027         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
25028         dependencies lists.
25029         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
25030         Update to use new scheduler dependencies lists.
25031         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
25032
25033         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
25034         new scheduler dependencies lists.
25035         (build_intra_loop_deps): Ditto.
25036
25037         * target.h (struct _dep): Declare to use in
25038         gcc_target.sched.is_costly_dependence.
25039         (struct gcc_target.sched.adjust_cost): Fix typo.
25040         (struct gcc_target.sched.is_costly_dependence): Change signature to
25041         use single dep_t parameter instead of an equivalent triad.
25042         (struct gcc_target.sched.adjust_cost_2): Remove.
25043
25044         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
25045
25046         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
25047
25048         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
25049         documentation.
25050         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
25051
25052         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
25053         (REG_DEP_TRUE): Document.
25054
25055         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
25056         Change signature to correspond to the targetm.sched.adjust_cost hook.
25057         Update use in TARGET_SCHED_ADJUST_COST_2.
25058         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
25059         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
25060         new scheduler dependencies lists.
25061         (ia64_gen_check): Ditto.
25062
25063         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new
25064         scheduler dependencies lists.
25065
25066         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
25067         signature to correspond to the targetm.sched.is_costly_dependence hook.
25068         (is_costly_group): Update to use new scheduler dependencies lists.
25069
25070         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
25071         instead of INSN_COST () macro.
25072
25073 2007-02-01  Ian Lance Taylor  <iant@google.com>
25074
25075         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
25076
25077 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
25078
25079         * pa.md (tp_load): Correct mfctl instruction syntax.
25080
25081 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
25082
25083         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
25084         altivec_padding_size calculation on AIX.  Improve comment, add
25085         assert to verify that it's right.
25086
25087         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
25088         64-bit.
25089
25090 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
25091
25092         PR inline-asm/28686
25093         * global.c (global_alloc): Add mising initialization of
25094         ELIMINABLE_REGSET.
25095
25096 2007-02-01  Roger Sayle  <roger@eyesopen.com>
25097
25098         * alias.c (init_alias_analysis): Correct whitespace.
25099         * bb-reorder.c (fix_edges_for_rarely_executed_code,
25100         partition_hot_cold_basic_blocks): Likewise.
25101         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
25102         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
25103         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
25104         fold_builtin_snprintf_chk, fold_builtin_printf,
25105         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
25106         do_mpfr_arg3, do_mpfr_sincos): Likewise.
25107         * cfgcleanup.c (cleanup_cfg): Likewise.
25108         * cfgexpand.c (tree_expand_cfg): Likewise.
25109         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
25110         * function.c (get_next_funcdef_no): Likewise.
25111         * gengtype.c (main): Likewise.
25112         * genmodes.c (main): Likewise.
25113         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
25114         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
25115         * ifcvt.c (noce_emit_move_insn): Likewise.
25116         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
25117         Likewise.
25118         * stor-layout.c (get_best_mode): Likewise.
25119         * tree-ssa-loop-niter.c (get_val_for): Likewise.
25120         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
25121         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
25122         perform_var_substitution, solve_graph): Likewise.
25123         * tree-vrp.c (vrp_finalize): Likewise.
25124
25125 2007-02-01  Ian Lance Taylor  <iant@google.com>
25126
25127         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
25128         high part of a paradoxical subreg, return a constant zero.
25129
25130 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
25131
25132         * toplev.c (lang_dependent_init): Call init_set_costs.
25133         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
25134
25135 2007-02-01  Richard Guenther  <rguenther@suse.de>
25136
25137         PR middle-end/30656
25138         * fold-const.c (fold_negate_expr): Allow negating a
25139         constant if overflow does not change.
25140
25141 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
25142
25143         * doc/c-tree.texi (Expression trees): Improve markup.
25144         * doc/tm.texi (Register Classes, Addressing Modes)
25145         (Floating Point): Fix spacing after abbreviations.  Fix some
25146         typos.
25147
25148 2007-02-01  Ben Elliston  <bje@au.ibm.com>
25149
25150         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
25151         * doc/contrib.texi: Likewise.
25152         * doc/install.texi: Likewise.
25153
25154 2007-01-31  Richard Henderson  <rth@redhat.com>
25155             Ian Lance Taylor  <iant@google.com>
25156
25157         * lower-subreg.c: New file.
25158         * rtl.def (CONCATN): Define.
25159         * passes.c (init_optimization_passes): Add pass_lower_subreg and
25160         pass_lower_subreg2.
25161         * emit-rtl.c (update_reg_offset): New static function, broken out
25162         of gen_rtx_REG_offset.
25163         (gen_rtx_REG_offset): Call update_reg_offset.
25164         (gen_reg_rtx_offset): New function.
25165         * regclass.c: Revert patch of 2006-03-05, restoring
25166         reg_scan_update.
25167         (clear_reg_info_regno): New function.
25168         * dwarf2out.c (concatn_loc_descriptor): New static function.
25169         (loc_descriptor): Handle CONCATN.
25170         * common.opt (fsplit_wide_types): New option.
25171         * opts.c (decode_options): Set flag_split_wide_types when
25172         optimizing.
25173         * timevar.def (TV_LOWER_SUBREG): Define.
25174         * rtl.h (gen_reg_rtx_offset): Declare.
25175         (reg_scan_update): Declare.
25176         * regs.h (clear_reg_info_regno): Declare.
25177         * tree-pass.h (pass_lower_subreg): Declare.
25178         (pass_lower_subreg2): Declare.
25179         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
25180         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
25181         -fsplit-wide-types.
25182         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
25183         * Makefile.in (OBJS-common): Add lower-subreg.o.
25184         (lower-subreg.o): New target.
25185
25186 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
25187
25188         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
25189
25190 2007-01-31  Anatoly Sokolov <aesok@post.ru>
25191
25192         PR target/19087
25193         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
25194
25195 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
25196
25197         PR middle-end/29335
25198         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
25199
25200 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
25201
25202         * cfgloop.h: Include vec-prim.h.
25203         (enum li_flags): Remove LI_ONLY_OLD.
25204         (loop_iterator): Changed.
25205         (fel_next, fel_init): Iterate over loop tree.
25206         (FOR_EACH_LOOP_BREAK): New macro.
25207         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
25208         FOR_EACH_LOOP.
25209         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
25210         * modulo-sched.c (sms_schedule): Ditto.
25211         * tree-vectorizer.c (vectorize_loops): Ditto.
25212         * doc/loop.texi: Update information on loop numbering and behavior of
25213         FOR_EACH_LOOP wrto new loops.
25214         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
25215         add_to_evolution_1): Test nestedness of loops instead of comparing
25216         their numbers.
25217         * tree-chrec.c (chrec_fold_plus_poly_poly,
25218         chrec_fold_multiply_poly_poly, chrec_evaluate,
25219         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
25220         reset_evolution_in_loop): Ditto.
25221         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
25222
25223 2007-01-31  Dirk Mueller  <dmueller@suse.de>
25224
25225         * c-common.c (warn_about_parentheses): Separate warning about
25226         un-parenthized sequence of comparison operators from the one
25227         which is supposed to warn about x <= y <= z.
25228
25229 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
25230
25231         * optabs.h (enum optab_index): Add new OTI_isinf.
25232         (isinf_optab): Define corresponding macro.
25233         * optabs.c (init_optabs): Initialize isinf_optab.
25234         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
25235         patterns.
25236         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
25237         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
25238         using isinf_optab.
25239         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
25240         expand_builtin_interclass_mathfn.
25241         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
25242         * config/i386/i386.md (UNSPEC_FXAM): New constant.
25243         (fxam<mode>2_i387): New insn pattern.
25244         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
25245         built-in functions as x87 inline asm.
25246
25247 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
25248
25249         * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
25250
25251 2007-01-30  Eric Christopher  <echristo@apple.com>
25252
25253         * config.gcc: Add geode.
25254
25255 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
25256
25257         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
25258         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
25259         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
25260         value-prof.c: Fix comment typos.
25261
25262 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
25263
25264         PR c++/24745
25265         * doc/invoke.texi (Wpointer-arith): Document warning.
25266
25267 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
25268
25269         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
25270         the list of discrepancies from the draft TR.
25271
25272 2007-01-30  Dirk Mueller  <dmueller@suse.de>
25273
25274         PR c++/30601
25275         * doc/invoke.texi (-Wreturn-type): Update description to
25276         match new behavior.
25277
25278 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
25279
25280         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
25281
25282 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
25283
25284         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
25285         to handle optabs that operate on floating point input argument and
25286         output to integer output.
25287         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
25288         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
25289         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
25290         expand_builtin_interclass_mathfn ().
25291         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
25292         (ilogbsi2): Remove.
25293         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
25294         ilogbl built-in functions as x87 intrinsics.
25295
25296 2007-01-30  Richard Guenther  <rguenther@suse.de>
25297
25298         PR middle-end/27657
25299         * dwarf2out.c (reference_to_unused): Query varpool if the
25300         variable was output.
25301
25302 2007-01-30  Richard Guenther  <rguenther@suse.de>
25303
25304         PR middle-end/30313
25305         * passes.c (execute_one_pass): Reset in_gimple_form to not
25306         confuse non-unit-at-a-time mode.
25307
25308 2007-01-29  Roger Sayle  <roger@eyesopen.com>
25309             Richard Guenther  <rguenther@suse.de>
25310
25311         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
25312         avoid undefined behaviour on overflow.  Use force_fit_type_double
25313         to construct the constant with the specified TREE_OVERFLOW.
25314
25315 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
25316
25317         * config/dfp-bit.c: Add parameterized support for fp exceptions.
25318         * config/dfp-bit.h: Ditto.
25319
25320 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
25321
25322         * c-decl.c (pop_scope): Replace warnings with call to
25323         warn_for_unused_label.
25324         * c-common.h (warn_for_unused_label): Declare.
25325         * c-common.c (warn_for_unused_label): Define.
25326
25327 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
25328
25329         * tree-optimize.c (update_inlined_to_pointers): Delete unused
25330         function.
25331
25332 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
25333
25334         * Makefile.in (USER_H): Remove decfloat.h.
25335         * ginclude/decfloat.h: Delete, moving contents to ...
25336         * ginclude/float.h: Add support for decimal floating point,
25337         guarded by __STDC_WANT_DEC_FP__.
25338
25339 2007-01-29  Mike Stump  <mrs@apple.com>
25340
25341         * doc/gccint.texi (Top): Rename Loop Representation to Loop
25342         Analysis and Representation to resolve case insensitive conflict.
25343         * doc/loop.texi (Loop Analysis and Representation): Likewise.
25344
25345 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
25346
25347         * tree.h (struct tree_memory_tag): Add aliases member.
25348         (MTAG_ALIASES): New macro.
25349         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
25350         (add_may_alias): Remove pointer-set. Update for may_aliases being
25351         a bitmap.
25352         (mark_aliases_call_clobbered): Update for may_aliases being a
25353         bitmap.
25354         (compute_tag_properties): Ditto.
25355         (create_partition_for): Ditto.
25356         (compute_memory_partitions): Ditto.
25357         (dump_may_aliases_for): Ditto.
25358         (is_aliased_with): Ditto.
25359         (add_may_alias_for_new_tag): Ditto.
25360         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
25361         (compute_is_aliased): New function.
25362         (compute_may_aliases): Call compute_is_aliased).
25363         (init_alias_info): Initialize alias_bitmap_obstack.
25364         (union_alias_set_into): New function.
25365         (compute_flow_sensitive_aliasing): Use union_aliases_into.
25366         (have_common_aliases_p): Rewrite to take two bitmaps and use
25367         intersection.
25368         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
25369         Update for bitmaps.
25370         (finalize_ref_all_pointers): Update for add_may_alias changes.
25371         (new_type_alias): Ditto.
25372         * tree-flow-inline.h (may_aliases): Return a bitmap.
25373         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
25374         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
25375         may_aliases being a bitmap.
25376         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
25377         may_aliases now returns a bitmap.
25378         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
25379         being a bitmap.
25380         * tree-ssa-operands.c (add_virtual_operand): Update for
25381         may_aliases being a bitmap.
25382
25383 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
25384
25385         PR tree-optimization/30630
25386         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
25387         variable as changed.
25388
25389 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
25390
25391         PR c++/28266
25392         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
25393         expanded only once even if an error occurs.
25394
25395 2007-01-29  Ben Elliston  <bje@au.ibm.com>
25396
25397         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
25398         (__gcov_average_profiler): Likewise.
25399         (__gcov_ior_profiler): Likewise.
25400         (__gcov_merge_ior): Likewise.
25401
25402 2007-01-28  Jan Hubicka  <jh@suse.cz>
25403
25404         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
25405         * value-prof.c (stringop_block_profile): Likewise.
25406
25407 2007-01-28  Jan Hubicka  <jh@suse.cz>
25408
25409         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall):
25410         Add variant handling histograms; add wrapper.
25411         (clear_storage_via_libcall): Export.
25412         (emit_block_move_hints): Break out from ...; add histograms.
25413         (emit_block_move): ... this one.
25414         (clear_storage_hints): Break out from ...; add histograms.
25415         (clear_storage): ... this one.
25416         (set_storage_via_memset): Handle histogram.
25417         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
25418         (clear_storage_hints, clear_storage_via_libcall): Declare.
25419         (set_storage_via_setmem): Update prototype.
25420         * doc/md.texi (movmem, setmem): Document new arguments.
25421
25422         * value-prof.c (dump_histogram_value, tree_find_values_to_profile):
25423         Add new histograms.
25424         (stringop_block_profile): New global function.
25425         (tree_stringops_values_to_profile): Profile block size and alignment.
25426         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
25427         HIST_TYPE_IOR.
25428         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
25429         (stringop_block_profile): Declare.
25430         * builtins.c: Include value-prof.h.
25431         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
25432         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
25433         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
25434         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
25435         * profile.c (instrument_values): Add new counters.
25436         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
25437         calls.
25438         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
25439         (tree_init_edge_profiler): Build new profilers.
25440         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
25441         (pass_tree_profile): Add dump.
25442         (tree_profile_hooks): Update.
25443         * Makefile.in (LIBGCOV): Add new constants.
25444         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
25445         __gcov_ior_profiler): New.
25446         * i386.md (movmem/setmem expanders): Add new optional arguments.
25447
25448 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
25449
25450         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
25451
25452 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
25453
25454         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
25455         (tree_unswitch_single_loop): Pass eni_size_weights to
25456         tree_num_loop_insns.
25457         * tree-ssa-loop-manip.c: Include tree-inline.h.
25458         (can_unroll_loop_p): Pass eni_size_weights to
25459         tree_num_loop_insns.
25460         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
25461         Pass eni_size_weights to estimate_num_insns.
25462         * tree.h (init_inline_once): Export.
25463         * toplev.c (backend_init): Call init_inline_once.
25464         * cgraphunit.c (cgraph_process_new_functions,
25465         cgraph_analyze_function): Pass eni_inlining_weights to
25466         estimate_num_insns.
25467         * ipa-inline.c (compute_inline_parameters): Ditto.
25468         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
25469         to estimate_num_insns.
25470         (try_unroll_loop_completely): Pass eni_size_weights to
25471         tree_num_loop_insns.
25472         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
25473         ot estimate_num_insns.
25474         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
25475         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
25476         * tree-inline.c (eni_inlining_weights, eni_size_weights,
25477         eni_time_weights): New variables.
25478         (init_inline_once): Initialize them.
25479         (struct eni_data): Mew.
25480         (estimate_num_insns_1, estimate_num_insns): Use weights.
25481         * tree-inline.h (struct eni_weights_d): New.
25482         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
25483         (estimate_num_insns): Declaration changed.
25484         * cfgloop.h (tree_num_loop_insns): Declaration changed.
25485         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
25486         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
25487
25488 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
25489
25490         * tree-data-ref.c (conflict_fn): Assert that the number of affine
25491         relations in the conflict function is valid.
25492
25493 2007-01-27  Ian Lance Taylor  <iant@google.com>
25494
25495         * common.opt: Add fstrict-overflow.
25496         * opts.c (decode_options): Set flag_strict_overflow if -O2.
25497         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
25498         (TYPE_OVERFLOW_UNDEFINED): Define.
25499         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
25500         Replace all uses.
25501         * tree.h (TYPE_TRAP_SIGNED): Don't define.
25502         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
25503         (fold_negate_expr): Likewise.
25504         (make_range): Likewise.
25505         (extract_muldiv_1): Likewise.
25506         (maybe_canonicalize_comparison): Likewise.
25507         (fold_comparison): Likewise.
25508         (fold_binary): Likewise.
25509         (tree_expr_nonnegative_p): Likewise.
25510         (tree_expr_nonzero_p): Likewise.
25511         * tree-vrp.c (compare_values): Likewise.
25512         (extract_range_from_binary_expr): Likewise.
25513         (extract_range_from_unary_expr): Likewise.
25514         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
25515         Likewise.
25516         (nowrap_type_p): Likewise.
25517         * tree-scalar-evolution.c (simple_iv): Likewise.
25518         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
25519         (build_range_check): Likewise.
25520         (extract_muldiv_1): Likewise.
25521         (fold_comparison): Likewise.
25522         * tree-vrp.c (vrp_int_const_binop): Likewise.
25523         (extract_range_from_unary_expr): Likewise.
25524         * convert.c (convert_to_integer): Likewise.
25525         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
25526         (fold_comparison): Likewise.
25527         (fold_binary): Likewise.
25528         * optabs.c (optab_for_tree_code): Likewise.
25529         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
25530         * simplify-rtx.c (simplify_const_relational_operation): Check
25531         flag_strict_overflow and flag_trapv.
25532         (simplify_const_relational_operation): Likewise.
25533         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
25534         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
25535         -fstrict-overflow.
25536
25537 2007-01-27  Roger Sayle  <roger@eyesopen.com>
25538
25539         * tree.c (tree_fold_gcd): Delete.
25540         * tree.h (tree_fold_gcd): Remove prototype.
25541         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
25542         test whether one constant integer is a multiple of another.  Instead
25543         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
25544         * fold-const.c (multiple_of_p): We've determined both TOP and
25545         BOTTOM are integer constants so we can call int_const_binop directly
25546         instead of the more generic const_binop.
25547
25548 2007-01-27  Roger Sayle  <roger@eyesopen.com>
25549
25550         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
25551         1*X check that the constant hasn't overflowed, to preserve the
25552         TREE_OVERFLOW bit.
25553         (round_up): Provide an efficient implementation when rouding-up an
25554         INTEGER_CST to a power-of-two.
25555
25556 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
25557
25558         * doc/sourcebuild.texi: Add comma for clarity.
25559         * doc/extend.texi: Fix some typos.
25560         * doc/passes.texi: Likewise.
25561         * doc/cppinternals.texi: Likewise.
25562         * doc/c-tree.texi: Likewise.
25563         * doc/tree-ssa.texi: Likewise.
25564         * doc/install.texi: Likewise.
25565
25566 2007-01-27  Jan Hubicka  <jh@suse.cz>
25567
25568         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
25569         (pass_sra): Do not require alias information.
25570         * passes.c (init_optimization_passes): Add SRA
25571
25572 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
25573
25574         * tracer.c (rest_of_handle_tracer): We already cleaned
25575         up the CFG in tracer() so don't do it here again.
25576         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
25577         cleanup_cfg here, either.  And don't call renumber_insns.
25578
25579         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
25580         and BB_HEAD are in the insn stream here.  Instead make sure
25581         that BB_INSN is valid on all insns.  Also, do check here that
25582         there are no pending branch predictions...
25583         (rtl_verify_flow_info): ...instead of doing it here.  Checks
25584         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
25585         here.
25586
25587 2007-01-26  Roger Sayle  <roger@eyesopen.com>
25588
25589         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
25590         function to simplify/factorize operand order canonicalization.
25591         (ix86_fixup_binary_operands): Reorganize using the above function.
25592         (ix86_binary_operator_ok): Likewise.
25593
25594 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
25595
25596         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
25597         file scope from optimize_attrs.
25598         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
25599         up search.
25600         (optimize_attrs): Clear insn_code_values after freeing it.
25601
25602 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
25603
25604         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
25605         a parts.base assignment.
25606
25607 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
25608
25609         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
25610         (compute_subscript_distance, initialize_data_dependence_relation,
25611         finalize_ddr_dependent, analyze_ziv_subscript,
25612         analyze_siv_subscript_cst_affine,
25613         compute_overlap_steps_for_affine_univar,
25614         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
25615         analyze_siv_subscript, analyze_miv_subscript,
25616         analyze_overlapping_iterations, subscript_dependence_tester_1,
25617         compute_self_dependence, free_dependence_relation): Work
25618         with affine_fn instead of chrecs.
25619         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
25620         common_affine_function, affine_function_base,
25621         affine_function_constant_p, affine_fn_op, affine_fn_plus,
25622         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
25623         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
25624         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
25625         (all_chrecs_equal_p): Removed.
25626         * tree-data-ref.h (affine_fn, conflict_function): New types.
25627         (struct subscript): Change type of conflicting_iterations_in_a
25628         and conflicting_iterations_in_b.
25629
25630 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
25631
25632         PR other/30182
25633         * config/pa/pa.h (TARGET_HPUX_11): New.
25634         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
25635         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
25636
25637 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
25638         Richard Guenther  <rguenther@suse.de>
25639
25640         * tree-ssa-structalias.c (solve_graph): Handle case
25641         we merged the variable to another.
25642
25643 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
25644
25645         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
25646         functions.
25647
25648         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
25649         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
25650
25651 2007-01-25  DJ Delorie  <dj@redhat.com>
25652
25653         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
25654         allow changes to modes which don't fit in those registers.
25655
25656         * reload1.c (choose_reload_regs): Check for invalid subregs before
25657         computing their locations, not after.
25658
25659 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
25660
25661         PR 25127
25662         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
25663         save Altivec registers in an eh_return function.
25664         (compute_vrsave_mask): Likewise.
25665         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
25666         for saving Altivec registers.
25667         (rs6000_emit_prologue): Don't allocate stack twice in
25668         eh_return function.  Correct expected value of altivec_save_offset
25669         when using save_world.  Describe save of R0 to stack when using
25670         save_world.  Describe stack pointer adjustment when using
25671         save_world.  Remove duplicated eh_return parameter register saving.
25672         Update sp_offset variable after save_world.
25673         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
25674         darwin-world.asm.
25675         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
25676         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
25677         implies Altivec.
25678
25679 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
25680
25681         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
25682
25683 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
25684
25685         PR other/30182
25686         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
25687         * config/ia64/ia64.c (ia64_init_builtins): Ditto.
25688
25689 2007-01-25  Richard Guenther  <rguenther@suse.de>
25690
25691         * doc/invoke.texi (-Wcoverage-mismatch): Document.
25692         * common.opt (-Wcoverage-mismatch): New warning option.
25693         * coverage.c (get_coverage_counts): Ignore coverage mismatch
25694         if -Wcoverage-mismatch is given.
25695
25696 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
25697
25698         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
25699         (ipcp_driver): Change to static definition.
25700         Add dumping of the ifunctions.
25701         (constant_val_insert): Remove unused parameter. Support for SSA.
25702         (ipcp_propagate_const): Support for SSA.
25703         (ipcp_profile_bb_print): Print only analyzed nodes.
25704         (ipcp_replace_map_create): Remove support for Fortran constant
25705         for now.
25706         * ipa-prop.c (ipa_method_modify_stmt,
25707         ipa_callsite_compute_param): Support for SSA.
25708         * ipa-prop.h (ipcp_driver): Remove declaration.
25709         (IS_VALID_TREE_MAP_INDEX): Add define.
25710
25711 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
25712
25713         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
25714
25715 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
25716
25717         PR middle-end/30447
25718         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
25719         constant argument to cabs and do it without checking for
25720         -funsafe-math-optimizations.
25721
25722 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
25723
25724         * c-common.h (RID_FIRST_CXX0X): New.
25725         (RID_LAST_CXX0X): New.
25726         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
25727         by -Wall.
25728         * c.opt (Wc++0x-compat): New.
25729         * doc/invoke.texi (-Wc++0x-compat): Document.
25730
25731 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
25732
25733         * builtins.c (fold_builtin_carg): New.
25734         (fold_builtin_1): Use it.
25735
25736 2007-01-24  Jan Hubicka  <jh@suse.cz>
25737
25738         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
25739
25740         * ipa-inline.c (initial_insns, max_insns): Delete.
25741         (compute_max_insns): New function.
25742         (cgraph_decide_inlining_of_small_function): Use it; take minimal
25743         amount of insns as base for code growth.
25744         (cgraph_decide_inlining): Make initial_insns local; do not compute
25745         max_insns.
25746         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
25747         * doc/invoke.texi (inline-unit-growth): Update docs.
25748
25749 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
25750
25751         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
25752         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
25753         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
25754         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
25755         for CPUs that have PTA_CX16 set.
25756
25757         PR middle-end/27416
25758         * gimplify.c (omp_check_private): New function.
25759         (gimplify_scan_omp_clauses): Use it for
25760         firstprivate/lastprivate/reduction.
25761
25762         PR middle-end/30494
25763         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
25764         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
25765
25766         PR middle-end/30421
25767         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
25768         If lower_lastprivate_clauses emits some statements, append them
25769         to dlist rather than body_p and to body_p append an initializer.
25770         (lower_omp_for): Adjust caller.
25771
25772 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
25773
25774         * target.h (globalize_decl_name): New.
25775         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
25776         * output.h (default_globalize_decl_name): New.
25777         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
25778         globalize_label.
25779         (globalize_decl): Ditto.
25780         (default_globalize_decl_name): New.
25781         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
25782         (ia64_handle_version_id_attribute): New.
25783         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
25784         (ia64_asm_output_external): Use globalize_decl_name instead
25785         of globalize_label.
25786         * doc/extend.texi (version_id): New pragma.
25787         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
25788
25789 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
25790
25791         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
25792         _uleb128_t and _Unwind_SWord with _sleb128_t.
25793         * unwind-dw2.c (extract_cie_info, execute_stack_op,
25794         execute_cfa_program, uw_frame_state_for, uw_update_context_1):
25795         Likewise.
25796         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
25797         * unwind-pe.h (read_uleb128, read_sleb128,
25798         read_encoded_value_with_base): Likewise.
25799         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
25800
25801 2007-01-24  Richard Guenther  <rguenther@suse.de>
25802
25803         * builtins.c (expand_builtin_cexpi): Get the fndecl
25804         for cexp in the correct way.
25805
25806 2007-01-24  Jan Hubicka  <jh@suse.cz>
25807
25808         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS
25809         of calls.
25810
25811 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
25812
25813         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
25814         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
25815         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
25816         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
25817         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
25818         __SIZEOF_PTRDIFF_T__.
25819         * doc/cpp.texi: Documentation for the new builtin macros added.
25820
25821 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
25822
25823         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
25824         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
25825         instead of operands[2] to avoid access past the end of array.
25826
25827 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
25828
25829         * reload1.c (emit_reload_insns): Pass the reload register
25830         for a non-spill output reload through forget_old_reloads_1.
25831
25832 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
25833
25834         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
25835         _SOFT_DOUBLE if doubles use software floating-point.
25836         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
25837         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
25838         * config/rs6000/darwin-ldouble.c: Also compile functions for
25839         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
25840         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
25841         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
25842         commented-out long double override.
25843         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
25844         * config/rs6000/eabispe.h: Likewise.
25845         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
25846         long double for non-SPE.
25847         (rs6000_handle_option): Likewise.
25848         (invalid_e500_subreg): Disallow more subregs involding DImode,
25849         DFmode, TImode or TFmode.
25850         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
25851         E500 double.
25852         (legitimate_lo_sum_address_p): Also check for TFmode for E500
25853         double.
25854         (rs6000_legitimize_address): Also handle TFmode for E500 double.
25855         (rs6000_legitimize_reload_address): Also handle TFmode for E500
25856         double.
25857         (rs6000_legitimate_address): Also check for TFmode for E500
25858         double.
25859         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
25860         (spe_build_register_parallel): Handle TFmode and TCmode.
25861         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
25862         double.
25863         (function_arg): Handle TFmode and TCmode for E500 double.
25864         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
25865         in general.
25866         (print_operand): Handle TFmode and TImode for %y.
25867         (rs6000_generate_compare): Handle TFmode comparisons for E500
25868         double.
25869         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
25870         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
25871         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
25872         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
25873         TFmode for E500 double.
25874         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
25875         (floatsidf2): Enable for E500 double.
25876         (movtf_softfloat): Use rs6000_nonimmediate_operand.
25877         (extenddftf2): Change to extenddftf2_fprs.
25878         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
25879         depending on TARGET_E500_DOUBLE.
25880         (extendsftf2): Enable for E500 double.
25881         (trunctfdf2): Enable for E500 double.
25882         (trunctfsf2): Change to trunctfsf2_fprs.
25883         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
25884         depending on TARGET_E500_DOUBLE.
25885         (floatsitf2): Enable for E500 double.
25886         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
25887         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
25888         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
25889         (negtf2): Change to negtf2_internal.
25890         (negtf2): New expander.
25891         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
25892         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
25893         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
25894         (movdi_internal32): Use rs6000_nonimmediate_operand.
25895         (unnamed splitter): Likewise.
25896         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
25897         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
25898         (SPE64TF, DITI): New mode macros.
25899         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
25900         modes.
25901         (frob_tf_ti): New.
25902         (frob_<mode>_di_2): New.
25903         (frob_tf_di_8_2): New.
25904         (frob_di_df): Change to frob_di_<mode>; allow more modes.
25905         (frob_ti_tf): New.
25906         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
25907         more modes.
25908         (frob_ti_<mode>_8_2): New.
25909         (frob_ti_tf_2): New.
25910         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
25911         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
25912         TFmode.
25913         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
25914         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
25915         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
25916         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
25917         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
25918         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
25919         tsttflt_gp): New.
25920
25921 2007-01-23  Ian Lance Taylor  <iant@google.com>
25922
25923         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
25924         insn-*.o first.
25925         (OBJS-archive): Reformat, alphabetize.
25926         (OBJS): Change out_object_file to OBJS-md.
25927
25928 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
25929
25930         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
25931         JUMP_P and CALL_P predicates where applicable.
25932         * config/i386/i386.c: Ditto.
25933         * config/i386/i386.md: Ditto.
25934         * config/i386/mmx.md: Ditto.
25935         * config/i386/predicates.md: Ditto.
25936
25937 2007-01-22  Andreas Schwab  <schwab@suse.de>
25938
25939         * config/m68k/m68k.h: Fix comment.
25940
25941 2007-01-22  Jan Hubicka  <jh@suse.cz>
25942
25943         * passes.c (init_optimization_passes): Do not rerun
25944         pass_early_warn_uninitialized.
25945
25946 2007-01-22  Richard Guenther  <rguenther@suse.de>
25947
25948         PR tree-optimization/30038
25949         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
25950         function.
25951         (execute_cse_sincos_1): Likewise.
25952         (execute_cse_sincos): Likewise.
25953         (gate_cse_sincos): Likewise.
25954         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
25955         the cexpi() canonicalization of sincos().
25956         * tree-pass.h (pass_cse_sincos): Declare.
25957         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
25958
25959 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
25960
25961         PR rtl-optimization/29329
25962         * combine.c (replaced_rhs_insn): Rename to i2mod.
25963         (replaced_rhs_value): Rename to i2mod_new_rhs.
25964         (i2mod_old_rhs): New global variable.
25965         (combine_instructions): Adjust for above change.  Save a copy of
25966         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
25967         note are substituted in the second instruction.
25968         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
25969         ditch the note if it pertains to the second eliminated register
25970         and this register is mentioned in i2mod_old_rhs.
25971
25972         Revert:
25973         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
25974
25975         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
25976         the insn to which the note was originally attached.
25977
25978 2007-01-21  Jan Hubicka  <jh@suse.cz>
25979
25980         * ipa-inline.c (inlining_mode): Comment, move up.
25981         (cgraph_decide_inlining_incrementally): Do not perform inlining
25982         itself; fix handling of flattening of self recursive functions.
25983         (cgraph_find_cycles): Remove.
25984         (cgraph_flatten_node): Remove.
25985         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
25986         (try_inline): New function.
25987         (cgraph_early_inlining): Update call of
25988         cgraph_decide_inlining_incrementally.  Apply inlining here.
25989         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
25990
25991 2007-01-21  Dirk Mueller  <dmueller@suse.de>
25992
25993         PR bootstrap/30511
25994         * tree-vrp.c (check_array_bounds): do not warn
25995         about ADDR_EXPR's of ARRAY_REF's which are immediately
25996         used in binary expressions.
25997
25998 2007-01-21  Ira Rosen  <irar@il.ibm.com>
25999
26000         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
26001         read_write_dep and macros for its access.
26002         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
26003         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
26004         argument, call vect_check_interleaving for every independent pair of
26005         data-refs. Mark loads that access the same memory location as a store
26006         in the loop.
26007         (vect_check_dependences): Remove.
26008         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
26009         call, fix the call to vect_analyze_data_ref_dependence.
26010         (vect_analyze_data_ref_access): For statements that access the same
26011         data-ref, check that they are not stores; for loads, check that there
26012         is no store that access the same location.
26013
26014 2007-01-20  Roger Sayle  <roger@eyesopen.com>
26015             Joseph Myers  <joseph@codesourcery.com>
26016
26017         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
26018         (-fdump-rtl-stack): Likewise.
26019         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
26020         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
26021         (-mpt-fixed): Use @minus{} for minus sign.
26022         (Using Precompiled Headers): Fix under/overfull hbox.
26023
26024 2007-01-20  Jan Hubicka  <jh@suse.cz>
26025
26026         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
26027         place within annotation.
26028
26029 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
26030
26031         * pa.c (output_move_double): Change array size of xoperands to 4.
26032
26033 2007-01-20  Jan Hubicka  <jh@suse.cz>
26034
26035         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
26036         as temporary.
26037
26038 2007-01-19  Ian Lance Taylor  <iant@google.com>
26039
26040         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
26041         constant to unsigned HOST_WIDE_INT before negating.
26042
26043 2007-01-19  Ian Lance Taylor  <iant@google.com>
26044
26045         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
26046         to unsigned.
26047         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
26048         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
26049         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
26050         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
26051         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
26052         (realloc_vdef, realloc_vuse): Change second parameter to
26053         unsigned.
26054         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
26055         fields to unsigned.
26056         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
26057         unsigned. Change x and lim locals to unsigned.
26058         (realloc_vdef, realloc_vuse): Change num_elem parameter to
26059         unsigned.
26060         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
26061         (copy_virtual_operands): Change i and n locals to unsigned.
26062
26063 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
26064
26065         PR middle-end/29335
26066         * builtins.c (fold_builtin_1): Handle builtin fdim.
26067
26068 2007-01-20  Jan Hubicka  <jh@suse.cz>
26069
26070         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
26071         * tree-ssa-structalias.c (compute_points_to_sets): Do call
26072         init_alias_heapvars.
26073         (init_alias_heapvars): Initialize only when not already initialized.
26074         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
26075
26076 2007-01-19  Roger Sayle  <roger@eyesopen.com>
26077
26078         * common.opt (fsigned-zeros): New command line option.
26079         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
26080         of flag_unsafe_math_optimizations.
26081         * opts.c (set_fast_math_flags): The -ffast-math command line option
26082         implies -fno-signed-zeros.
26083         (fast_math_flags_set_p): Likewise.
26084
26085         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
26086         the documentation of -ffast-math appropriately.  Wrap long lines.
26087
26088 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
26089
26090         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
26091         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
26092
26093 2007-01-19  Tomas Bily  <tbily@suse.cz>
26094
26095         * cgraphunit.c (cgraph_finalize_function): Updating of pid
26096         * tree-profile.c:
26097         (tree_init_ic_make_global_vars): New function
26098         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
26099         (tree_gen_ic_profiler): New function
26100         (tree_gen_ic_func_profiler): New function
26101         (tree_profiling): Added calling of tree_gen_ic_func_profiler
26102         (tree_profile_hooks): Added hook for indirec/virtual calls
26103         * value-prof.c (tree_find_values_to_profile): New case for
26104         indirect calls
26105         (tree_values_to_profile): Call for determining indirect/virtual
26106         counters
26107         (tree_indirect_call_to_profile): New function
26108         (tree_ic_transform): New function
26109         (tree_ic): New function
26110         (find_func_by_pid): New function
26111         (init_pid_map): New function
26112         (tree_value_profile_transformations): Added check for
26113         indirect/virtual call transformation
26114         * value-prof.h (enum hist_type): New counter type for
26115         indirect/virtual calls
26116         (profile_hooks): Added new hook for profiling indirect/virtual
26117         calls
26118         * profile.c (instrument_values): New case for indirect/virtual
26119         call added
26120         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
26121         (GCOV_COUNTER_V_INDIR): New counter type
26122         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
26123         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
26124         call added
26125         * cgraph.c: Definition of cgraph_max_pid
26126         (cgraph_create_node): Default init of pid attribute
26127         * cgraph.h: Declaration of cgraph_max_pid
26128         (struct cgraph_node): Added pid attribute
26129         * libgcov.c (__gcov_indirect_call_profiler): New function
26130         (__gcov_one_value_profiler_body): New function
26131         (__gcov_one_value_profiler): Body was moved to
26132         __gcov_one_value_profiler_body and calls it
26133
26134 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
26135
26136         * doc/gty.texi (Options): Document the mark_hook option to GTY.
26137         * gengtype.c (write_types_data, write_func_for_structure,
26138         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
26139         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
26140         (walk_type, write_func_for_structure): Generate the mark_hook if
26141         needed.
26142
26143 2007-01-19  Jan Hubicka  <jh@suse.cz>
26144
26145         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
26146         'early' argument take inlining mode argument specifying whether to
26147         inline for size/speeed or all functions; add support for flattening;
26148         improve dumpting.
26149         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
26150
26151 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
26152
26153         PR c++/17947
26154         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
26155         the name of the declared identifier.
26156
26157 2007-01-19  Dirk Mueller  <dmueller@suse.de>
26158
26159         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
26160         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
26161         duplicate evaluation.
26162
26163 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
26164
26165         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
26166         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
26167         to XFMode, use acosxf2 and truncate result to requested mode.
26168         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
26169         (asin<mode>2): Similarly, with asin expanders.
26170         (*fscalexf4_i387): Rename from *fscalexf4.
26171         (expNcorexf3): New expander.
26172         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
26173         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
26174         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
26175         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
26176         patterns for SSE math.
26177         (exp10<mode>2): Similarly, with exp10 expanders.
26178         (exp2<mode>2): Similarly, with exp2 expanders.
26179         (expm1<mode>2): Similarly, with expm1 expanders.
26180         (ldexp<mode>3): Similarly, with ldexp expanders.
26181         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
26182         Use gen_truncxf<mode>2_i387_noop to truncate result.
26183
26184 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
26185
26186         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
26187         for ColdFire targets.
26188
26189 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
26190             Richard Sandiford  <richard@codesourcery.com>
26191
26192         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
26193         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
26194         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
26195         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
26196         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
26197         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
26198
26199 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
26200
26201         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
26202         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
26203         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
26204         (*adddi_dilshr32_cf): New pattern.
26205         (adddi3, subdi3): Remove first alternatives.
26206
26207 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
26208
26209         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
26210         implemented using move.l, do not use its cc result for floating-point
26211         comparisons.
26212
26213 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
26214
26215         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
26216         from accepting 's' constraints if flag_pic.
26217
26218 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
26219
26220         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
26221         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
26222         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
26223         condition from TARGET_68881 to TARGET_HARD_FLOAT.
26224
26225 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
26226
26227         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
26228         ColdFire alternatives.
26229         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
26230         * config/m68k/m68k.md (clzsi2): Define for ColdFire
26231         architectures that support ff1 instruction.
26232
26233 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
26234             Julian Brown  <julian@codesourcery.com>
26235
26236         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
26237         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
26238         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
26239         Add commentary.
26240
26241 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
26242
26243         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
26244         and return a bool.
26245         (output_move_const_into_data_reg, output_move_simode_const): Delete.
26246         * config/m68k/m68k.c (const_method, const_int_cost): Take a
26247         HOST_WIDE_INT instead of an rtx.
26248         (m68k_rtx_costs): Update call accordingly.
26249         (output_move_const_into_data_reg): Likewise.  Fix formatting.
26250         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
26251         Return a bool.
26252         (output_move_simode_const): Update calls after above changes.
26253         Rework to use automatic variables and predicates like MEM_P.
26254         * config/m68k/m68k.md (pushexthisi_const): Update call to
26255         valid_mov3q_const.
26256
26257 2007-01-19  Dirk Mueller  <dmueller@suse.de>
26258
26259         * tree-ssa-alias.c (perform_var_substitution): Fix typo
26260         in dump_flags test.
26261
26262 2007-01-19  Richard Guenther  <rguenther@suse.de>
26263
26264         * builtins.c (expand_builtin_cexpi): Fall back to expanding
26265         via cexp in case sincos is not available.
26266
26267 2007-01-19  Richard Guenther  <rguenther@suse.de>
26268
26269         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
26270         * defaults.h (TARGET_HAS_SINCOS): Default to off.
26271         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
26272         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
26273         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
26274         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
26275         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
26276         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
26277
26278 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
26279
26280         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
26281         New insn patterns.
26282         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
26283         (atan2xf3): Directly generate RTL pattern.
26284         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
26285         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
26286         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
26287         disable patterns for SSE math.
26288         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
26289         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
26290         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
26291         disable patterns for SSE math.
26292
26293 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
26294
26295         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
26296
26297 2007-01-18  Roger Sayle  <roger@eyesopen.com>
26298
26299         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
26300         VIEW_CONVERT_EXPR to the same type as it's operand.
26301
26302 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
26303
26304         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
26305         configured for long double 128.
26306
26307 2007-01-18  Mike Stump  <mrs@apple.com>
26308
26309         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
26310         error.
26311
26312 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
26313
26314         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
26315         type correct.
26316
26317 2007-01-18  Jan Hubicka  <jh@suse.cz>
26318
26319         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
26320         greater than NUM_VOP_FREE_BUCKETS.
26321
26322 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
26323
26324         * tree-ssa-structalias.c: Update comments.
26325         (ptabitmap_obstack): Removed.
26326         (pta_obstack): New.
26327         (oldpta_obstack): Ditto.
26328         (stats): Add a few members.
26329         (struct variable_info): Remove node, complex, address_taken, and
26330         indirect_target members. Add oldsolution member.
26331         (new_var_info): Do not initialize removed members.
26332         (constraint_expr_type): Remove INCLUDES.
26333         (constraint_graph): Add size, implicit_preds, rep,
26334         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
26335         (FIRST_REF_NODE): New macro.
26336         (LAST_REF_NODE): Ditto.
26337         (FIRST_ADDR_NODE): Ditto.
26338         (find): New function.
26339         (unite): Ditto.
26340         (dump_constraint): Do not handle INCLUDES.
26341         (insert_into_complex): Do not insert duplicate constraints.
26342         (condense_varmap_nodes): Renamed and rewritten into ...
26343         (merge_node_constraints): This. Also fix bug in handling of
26344         offseted copy constraints.
26345         (clear_edges_for_node): No longer need to deal with preds at all,
26346         or removing associated preds/succs.
26347         (merge_graph_nodes): Deal with indirect_cycles.
26348         Don't deal with predecessors.
26349         (add_implicit_graph_edge): New function.
26350         (add_pred_graph_edge): Ditto.
26351         (add_graph_edge): Don't deal with predecessors.
26352         (build_constraint_graph): Removed.
26353         (build_pred_graph): New function.
26354         (build_succ_graph): Ditto.
26355         (struct scc_info): Removed in_component. Added roots, dfs, and
26356         node_mapping. Remove visited_index, unification_queue.
26357         (scc_visit): Deal with union-find we do now.
26358         Deal with cycles with REF nodes.
26359         (collapse_nodes): Renamed and rewritten to ...
26360         (unify_nodes): This.
26361         (process_unification_queue): Removed.
26362         (topo_visit): Cleanup
26363         (do_da_constraint): Use find.
26364         (do_sd_constraint): Ditto.
26365         (do_ds_constraint): Ditto.
26366         (do_complex_constraint): Ditto.
26367         (init_scc_info): Update for removed and added members.
26368         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
26369         (find_indirect_cycles): This.
26370         (equivalence_class): New variable.
26371         (label_visit): New function.
26372         (perform_variable_substitution): Rewritten.
26373         (free_var_substitution_info): New function.
26374         (find_equivalent_node): Ditto.
26375         (move_complex_constraints): Ditto.
26376         (eliminate_indirect_cycles): Ditto.
26377         (solve_graph): Only propagate changed bits.
26378         Use indirect cycle elimination.
26379         Use find.
26380         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
26381         (tree_id_eq): Renamed to ...
26382         (tree_vi_eq): This. Update for member change
26383         (insert_id_for_tree): Renamed and rewritten to ...
26384         (insert_vi_for_tree): This.
26385         (lookup_id_for_tree): Renamed and rewritten to ...
26386         (lookup_vi_for_tree): This.
26387         (get_id_for_tree): Renamed and rewritten to ...
26388         (get_vi_for_tree): Ditto.
26389         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
26390         (process_constraint): Don't handle INCLUDES.
26391         Remove special ADDRESSOF case.
26392         (find_func_aliases): Rewrite to use vi functions instead of id
26393         ones.
26394         (create_function_info_for): Ditto.
26395         (create_variable_info_for): Ditto.
26396         (intra_create_variable_infos): Ditto.
26397         (merge_smts_into): Ditto.
26398         (find_what_p_points_to): Ditto.
26399         (init_base_vars): Ditto.
26400         (init_alias_vars): Ditto.
26401         (remove_preds_and_fake_succs): New function.
26402         (dump_sa_points_to_info): Dump new stats.
26403         (dump_solution_for_var): Use find.
26404         (set_used_smts): Fix formatting.
26405         (compute_points_to_sets): Updated for new functions.
26406         (ipa_pta_execute): Ditto.
26407
26408 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
26409             Richard Sandiford  <richard@codesourcery.com>
26410
26411         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
26412         parallels.
26413         * calls.c (expand_call): If the return value is a PARALLEL,
26414         extract its first member.
26415         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
26416         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
26417         use FUNCTION_EXTRA_EPILOGUE.
26418         (m68k_function_value): Return a PARALLEL if the return value
26419         is of a pointer type.
26420         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
26421         (FUNCTION_EXTRA_EPILOGUE): Remove.
26422         * config/m68k/m68k.md (D0_REG): New constant.
26423
26424 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
26425
26426         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
26427         output a NOP for empty epilogues.
26428
26429 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26430
26431         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
26432         before function.  Extend register save check to include all
26433         registers, not just integer ones.
26434
26435 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
26436
26437         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
26438         (m68k_use_return_insn): ...this.
26439         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
26440         * config/m68k/m68k.c (use_return_insn): Rename to...
26441         (m68k_use_return_insn): ...this.
26442         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
26443         of USE_RETURN_INSN.
26444
26445 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
26446
26447         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
26448         nearest even, fix denormal rounding overflow.
26449
26450 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26451
26452         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
26453         f%$smove and f%$move.
26454         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
26455         (extendsfdf2_cf): Use fdmove instead of f%&move.
26456         (truncdfsf2_cf): Use fsmove instead of f%$smove.
26457         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
26458
26459 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26460
26461         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
26462         GPR<-GPR moves.
26463
26464 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26465
26466         * real.h (real_format): Add a canonical_nan_lsbs_set field.
26467         (coldfire_single_format): Declare.
26468         (coldfire_double_format): Likewise.
26469         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
26470         of qnan_msb_set to determine the lower bits of a canonical
26471         NaN significand.
26472         (encode_ieee_double): Likewise.
26473         (encode_ieee_quad): Likewise.
26474         (ieee_single_format): Initialize canonical_nan_lsbs_set.
26475         (mips_single_format): Likewise.
26476         (ieee_double_format): Likewise.
26477         (mips_double_format): Likewise.
26478         (ieee_extended_motorola_format): Likewise.
26479         (ieee_extended_intel_96_format): Likewise.
26480         (ieee_extended_intel_128_format): Likewise.
26481         (ieee_extended_intel_96_round_53_format): Likewise.
26482         (ibm_extended_format): Likewise.
26483         (mips_extended_format): Likewise.
26484         (ieee_quad_format): Likewise.
26485         (mips_quad_format): Likewise.
26486         (vax_f_format): Likewise.
26487         (vax_d_format): Likewise.
26488         (vax_g_format): Likewise.
26489         (i370_single_format): Likewise.
26490         (i370_double_format): Likewise.
26491         (decimal_single_format): Likewise.
26492         (decimal_double_format): Likewise.
26493         (decimal_quad_format): Likewise.
26494         (c4x_single_format): Likewise.
26495         (c4x_extended_format): Likewise.
26496         (real_internal_format): Likewise.
26497         (coldfire_single_format): New real_format.
26498         (coldfire_double_format): Likewise.
26499         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
26500         canonical_nan_lsbs_set.
26501         (pdp11_d_format): Likewise.
26502         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
26503         if TARGET_COLDFIRE_CPU.
26504
26505 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26506
26507         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
26508         (output_call, m68k_legitimize_call_address): Declare.
26509         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
26510         parenthesees.  Add support for a 'W' constraint.
26511         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
26512         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
26513         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
26514         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
26515         variables.
26516         (override_options): Initialize them.  Do not set flag_no_function_cse
26517         for TARGET_ID_SHARED_LIBRARY.
26518         (m68k_output_pic_call): Delete.
26519         (m68k_legitimize_call_address): New function.
26520         (print_operand): Remove the %o prefix.  Handle the %p prefix.
26521         (output_call): New function.
26522         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
26523         target address from the GOT if symbolic jumps are not allowed.
26524         * config/m68k/m68k.md (call, general_operand): Do not set
26525         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
26526         Merge separate flag_pic and !flag_pic define_insns into...
26527         (*call, *call_value): ...these new patterns.  Match the address
26528         rather than the containing MEM and require it to be a call_operand.
26529         Use output_call to generate the asm template.
26530         * config/m68k/predicates.md (const_call_operand): New predicate.
26531         (call_operand): Likewise.
26532
26533 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
26534
26535         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
26536         (STACK_GROWS_DOWNWARD): Define to 1.
26537         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
26538         comments, emphasizing that these values are only defaults.
26539         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
26540         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
26541
26542 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26543
26544         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
26545
26546 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
26547             Richard Sandiford  <richard@codesourcery.com>
26548
26549         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
26550         (FP_REGNO_P): New macros.
26551         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
26552         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
26553         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
26554         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
26555
26556 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
26557
26558         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
26559         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
26560         to $tmake_file.
26561         * config/m68k/t-floatlib: New file, extracting common code from...
26562         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
26563         * config/m68k/t-uclinux: Here.
26564         * config/m68k/fpgnulib.c: Do not compile extendeed precision
26565         routines on ColdFire targets.
26566
26567 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
26568
26569         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
26570         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
26571         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
26572         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
26573         explicitly set MOTOROLA to 1.
26574         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
26575
26576 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26577             Nathan Sidwell  <nathan@codesourcery.com>
26578
26579         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
26580         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
26581         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
26582         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
26583         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
26584         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
26585         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
26586         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
26587         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
26588         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
26589         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
26590         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
26591         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
26592         (DBX_REGISTER_NUMBER): Delete.
26593         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
26594         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
26595         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
26596
26597 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26598
26599         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
26600         * config/flat.h: New file.
26601         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
26602         OBJECT_FORMAT_FLAT.
26603         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
26604         indirect references for -msep-data or -mid-shared-library.
26605         Do not use PC-relative code addresses either.
26606         * config/m68k/m68k.c (override_options): Restrict -fPIC error
26607         to -mpcrel.
26608         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
26609         for shared libraries and crt1.o for executables.  Use crti.o and
26610         crtbegin.o.
26611         (ENDFILE_SPEC): Use crtend.o and crtn.o.
26612         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
26613         Do not add -elf2flt or -shared-lib-id options here.
26614         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
26615         Pass -shared-lib-id if -mid-shared-library, taking the library
26616         identifier from -mshared-library-id if given, otherwise
26617         defaulting to 0.
26618         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
26619         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
26620         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
26621         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
26622         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
26623         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
26624         and crtend.o.
26625         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
26626         jump sequence for ISA A and ISA A+.
26627         (PICJUMP): Likewise.
26628
26629 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26630
26631         * config.gcc (m68k-*-uclinux*): Base the port on the common
26632         and m68k GNU/Linux files rather than on the generic ELF ones.
26633         * config/m68k/uclinux.h (TARGET_VERSION): Override.
26634         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
26635
26636 2007-01-18  Julian Brown  <julian@codesourcery.com>
26637             Richard Sandiford  <richard@codesourcery.com>
26638
26639         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
26640         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
26641         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
26642         before redefining.
26643         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
26644         80 unconditionally.
26645         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
26646
26647 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26648
26649         * doc/install.texi: Document m68k-uclinuxoldabi.
26650         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
26651         * config/m68k/uclinux-oldabi.h: New file, copied from
26652         config/m68k/uclinux.h.
26653
26654 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
26655
26656         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
26657         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
26658         (m32r_compute_frame_size): Use unsigned for regno.
26659         (m32r_reload_lr): Use gen_frame_mem.
26660         (pop): New.
26661         (m32r_output_function_epilogue): Don't output the function epilogue
26662         textually here.
26663         (m32r_expand_epilogue): New.
26664         (direct_return): Return false if the function has the interrupt
26665         attribute.
26666         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
26667         * config/m32r/m32r.md (epilogue): New expander.
26668         (return_lr, return_rte): New insns.
26669         (return): Make it expander.
26670         (return_normal): New expander.
26671
26672 2007-01-18  Josh Conner  <jconner@apple.com>
26673
26674         PR target/30485
26675         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
26676         support for UNLE, UNLT, UNGE, and UNGT.
26677
26678 2007-01-18  Jan Hubicka  <jh@suse.cz>
26679
26680         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
26681         * tree-tailcall (add_virtual_phis): Likewise.
26682         (optimize_tail_call): Return TODOs.
26683         (execute_tail_calls): Return TODOs.
26684         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
26685         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
26686         changed.
26687         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
26688         Cleanup cfg using TODO.
26689         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
26690         * passes.c (execute_function_todo): When cleanup did something, remove
26691         unused locals.
26692         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
26693         (make_edges): Don't cleanup_cfg.
26694
26695 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
26696
26697         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
26698         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
26699         operate on the top of stack.
26700         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
26701         register handling of instructions that output to the second
26702         stack slot.
26703         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
26704         (move_for_stack_reg): Special-case check for dead destination
26705         stack slot for constant load of 1.0 inside UNSPEC_TAN.
26706
26707         * config/i386/i386.md (UNSPEC_TAN): New constant.
26708         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
26709         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
26710         to correctly model move of constant 1.0 to top stack slot.
26711         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
26712         (unnamed peephole2 pattern): Remove corresponding peephole2
26713         pattern that optimizes tan insn and loading of constant 1.0.
26714         (tanxf2): Use fptanxf4_i387.
26715         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
26716         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
26717         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
26718         disable patterns for SSE math.
26719         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
26720         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
26721
26722 2007-01-18  Dirk Mueller  <dmueller@suse.de>
26723             Richard Guenther <rguenther@suse.de>
26724
26725         PR diagnostic/8268
26726         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
26727         * common.opt (Warray-bounds): Add new warning option.
26728         * c-opts.c (c_common_handle_option): Define -Warray-bounds
26729         if -Wall is given.
26730         * Makefile.in: make tree-vrp.o depend on toplev.h
26731         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
26732         is enabled.
26733         (check_array_refs, check_array_bounds, check_array_ref): New.
26734
26735 2007-01-18  Jan Hubicka  <jh@suse.cz>
26736
26737         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
26738         (execute_ssa_ccp): Return flags conditionally.
26739         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
26740         changed.
26741         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
26742
26743 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
26744
26745         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
26746         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
26747
26748         * Makefile.c (GTFILES): Add cfglayout.h.
26749         * gengtype.c (open_base_files): Likewise.
26750         * cfglayout.c (cfg_layout_function_footer,
26751         cfg_layout_function_header) Reindent to make gengtype happy.
26752         * cfglayout.h (cfg_layout_function_footer,
26753         cfg_layout_function_header): Add GTY(()) marker.
26754
26755         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
26756
26757 2007-01-18  Ben Elliston  <bje@au.ibm.com>
26758
26759         * genautomata.c (write_automata): Include xstrerror output in the
26760         error message if writing the DFA description file fails.
26761
26762 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
26763
26764         * config/mips/mips-protos.h (mips_output_external): Make it
26765         return void.
26766         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
26767         * config/mips/mips.c (irix_output_external_libcall): Likewise.
26768         (extern_list): Likewise.
26769         (extern_head): Likewise.
26770         (TARGET_ASM_FILE_END): Likewise.
26771         (mips_file_end): Likewise.
26772         (mips_output_external): Rewritten.
26773
26774 2007-01-18  Ben Elliston  <bje@au.ibm.com>
26775
26776         * genpreds.c (write_insn_preds_c): Only write out the function
26777         body for regclass_for_constraint if we have register constraints.
26778
26779 2007-01-17  Tom Tromey  <tromey@redhat.com>
26780
26781         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
26782         * doc/install.texi (Testing): Use sourceware.org.
26783         (Binaries): Likewise.
26784         (Specific): Likewise.
26785         * doc/contrib.texi (Contributors): Use sourceware.org.
26786
26787 2007-01-17  Anatoly Sokolov <aesok@post.ru>
26788
26789         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
26790         (AVR_ENHANCED): Rename to ...
26791         (AVR_HAVE_MUL): ... new.
26792         (avr_enhanced_p): Rename to ...
26793         (avr_have_mul_p): ... new.
26794         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
26795         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
26796         * config/avr/avr.c (avr_enhanced_p): Rename to ...
26797         (avr_have_mul_p): ... new.
26798         (base_arch_s): Rename 'enhanced' to 'have_mul'.
26799         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
26800         'avr_enhanced_p' and 'enhanced'.
26801         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
26802         AVR_HAVE_MUL instead of AVR_ENHANCED.
26803         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
26804         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
26805         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
26806         instead of AVR_ENHANCED.
26807         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
26808         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
26809         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
26810
26811 2007-01-17  Ian Lance Taylor  <iant@google.com>
26812
26813         * vec.h (VEC_reserve_exact): Define.
26814         (vec_gc_p_reserve_exact): Declare.
26815         (vec_gc_o_reserve_exact): Declare.
26816         (vec_heap_p_reserve_exact): Declare.
26817         (vec_heap_o_reserve_exact): Declare.
26818         (VEC_OP (T,A,reserve_exact)): New static inline function, three
26819         versions.
26820         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
26821         negative parameter.
26822         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
26823         (VEC_OP (T,A,copy)) [all versions]: Likewise.
26824         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
26825         * vec.c (calculate_allocation): Add exact parameter.  Change all
26826         callers.
26827         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
26828         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
26829         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
26830         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
26831         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
26832         (vec_heap_p_reserve_exact): New function.
26833         (vec_heap_o_reserve_exact): New function.
26834
26835 2007-01-17  Jan Hubicka  <jh@suse.cz>
26836
26837         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
26838
26839 2007-01-17  Eric Christopher  <echristo@apple.com>
26840
26841         * config.gcc: Support core2 processor.
26842
26843 2007-01-16  Jan Hubicka  <jh@suse.cz>
26844
26845         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
26846         the names, just unlink the chain so we don't crash on dangling
26847         pointers
26848         to dead SSA names.
26849
26850 2007-01-16  Jan Hubicka  <jh@suse.cz>
26851
26852         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
26853         * tree-pass.h: Reorder to make IPA passes appear toegher.
26854         (pass_early_inline, pass_inline_parameters, pass_apply_inline):
26855         Declare.
26856         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
26857         parameters, do not call early inliner.
26858         * ipa-inline.c: Update comments.  Include tree-flow.h
26859         (cgraph_decide_inlining): Do not compute inlining parameters.
26860         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
26861         be called with function context set up.
26862         (pass_ipa_inline): Remove unreachable functions before pass.
26863         (cgraph_early_inlining): Simplify assuming to be called from the
26864         PM as local pass.
26865         (pass_early_inline): New pass.
26866         (cgraph_gate_ipa_early_inlining): New gate.
26867         (pass_ipa_early_inline): Turn into simple wrapper.
26868         (compute_inline_parameters): New function.
26869         (gate_inline_passes): New gate.
26870         (pass_inline_parameters): New pass.
26871         (apply_inline): Move here from tree-optimize.c
26872         (pass_apply_inline): New pass.
26873         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
26874         transforming.
26875         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
26876         doing them by hand.
26877         (tree_function_versioning): Do not allocate dummy struct function.
26878         * tree-inline.h (optimize_inline_calls): Update prototype.
26879         * tree-optimize.c (execute_fixup_cfg): Export.
26880         (pass_fixup_cfg): Remove
26881         (tree_rest_of_compilation): Do not apply inlines.
26882         * tree-flow.h (execute_fixup_cfg): Declare.
26883         * Makefile.in (gt-passes.c): New.
26884         * passes.c: Include gt-passes.h
26885         (init_optimization_passes): New passes.
26886         (nnodes, order): New static vars.
26887         (do_per_function_toporder): New function.
26888         (execute_one_pass): Dump current pass here.
26889         (execute_ipa_pass_list): Don't dump current pass here.
26890
26891 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
26892
26893         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
26894         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
26895
26896 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
26897
26898         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
26899         (strong_alias): Define.
26900         (__gcc_qmul): Provide non-FMA for soft-float.
26901         (__gcc_qdiv): Same.
26902         (__gcc_qneg): New.
26903         (__gcc_qeq): New.
26904         (__gcc_qle): New.
26905         (__gcc_qge): New.
26906         (__gcc_qunord): New.
26907         (__gcc_stoq): New.
26908         (__gcc_dtoq): New.
26909         (__gcc_qtos): New.
26910         (__gcc_qtod): New.
26911         (__gcc_qtoi): New.
26912         (__gcc_qtou): New.
26913         (__gcc_itoq): New.
26914         (__gcc_utoq): New.
26915         (fmsub): New.
26916         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
26917         soft-float functions.
26918         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
26919         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
26920         about long double soft float.
26921
26922 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
26923             Tehila Meyzels  <tehila@il.ibm.com>
26924
26925         * tree-vectorizer.h (is_pattern_stmt_p): New.
26926         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
26927         formatting (tabs instead of spaces). Cleanup and clarify setting
26928         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
26929         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
26930         (vectorizable_type_demotion): Check that types are integral.
26931         (vectorizable_type_promotion): Likewise.
26932         (vectorizable_store): Fix typo.  Eliminate new-line at end of
26933         comments.
26934
26935 2007-01-16  Jan Hubicka  <jh@suse.cz>
26936
26937         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
26938         cgraph edges too.
26939
26940 2007-01-15  Eric Christopher  <echristo@apple.com>
26941
26942         * ifcvt.c: Include vec.h, vecprim.h.
26943         (check_cond_move_block): New argument regs.
26944         Reorganize. Add registers used to regs.
26945         (cond_move_process_if_block): Use regs set above as
26946         loop bounds.
26947
26948 2007-01-15  Eric Christopher  <echristo@apple.com>
26949
26950         * config/darwin.h: Update copyright.
26951         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
26952         (LINK_COMMAND_SPEC): Add -u.
26953         (LINK_SPEC): Fix umbrella for above.
26954
26955 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
26956
26957         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
26958         glibc CVS.
26959
26960 2007-01-15  Tom Tromey  <tromey@redhat.com>
26961
26962         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
26963         * doc/install.texi (Testing): Don't mention jacks.
26964         (Configuration): Document --enable-java-maintainer-mode.  Move
26965         --with-java-home to libgcj-specific section.  Document
26966         --with-ecj-jar.
26967         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
26968
26969 2007-01-15  Jan Hubicka  <jh@suse.cz>
26970
26971         * tree-ssa-dce.c (DCE_TODOs): New.
26972         (propagate_necessity): Return if something changed.
26973         (eliminate_unnecessary_stmts): Likewise.
26974         (perform_tree_ssa_dce): Return TODO flags when needed.
26975         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
26976
26977 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
26978
26979         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
26980         (fyl2x_extend<mode>xf3_i387): New insn pattern.
26981         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
26982         patterns using X87MODEF12 mode macro.  Extend operand 1
26983         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
26984         (log10<mode>2): Ditto.
26985         (log2<mode>2): Ditto.
26986         (log1p<mode>2): Ditto.
26987         (logb<mode>2): Ditto.
26988         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
26989         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
26990         (*fxtractxf3_i387): Rename from *fxtractxf3.
26991         (fxtract_extend<mode>xf3_i387): New insn pattern.
26992         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
26993         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
26994         and gen_fyl2xxf3_i387().
26995
26996 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
26997
26998         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
26999         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
27000         get_loop_exit_edges.  Changed return type to bool.
27001         * cfgloop.h (fix_loop_placement): Declaration removed.
27002
27003 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
27004
27005         * param.h (MIN_VECT_LOOP_BOUND): New.
27006         * params.def (MIN_VECT_LOOP_BOUND): New.
27007         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
27008         argument - minimum threshold for number of iterations.
27009         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
27010         argument to declaration.
27011         * tree-vect-analyze.c (vect_analyze_operations): Check value of
27012         MIN_VECT_LOOP_BOUND.
27013         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
27014         slpeel_tree_peel_loop_to_edge with additional argument.
27015         (vect_do_peeling_for_alignment): Likewise.
27016         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
27017
27018 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
27019
27020         PR target/30413
27021         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
27022         operands of size 1.
27023
27024 2007-01-14  Jan Hubicka  <jh@suse.cz>
27025
27026         * tree-dfa.c (remove_referenced_var): New function.
27027         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
27028         prune referenced vars list too.
27029         * tree-flow.h (remove_referenced_var): Declare.
27030
27031 2007-01-14  Jan Hubicka  <jh@suse.cz>
27032
27033         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
27034         separately.
27035         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
27036         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
27037         * except.h (verify_eh_throw_table_statements): Kill prototype.
27038         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
27039         into call exrepssions.
27040         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
27041         eh trhow verifier.
27042         * tree-cfg.c: Include pointer-set.h.
27043         (verify_node_sharing): Work on pointer set.
27044         (verify_eh_throw_stmt_node): New.
27045         (verify_stmts): Use pointers sets, verify throw_stmt.
27046
27047 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
27048
27049         * ipa-reference.c (analyze_function): Consider also addresses taken
27050         in phi nodes.
27051
27052 2007-01-12  Roger Sayle  <roger@eyesopen.com>
27053
27054         * c-typeck.c (null_pointer_constant_p): Replace use of
27055         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
27056         (build_c_cast): Likewise.
27057
27058 2007-01-12  Roger Sayle  <roger@eyesopen.com>
27059
27060         * tree.h (force_fit_type_double): Remove unused final argument.
27061         * c-common.c (constant_expression_warning): Replace use of
27062         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
27063         (convert_and_check): Likewise.
27064         (shorten_compare): Update call to force_fit_type_double.
27065         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
27066         * convert.c (convert_to_pointer): Update call to
27067         force_fit_type_double.
27068         * fold-const.c (force_fit_type_double): Remove overflowed_const
27069         argument.
27070         (int_const_binop, fold_convert_const_int_from_int,
27071         fold_convert_const_int_from_real, fold_div_compare,
27072         fold_sign_changed_comparison, fold_unary, fold_negate_const,
27073         fold_abs_const, fold_not_const): Remove the final argument from
27074         calls to force_fit_type_double.
27075
27076 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
27077
27078         * configure.ac: Set insn to "nop" for spu-*-* also.
27079         * configure: Regenerate.
27080
27081 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
27082
27083         * builtins.def : Add BUILT_IN_FREE.
27084
27085 2007-01-12  Jan Hubicka  <jh@suse.cz>
27086
27087         PR tree-optimization/30443
27088         * tree-inline.c (tree_function_versioning): Do not optimize when
27089         cloning for inlining.
27090
27091 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
27092
27093         * doc/loop.texi: Document recording of loop exits.
27094         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
27095         (update_single_exits_after_duplication,
27096         update_single_exit_for_duplicated_loop,
27097         update_single_exit_for_duplicated_loops): Removed.
27098         (duplicate_loop_to_header_edge): Do not call
27099         update_single_exits_after_duplication and
27100         update_single_exit_for_duplicated_loops.
27101         (loop_version): Do not update single_exit information.
27102         (fix_loop_structure): Use record_loop_exits instead of
27103         mark_single_exit_loops.
27104         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
27105         the lists of loop exits.
27106         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
27107         split_edge, merge_blocks): Update the lists of loop exits.
27108         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
27109         loop_optimizer_init.
27110         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
27111         of mark_single_exit_loops.
27112         (loop_optimizer_finalize): Call release_recorded_exits.
27113         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
27114         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
27115         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
27116         update single exit information.
27117         * lambda-code.c (perfect_nestify): Ditto.
27118         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
27119         (mark_single_exit_loops): Removed.
27120         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
27121         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
27122         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
27123         functions.
27124         (get_loop_exit_edges, single_exit): Use recorded exit lists.
27125         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
27126         (verify_loop_structure): Verify consistency of the exit lists.
27127         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
27128         (set_single_exit): Removed.
27129         * cfgloop.h (struct loop_exit): New function.
27130         (struct loop): single_exit_ field replaced by exits field.
27131         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by
27132         LOOPS_HAVE_RECORDED_EXITS.
27133         (struct loops): Added exits hash.
27134         (mark_single_exit_loops, set_single_exit): Declaration removed.
27135         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
27136
27137 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
27138
27139         * doc/invoke.texi: Avoid use of @headitem.
27140
27141 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
27142
27143         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
27144
27145 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
27146
27147         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
27148         list of targets.
27149
27150 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
27151             Richard Sandiford  <richard@codesourcery.com>
27152
27153         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
27154         * config/m68k/m68k.opt: Resort options.
27155         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
27156
27157 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
27158             Richard Sandiford  <richard@codesourcery.com>
27159
27160         * doc/invoke.texi: Document the macros that are defined by
27161         m68k's -mtune and -mhard-float options.
27162         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
27163         (m68k_cpp_cpu_family): Likewise.
27164         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
27165         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
27166         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
27167         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
27168         (m68k_cpp_cpu_family): Likewise.
27169
27170 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
27171
27172         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
27173         macros besides mc68000 as tuning macros.  Use a switch statement
27174         to set them and mcpu32.
27175
27176 2007-01-12  Julian Brown  <julian@codesourcery.com>
27177
27178         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
27179         (TARGET_68040_ONLY): Rename to...
27180         (TARGET_68040): ...this.
27181         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
27182         * config/m68k/m68k.md: Likewise.
27183
27184 2007-01-12  Julian Brown  <julian@codesourcery.com>
27185             Nathan Sidwell  <nathan@codesourcery.com>
27186             Richard Sandiford  <richard@codesourcery.com>
27187
27188         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
27189         the -mcpu= argument associated with the --with-cpu setting.
27190         Define M68K_DEFAULT_TUNE to the default -mtune= option,
27191         if different from the one implied by the -mcpu setting.
27192         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
27193         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
27194         * doc/invoke.texi: Mention ColdFire in the introduction to the
27195         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
27196         -mno-div and -mhard-float options.  Make -m68881 a synonym for
27197         -mhard-float.  Document the previously-undocumented -m5206e,
27198         -m528x, -m5307 and -m5407 options.  Tweak the existing option
27199         documentation for consistency.
27200         * doc/install.texi: Mention new --with-cpu arguments.
27201         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
27202         default CPU if neither -mcpu nor -march are specified.
27203         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
27204         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
27205         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
27206         using m68k_tune to decide between families that implement the
27207         same ISA.  Use m68k_tune to set __mcfv4e__.
27208         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
27209         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
27210         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
27211         (FL_ISA_C, FL_ISA_MMU): New macros.
27212         (MASK_COLDFIRE): Delete.
27213         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
27214         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
27215         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
27216         (TARGET_HARD_FLOAT): Do not define here.
27217         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
27218         (TUNE_68000): New macro.
27219         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
27220         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
27221         (TUNE_CFV2): Redefine in terms of m68k_tune.
27222         (uarch_type, target_device, fpu_type): New enums.
27223         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
27224         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
27225         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
27226         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
27227         (FL_FOR_isa_c): New macros.
27228         (m68k_isa): New enum.
27229         (m68k_target_selection): New structure.
27230         (all_devices, all_isas, all_microarchs): New tables.
27231         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
27232         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
27233         (MASK_ALL_CPU_BITS): Delete.
27234         (m68k_find_selection): New function.
27235         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
27236         Map the legacy target options to a combination of the new ones.
27237         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
27238         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
27239         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
27240         settings.
27241         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
27242         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
27243         properties.
27244         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
27245         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
27246         * config/m68k/m68k-devices.def: New file.
27247
27248 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
27249             Nathan Sidwell  <nathan@codesourcery.com>
27250
27251         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
27252         (SUBTARGET_EXTRA_SPECS): New macros.
27253         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
27254         use %(asm_cpu_spec) instead.
27255         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
27256         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
27257         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
27258         (EXTRA_SPECS): Rename to...
27259         (SUBTARGET_EXTRA_SPECS): ...this.
27260
27261 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
27262             Richard Sandiford  <richard@codesourcery.com>
27263             Julian Brown  <julian@codesourcery.com>
27264
27265         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
27266         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
27267         to the configuration's default CPU.
27268         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
27269         Remove default masks.
27270         (m680[012]0-*-*): Set the default with_cpu to the first part of
27271         the target name.
27272         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
27273         (m68k*-*-linux): Extend the --with-cpu handling to...
27274         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
27275         and m68010.  Don't set target_cpu_default2.
27276         * doc/install.texi: Document --with-cpu for m68k.
27277         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
27278         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
27279         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
27280         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
27281         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
27282         (ASM_SPEC): Remove use of %(asm_cpu_default).
27283         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
27284         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
27285         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
27286         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
27287         __HAVE_FPU__ if TARGET_HARD_FLOAT.
27288         (TARGET_DEFAULT): Delete.
27289         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
27290         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
27291         (CPP_CPU_SPEC): Delete.
27292         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
27293         the appropriate string.
27294         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
27295         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
27296         (ASM_SPEC): Don't use %(asm_default_spec).
27297         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
27298         TARGET_DEFAULT and add MASK_68881.
27299         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
27300
27301 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
27302
27303         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
27304         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
27305         MASK_68010 alongside MASK_68020.
27306         * doc/invoke.texi: Document -m68010.
27307         * config/m68k/m68k.opt (m68010): New.
27308         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
27309         if TUNE_68010.
27310         (TUNE_68010): New macro.
27311         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
27312         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
27313         (M68K_CPU_m68332): Add MASK_68010.
27314         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
27315         fallback definition.
27316         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
27317         defines.
27318         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
27319         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
27320         to all entries that use MASK_68020.
27321         (output_move_simode_const, output_move_himode, output_move_qimode)
27322         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
27323         instead of TARGET_68020 to select clr behavior.  Remove comment
27324         about there being no TARGET_68010.
27325         * config/m68k/m68k.md: Likewise throughout.
27326
27327 2007-01-12  Julian Brown  <julian@codesourcery.com>
27328
27329         * config/m68k/m68k.h (TARGET_ISAB): New macro.
27330         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
27331         * config/m68k/m68k.md: Likewise.
27332
27333 2007-01-12  Julian Brown  <julian@codesourcery.com>
27334
27335         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
27336         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
27337
27338 2007-01-12  Julian Brown  <julian@codesourcery.com>
27339
27340         * config/m68k/m68k.h (TUNE_68040_60): New macro.
27341         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
27342         * config/m68k/m68k.md: Likewise.
27343
27344 2007-01-12  Julian Brown  <julian@codesourcery.com>
27345             Richard Sandiford  <richard@codesourcery.com>
27346
27347         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
27348         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
27349         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
27350         TARGET_CPU32.
27351         (TARGET_CPU32): Rename to...
27352         (TUNE_CPU32): ...this.
27353         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
27354         (TUNE_CFV2): New macros.
27355         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
27356         remove conditions that are implied by TARGET_68020.
27357         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
27358         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
27359         (m68k_output_function_epilogue): Likewise.
27360         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
27361         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
27362         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
27363         non-68000 timings.  Refactor multiplication and division costs.
27364         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
27365         TUNE_CPU32 instead of TARGET_CPU32.
27366         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
27367         and TUNE_68060 instead of TARGET_68060.
27368         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
27369         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
27370         TARGET_CPU32.
27371         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
27372         && !TARGET_COLDFIRE" to choose between moveq and clr.
27373         Likewise in the unnamed movsf pattern.
27374         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
27375         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
27376         ashiftrt pattern.
27377
27378 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
27379
27380         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
27381         of tabbing before backslashes.
27382
27383 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
27384
27385         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
27386         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
27387         (ASM_OUTPUT_INTERNAL_LABEL): Define.
27388
27389 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
27390
27391         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
27392         find_interesting_uses_cond.
27393         (find_interesting_uses_cond): Use extract_cond_operands.
27394         (rewrite_use_compare): Use extract_cond_operands and
27395         force_gimple_operand_bsi.  Do not call update_stmt.
27396         (determine_use_iv_cost_condition): Use extract_cond_operands.
27397         Return cheaper of using original bound and changing the exit bound.
27398
27399 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
27400
27401         PR tree-optimization/29516
27402         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
27403         most_expensive_mult_to_index, addr_to_parts,
27404         create_mem_ref, maybe_fold_tmr): Make the type of
27405         fields of TARGET_MEM_REF sizetype.
27406         (move_fixed_address_to_symbol, move_pointer_to_base):
27407         New functions.
27408         * tree.def (TARGET_MEM_REF): Add comment on types of
27409         the operands.
27410
27411 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
27412
27413         * c-common.c (vector_types_convertible_p): Treat opaque types as
27414         always convertible if they have the same size, but not otherwise.
27415
27416 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
27417
27418         * ifcvt.c (struct noce_if_info): Add comments to the fields.
27419         Remove the b_unconditional field.
27420         (noce_try_sign_mask): Do not look at b_unconditional.
27421         (noce_process_if_block): Do not use merge_if_blocks.  Update
27422         the CFG here.  Do not set b_unconditional.
27423         (cond_move_process_if_block): Likewise.
27424         (find_cond_trap): Likewise.
27425         (check_cond_move_block): Require simple jump insns at the end
27426         of the basic block.
27427
27428 2007-01-11  Jan Hubicka  <jh@suse.cz>
27429
27430         PR tree-optimization/1046
27431         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
27432         when alias info is not ready.
27433         (pass_tail_recursion): Do not require aliasing.
27434         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
27435         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
27436         * tree-ssa-copy.c (pass_copy_prop): Likewise.
27437         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
27438         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
27439         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
27440         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
27441         before inlining.
27442         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
27443         When aliasing is not build, mark statement as volatile.
27444
27445 2007-01-11  Tom Tromey  <tromey@redhat.com>
27446
27447         PR preprocessor/15185, PR preprocessor/20989:
27448         * doc/cppopts.texi <-MT>: Update description of algorithm for
27449         computing default target.
27450         <-M, -MD>: Reword "basename" text.
27451
27452 2007-01-11  Roger Sayle  <roger@eyesopen.com>
27453
27454         * builtins.c (expand_builtin_pow, expand_builtin_powi,
27455         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
27456         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
27457         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
27458         fold_builtin_bswap, real_constp, fold_builtin_pow,
27459         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
27460         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
27461         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
27462         * convert.c (convert_to_pointer): Likewise.
27463         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
27464         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
27465         const_binop, fold_convert_const_int_from_int,
27466         fold_convert_const_int_from_real,
27467         fold_convert_const_real_from_real, sign_bit_p,
27468         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
27469         fold_sign_changed_comparison, fold_unary, fold_comparison,
27470         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
27471         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
27472         * print-tree.c (print_node_brief, print_node): Likewise.
27473         * stor-layout.c (place_field, layout_type): Likewise.
27474         * tree-chrec.c (keep_cast): Likewise.
27475         * tree.c (build_vector, build_real, build_real_from_int_cst,
27476         build_complex): Likewise.
27477
27478 2007-01-11  Roger Sayle  <roger@eyesopen.com>
27479
27480         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
27481         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
27482
27483 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
27484
27485         * configure.ac (strict1_warn): Rename to strict_warn.
27486         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
27487         cc_set_by_configure, quoted_cc_set_by_configure,
27488         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
27489         all_boot_languages, all_stagestuff): Remove.
27490         (target_list): Remove bootstrap targets.
27491         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
27492         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
27493         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
27494         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
27495         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
27496         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
27497         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
27498         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
27499         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
27500         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
27501         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
27502         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
27503         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
27504         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
27505         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
27506         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
27507         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
27508         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
27509         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
27510         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
27511         (mostlyclean): Adjust.
27512         (clean, distclean): Don't mention bootstrap stuff.
27513         * configure: Regenerate.
27514         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
27515         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
27516         treelang/config-lang.in (stagestuff): Remove.
27517         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
27518         stageprofile, stagefeedback, stagestuff): Remove mention.
27519
27520 2007-01-11  Nick Clifton  <nickc@redhat.com>
27521
27522         * config/mcore/predicates.md (mcore_general_movesrc_operand):
27523         Accept CONSTs.
27524         (mcore_general_movdst_operand): Do not accept CONST_INTs.
27525         (mcore_arith_K_S_operand): Run the test for the S constraint not
27526         the test for the M constraint.
27527         (mcore_addsub_operand): Do not accept integer values that are
27528         larger than 32 bits.
27529         * config/mcore/mcore.md: Remove unused constraints from split.
27530         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
27531         (addsi3): Likewise.
27532         (allocate_stack): Likewise.
27533         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
27534         operands to 32 bits.
27535         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
27536         INTVAL.
27537         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
27538         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
27539         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
27540         mcore_output_bclri, mcore_output_andn, output_inline_const,
27541         mcore_output_move, mcore_output_movedouble): Likewise.
27542         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
27543         (output_inline_const): Likewise.
27544         (output_inline_const): Fix format strings used in sprintf
27545         statements.
27546         * config/mcore/mcore-protos.h: Update prototypes for changed
27547         functions in mcore.c.
27548         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
27549         HOST_WIDE_INT and not int.
27550         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
27551         CONST_OK_FOR_N): Likewise.
27552         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
27553         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
27554         an INTVAL.
27555
27556 2007-01-10  Jan Hubicka  <jh@suse.cz>
27557
27558         * tree-vrp.c (remove_range_assertions): Release defs.
27559         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
27560         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
27561
27562 2007-01-10  Paul Brook  <paul@codesourcery.com>
27563
27564         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
27565         * config/arm/arm.md (mulsi3subsi): New insn.
27566
27567 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
27568
27569         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
27570         (tree_transform_and_unroll_loop): New.
27571         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
27572         Declare.
27573
27574 2007-01-10  Robert Kennedy <jimbob@google.com>
27575
27576         * fold-const.c (fold_comparison): Fold comparisons like (x *
27577         1000 < 0) to (x < 0).
27578
27579 2007-01-10  Ian Lance Taylor  <iant@google.com>
27580
27581         * tree-pretty-print.c (dump_generic_node): Print parentheses when
27582         operands have the same priority.
27583
27584 2007-01-10  Tom Tromey  <tromey@redhat.com>
27585
27586         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
27587         (fold_binary): Likewise.
27588         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
27589         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
27590         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
27591         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
27592         * langhooks.h (struct lang_hooks): Removed field
27593         'can_use_bit_fields_p'.
27594
27595 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
27596
27597         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
27598
27599 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
27600
27601         * function.c (get_last_funcdef_no): New function.
27602         * function.h (get_last_funcdef_no): Declare.
27603         * tree-inline.c (initialize_cfun): Add initialization.
27604         (tree_function_versioning): Cleanup.
27605
27606 2007-01-10  Jan Hubicka  <jh@suse.cz>
27607
27608         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
27609         PHIs.
27610
27611 2007-01-10  Sa Liu  <saliu@de.ibm.com>
27612             Ben Elliston  <bje@au.ibm.com>
27613
27614         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
27615         for SAVE_NONLOCAL and Pmode for any other save level.
27616         * spu-protos.h (spu_restore_stack_block): Declare.
27617         * spu.md (save_stack_block): Remove.
27618         (restore_stack_block): Call spu_restore_stack_block.
27619         * spu.c (spu_restore_stack_block): New function.
27620         (spu_expand_epilogue): Remove old comment.
27621
27622 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
27623
27624         PR tree-optimization/30322
27625         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
27626         (cand_value_at): Return the value as aff_tree.
27627         (may_eliminate_iv): Convert the bound from aff_tree to tree.
27628         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
27629         aff_combination_mult): New functions.
27630         (aff_combination_add): Use aff_combination_add_cst.
27631         (aff_combination_convert): Allow conversions to a wider type.
27632         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
27633         * tree-affine.h (aff_combination_mult): Declare.
27634
27635 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
27636
27637         * doc/tm.texi: Update documentation to reflect reality of exec
27638         and start file search behaviours. Update copyright year.
27639         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
27640         header file directories.
27641
27642 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
27643
27644         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
27645         (*cosxf2): Rename to cosxf2_i387.
27646         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
27647         using X87MODEF12 mode macro. Rename patterns to
27648         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
27649         for SSE math.
27650         (*cosdf2, *cossf2): Ditto.
27651         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
27652         to match extended input operands.
27653         (sincos<mode>3): New expander.
27654         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
27655         insn patterns and corresponding splitters.
27656
27657 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
27658
27659         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
27660         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
27661
27662 2007-01-09  Nicolas Pitre  <nico@cam.org>
27663
27664         PR target/30173
27665         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
27666
27667 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
27668
27669         * target.h (struct gcc_target): New field library_rtti_comdat.
27670         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
27671         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
27672         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
27673         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
27674
27675 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
27676
27677         * doc/invoke.texi (Optimize Options): Correct description of -O0.
27678
27679 2007-01-08  Richard Guenther  <rguenther@suse.de>
27680
27681         * tree.h (force_fit_type_double): Export.
27682         (force_fit_type): Remove.
27683         * fold-const.c (force_fit_type_double): New function.
27684         (force_fit_type): Remove.
27685         (int_const_binop): Use it.
27686         (fold_convert_const_int_from_int): Likewise.
27687         (fold_convert_const_int_from_real): Likewise.
27688         (fold_div_compare): Likewise.
27689         (fold_sign_changed_comparison): Likewise.
27690         (fold_unary): Likewise.
27691         (fold_negate_const): Likewise.
27692         (fold_abs_const): Likewise.
27693         (fold_not_const): Likewise.
27694         * c-common.c (shorten_compare): Use force_fit_type_double.
27695         * convert.c (convert_to_pointer): Likewise.
27696
27697 2007-01-08  Richard Guenther  <rguenther@suse.de>
27698
27699         * tree.h (build_int_cst_wide_type): Export.
27700         * tree.c (build_int_cst_wide_type): New function.
27701         (build_int_cst_wide): Fix comment.
27702         * builtins.c (fold_builtin_object_size): Use build_int_cst
27703         to build -1 or 0 of the correct type.  Use fit_double_type
27704         to check for overflow.
27705         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
27706         to build the mask.
27707         (decode_field_reference): Likewise.
27708         (all_ones_mask_p): Likewise.
27709         (native_interpret_int): Use build_int_cst_wide_type.
27710         (fold_binary): Use build_int_cst_type to build an all-ones
27711         value.
27712         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
27713
27714 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
27715
27716         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
27717
27718 2007-01-09  Ben Elliston  <bje@au.ibm.com>
27719
27720         * genautomata.c (STATS_OPTION): New option.
27721         (stats_flag): New flag.
27722         (gen_automata_option): Handle it.
27723         (initiate_automaton_gen): Ditto.
27724         (write_automata): Output statistics only if stats_flag is
27725         set. Likewise, output time statistics only if time_flag is set.
27726         * doc/md.texi (Processor pipeline description): Document new flag.
27727
27728 2007-01-08  Richard Guenther  <rguenther@suse.de>
27729
27730         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
27731         * tree.c (build_int_cst_type): Likewise.
27732         (size_in_bytes): Don't call force_fit_type on the result.
27733         (int_fits_type_p): Use fit_double_type.
27734         * fold-const.c (fit_double_type): New function.
27735         (force_fit_type): Use it.
27736         * tree.h (fit_double_type): Export.
27737
27738 2007-01-08  Jan Hubicka  <jh@suse.cz>
27739
27740         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
27741         * ipa.c (function_and_variable_visibility): Fix return type.
27742
27743 2007-01-08  Richard Guenther  <rguenther@suse.de>
27744
27745         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
27746         of offset to build the index.
27747         * tree-pretty-print.c (dump_generic_node): Don't build negated
27748         const just for printing.
27749         * c-pretty-print.c (pp_c_integer_constant): Likewise.
27750         * builtins.c (fold_builtin_int_roundingfn): Check if result
27751         fits the type by using force_fit_type and comparing the result.
27752         * predict.c (predict_loops): Use compare_tree_int for comparison.
27753         * tree.c (build_int_cst): Fall back to integer_type_node for
27754         NULL_TREE type.
27755         (build_int_cst_wide): Assert type is non-null.
27756
27757 2007-01-08  Roberto Costa  <roberto.costa@st.com>
27758
27759         * tree-vrp.c (extract_range_from_cond_expr): New.
27760         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
27761         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
27762         as expressions.
27763         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
27764         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
27765         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
27766         used as expressions.
27767         * tree-object-size.c (cond_expr_object_size): New.
27768         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
27769
27770 2007-01-08  Jan Hubicka  <jh@suse.cz>
27771
27772         * tree-ssa-forwprop.c (forward_propagate_into_cond,
27773         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
27774         statement.
27775
27776 2007-01-08  Richard Guenther  <rguenther@suse.de>
27777
27778         PR tree-optimization/23603
27779         * tree-vrp.c (set_value_range_to_truthvalue): New function.
27780         (extract_range_from_binary): Fall back to truthvalue instead of
27781         varying for TRUTH_*_EXPR.
27782         (extract_range_from_comparison): Fall back to truthvalue instead of
27783         varying.
27784         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
27785         if all visited PHI values were constant.
27786
27787 2007-01-08  Jan Hubicka  <jh@suse.cz>
27788
27789         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
27790         (cgraph_analyze_function): break out from ...
27791         (cgraph_finalize_compilation_unit): ... here.
27792         (cgraph_expand_function): Remove forgoten commented out line.
27793         (cgraph_optimize): Analyze functions.
27794
27795 2007-01-08  Jan Hubicka  <jh@suse.cz>
27796
27797         * tree-pas.h (TODO_remove_function): New flag.
27798         (TODO_update*): Renumber.
27799         (pass_ipa_increase_alignment,
27800         pass_ipa_function_and_variable_visibility): New passes.
27801         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
27802         (cgraph_function_and_variable_visibility): Move to ipa.c
27803         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
27804         cgraph_increase_alignment.
27805         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
27806         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
27807         calling tree-inline.
27808         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
27809         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
27810         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
27811         (gate_increase_alignment): New function.
27812         (pass_ipa_increase_alignment): New pass.
27813         * ipa.c: Inline tree-pass.h and timevar.h
27814         (function_and_variable_visibility): Move here from cgraphunit.c
27815         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
27816         * passes.c (init_optimization_passes): Add the two new passes.
27817         (execute_todo): Handle cgraph_remove_functions.
27818
27819 2007-01-08  Nick Clifton  <nickc@redhat.com>
27820
27821         * config/frv/predicates.md (reg_or_0_operand): Accept
27822         CONST_DOUBLEs.
27823
27824 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
27825
27826         * config/bfin/rtems.h, config/bfin/t-rtems: New.
27827         * config.gcc: Add bfin*-rtems*.
27828
27829 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
27830
27831         * c.opt: Add -flax-vector-conversions.
27832         * c-typeck.c (convert_for_assignment): Pass flag to
27833         vector_types_convertible_p to allow emission of note.
27834         (digest_init): Likewise.
27835         * c-opts.c: Handle -flax-vector-conversions.
27836         * c-common.c (flag_lax_vector_conversions): New.
27837         (vector_types_convertible_p): Unless -flax-vector conversions
27838         has been passed, disallow conversions between vectors with
27839         differing numbers of subparts and/or element types.  If such
27840         a conversion is disallowed, possibly emit a note on the first
27841         occasion only to inform the user of -flax-vector-conversions.
27842         The new last argument specifies this.
27843         * c-common.h (flag_lax_vector_conversions): New.
27844         (vector_types_convertible_p): Add extra argument.
27845         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
27846         char_type_node for V*QI type vectors.
27847         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
27848         Update to satisfy new typechecking rules.
27849         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
27850         C and C++ variants.
27851         * doc/invoke.texi (C Dialect Options): Document
27852         -flax-vector-conversions.
27853
27854 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
27855
27856         PR tree-optimization/29877
27857         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
27858         a register variable on the RHS to not be replaceable.
27859
27860 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
27861         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
27862         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
27863         const_simm15, const_pow2, const_npow2): Added.
27864         * config/score/misc.md (insv, extv, extzv, movmemsi,
27865         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
27866         * config/score/score.c (score_address_cost, score_select_cc_mode):
27867         Added.
27868         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
27869         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
27870         Update score_print_operand.
27871         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
27872         Adjust register allocate order and update some macro define.
27873         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
27874         mdx_block_move_straight, mdx_block_move_loop_head,
27875         mdx_block_move_loop_body, mdx_block_move_loop_foot,
27876         mdx_block_move_loop, mdx_block_move): Added.
27877         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
27878         mdp_limm): Updated and fix some bug and typo.
27879         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
27880         (movsf, movdf, doloop_end): Added.
27881
27882 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
27883
27884         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
27885         config/arm/thumb2.md: Fix comment typos.
27886         * doc/extend.texi: Fix a typo.
27887
27888 2007-01-07  Eric Christopher  <echristo@apple.com>
27889
27890         * configure.ac: Check for __stack_chk_fail for darwin.
27891         * configure: Regenerate.
27892
27893 2007-01-07  Richard Guenther  <rguenther@suse.de>
27894
27895         * tree-vrp.c (extract_range_from_assert): CSE calls to
27896         compare_values where possible.
27897         (extract_range_from_unary_expr): Likewise.
27898
27899 2007-01-07  Anatoly Sokolov <aesok@post.ru>
27900
27901         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
27902         * config/avr/avr.c (call_insn_operand): Delete function.
27903         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
27904         instead of register number. Use predicates.
27905         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
27906         call_insn_operand): Add.
27907
27908 2007-01-06  Jan Hubicka  <jh@suse.cz>
27909
27910         * tree-pass.h (pass_build_cgraph_edges): Declare.
27911         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
27912         (visited_nodes): Remove.
27913         (cgraph_create_edges): Move to cgraphbuild.c; rename to
27914         build_cgrpah_edges; make visited_nodes local.
27915         (cgraph_process_new_functions): DO not call initialize_inline_failed.
27916         (record_references_in_initializer): Move to cgraphbuild.c
27917         (initialize_inline_failed, rebuild_cgraph_edges,
27918         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
27919         (verify_cgraph_node): Make visited_nodes local.
27920         (cgraph_analyze_function): Do not call cgraph_create_edges and
27921         initialize_inline_failed.
27922         (cgraph_expand_function): Do not call cgraph_lower_function;
27923         assert that function is already lowered.
27924         * Makefile.in (cgraphbuild.o): New.
27925         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
27926         at the end of lowering passes.
27927
27928 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
27929
27930         * ifcvt.c (cond_move_convert_if_block): New function, code
27931         factored out from...
27932         (cond_move_process_if_block): ...here.  Call the new function
27933         on the THEN and ELSE blocks.
27934         (merge_if_block): Do not copy global_live_at_end, merge_blocks
27935         already takes care of this.
27936
27937 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
27938
27939         PR c/19978
27940         * tree.h (TREE_OVERFLOW_P): New.
27941         * c-typeck.c (parser_build_unary_op): Warn only if result
27942         overflowed and operands did not.
27943         (parser_build_binary_op): Likewise.
27944         (convert_for_assignment): Remove redundant overflow_warning.
27945         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
27946
27947 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
27948
27949         * c-typeck.c (store_init_value): Split over two lines to follow
27950         the GNU coding style.
27951
27952 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
27953
27954         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
27955         __GXX_EXPERIMENTAL_CXX0X__.
27956         * doc/cpp.texi: Same.
27957
27958 2007-01-05  Richard Guenther  <rguenther@suse.de>
27959
27960         PR middle-end/27826
27961         * tree.c (get_narrower): Do not construct COMPONENT_REFs
27962         with mismatched types.  Instead explicitly build a
27963         conversion NOP_EXPR.
27964
27965 2007-01-05  Ian Lance Taylor  <iant@google.com>
27966
27967         * c-common.c (decl_with_nonnull_addr_p): New function.
27968         (c_common_truthvalue_conversion): Call it.
27969         * c-typeck.c (build_binary_op): Likewise.
27970         * c-common.h (decl_with_nonnull_addr_p): Declare.
27971
27972 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
27973
27974         PR c/30360
27975         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
27976         denom against 0.0.
27977
27978 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
27979
27980         * doc/install.texi (Final install): Document the fact that
27981         the GNAT runtime should not be stripped.
27982
27983 2007-01-04  Jan Hubicka  <jh@suse.cz>
27984
27985         * tree-inline.c (fold_marked_statements): Update operand caches
27986         and EH after folding
27987
27988 2007-01-04  Ian Lance Taylor  <iant@google.com>
27989
27990         * c-common.c (check_function_nonnull): Whitespace fix.
27991
27992 2007-01-04  Jan Hubicka  <jh@suse.cz>
27993
27994         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
27995         comitted older version of patch.
27996         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
27997         function, celanup cfg and collect garbage.
27998
27999 2007-01-04  Mike Stump  <mrs@apple.com>
28000
28001         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
28002         (clean): Likewise.
28003
28004 2007-01-04  Eric Christopher  <echristo@apple.com>
28005
28006         * libgcc2.c (__bswapsi2): Use SItype.
28007         (__bswapdi2): Use DItype.
28008         * libgcc2.h: Update for above.
28009
28010 2007-01-04  Paul Brook  <paul@codesourcery.com>
28011
28012         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
28013         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
28014         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
28015         umulsidi3, umulsidi3adddi, smulsi3_highpart,
28016         umulsi3_highpart): Make conditional on !arm_arch6.
28017         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
28018         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
28019         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
28020         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
28021         umulsi3_highpart_v6): New insns.
28022
28023 2007-01-04  Roger Sayle  <roger@eyesopen.com>
28024
28025         * fold-const.c (fold_convert): When casting an expression to void,
28026         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
28027         have a type.  Instead of attempting to build a NOP_EXPR, return
28028         these "special" trees directly.
28029
28030 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
28031
28032         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
28033         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
28034         rs6000_cost->fp not 0 as adjustment for outer NEG.
28035
28036 2007-01-04  Jan Hubicka  <jh@suse.cz>
28037
28038         * cgraph.c (cgraph_release_function_body): New function.
28039         (cgraph_remove_node): Use it.
28040         * cgraph.h (cgraph_release_function_body): Declare.
28041         * cgraphunit.c (cgraph_expand_function): Use it.
28042         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
28043         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
28044         is initialized and while compilation of other function is running.
28045         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
28046         statement CFG annotations from here to ...
28047         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
28048
28049 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
28050
28051         * cfgloop.h (enum li_flags): Make the constants powers of two.
28052
28053 2007-01-04  Jan Hubicka  <jh@suse.cz>
28054
28055         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
28056         set.
28057         (fold_marked_statements): New function.
28058         (optimize_inline_calls, tree_function_versioning): Fold new statements.
28059         * tree-inline.h (copy_body_data): Add statements_to_fold.
28060
28061 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
28062
28063         * config.gcc: Mention libgcc/config.host.
28064         * Makefile.in: Update comments mentioning libgcc.
28065         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
28066         (all.cross, start.encap, rest.encap, rest.cross): Update
28067         dependencies for libgcc move.
28068         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
28069         (clean-target, clean-target-libgcc): Delete.
28070         (srcdirify, GCC_EXTRA_PARTS): New macros.
28071         (libgcc-support, libgcc.mvars): New rules.
28072         (distclean): Remove mention of mklibgcc.
28073         (install): Don't reference INSTALL_LIBGCC.
28074         (install-common): Don't reference EXTRA_PARTS.
28075         (install-libgcc, install-multilib): Delete rules.
28076         * mklibgcc.in: Delete file.
28077         * doc/configfiles.texi: Don't mention mklibgcc.
28078
28079         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
28080         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
28081         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
28082         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
28083         (mklibgcc, ldblspecs): Likewise.
28084
28085         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
28086         (posixpre.def): Use $(T).
28087         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
28088         (SHLIB_SRC, SHLIB_INSTALL): Delete.
28089         (SHLIB_LINK): Make dummy.
28090         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
28091
28092         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
28093
28094         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
28095         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
28096         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
28097         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
28098
28099         * configure.ac (all_outputs): Remove mklibgcc.
28100         * configure: Regenerated.
28101
28102 2007-01-03  Josh Conner  <jconner@apple.com>
28103
28104         PR middle-end/29683
28105         * calls.c (compute_argument_addresses): Set stack and stack_slot
28106         for partial args, too.
28107         (store_one_arg): Use locate.size.constant for the size when
28108         generating a save_area.
28109
28110 2007-01-03  Robert Kennedy <jimbob@google.com>
28111
28112         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
28113         whose definitions are deleted due to basic block merging.
28114
28115 2007-01-03  Paul Brook  <paul@codesourcery.com>
28116
28117         PR target/16634
28118         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
28119         functions.
28120         (use_return_insn): Return 0 for Thumb interrupt functions.
28121         (print_multi_reg): Add rfe argument for IRQ returns.
28122         (arm_output_epilogue): Pop interrupt return address directly into PC.
28123         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
28124
28125 2007-01-03  Paul Brook  <paul@codesourcery.com>
28126
28127         Merge from sourcerygxx-4_1.
28128         * config/arm/thumb2.md: New file.
28129         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
28130         Thumb-2.
28131         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
28132         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
28133         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
28134         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
28135         tables.
28136         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
28137         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
28138         comptibility.
28139         * config/arm/ieee754-sf.S: Ditto.
28140         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
28141         (thumb1_base_register_rtx_p): ... to this.
28142         (thumb_index_register_rtx_p): Rename...
28143         (thumb1_index_register_rtx_p): ... to this.
28144         (thumb_output_function_prologue): Rename...
28145         (thumb1_output_function_prologue): ... to this.
28146         (thumb_legitimate_address_p): Rename...
28147         (thumb1_legitimate_address_p): ... to this.
28148         (thumb_rtx_costs): Rename...
28149         (thumb1_rtx_costs): ... to this.
28150         (thumb_compute_save_reg_mask): Rename...
28151         (thumb1_compute_save_reg_mask): ... to this.
28152         (thumb_final_prescan_insn): Rename...
28153         (thumb1_final_prescan_insn): ... to this.
28154         (thumb_expand_epilogue): Rename...
28155         (thumb1_expand_epilogue): ... to this.
28156         (arm_unwind_emit_stm): Rename...
28157         (arm_unwind_emit_sequence): ... to this.
28158         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
28159         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
28160         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
28161         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
28162         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
28163         thumb2_output_casesi): New functions.
28164         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
28165         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
28166         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
28167         THUMB2_WORK_REGS): Define.
28168         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
28169         arm_condexec_mask, arm_condexec_masklen)): New variables.
28170         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
28171         (arm_override_options): Check new CPU capabilities.
28172         Set new architecture flag variables.
28173         (arm_isr_value): Handle v7m interrupt functions.
28174         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
28175         Thumb-2.
28176         (const_ok_for_arm): Handle Thumb-2 constants.
28177         (arm_gen_constant): Ditto.  Use movw when available.
28178         (arm_function_ok_for_sibcall): Return false for v7m interrupt
28179         functions.
28180         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
28181         (thumb_find_work_register, arm_load_pic_register,
28182         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
28183         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
28184         print_multi_reg, output_mov_long_double_fpa_from_arm,
28185         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
28186         output_mov_double_fpa_from_arm, output_move_double,
28187         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
28188         output_return_instruction, arm_output_function_prologue,
28189         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
28190         arm_output_mi_thunk, thumb_set_return_address): Ditto.
28191         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
28192         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
28193         (arithmetic_instr, shift_op): Use arm_shift_nmem.
28194         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
28195         '!' and 'L'.
28196         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
28197         (thumb_expand_prologue): Use thumb_set_frame_pointer.
28198         (arm_file_start): Output directive for unified syntax.
28199         (arm_unwind_emit_set): Handle stack alignment instruction.
28200         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
28201         Add v6t2, v7, v7a, v7r and v7m.
28202         (RETLDM): Add Thumb-2 code.
28203         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
28204         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
28205         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
28206         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
28207         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
28208         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
28209         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
28210         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
28211         ADJUST_INSN_LENGTH): Define.
28212         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
28213         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
28214         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
28215         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
28216         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
28217         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
28218         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
28219         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
28220         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
28221         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
28222         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
28223         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
28224         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
28225         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
28226         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
28227         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
28228         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
28229         cortex-m3.
28230         * config/arm/arm-tune.md: Regenerate.
28231         * config/arm/arm-protos.h: Update prototypes.
28232         * config/arm/vfp.md: Enable patterns for Thumb-2.
28233         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
28234         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
28235         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
28236         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
28237         * config/arm/libunwind.S: Add Thumb-2 code.
28238         * config/arm/constraints.md: Update include Thumb-2.
28239         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
28240         * config/arm/ieee754-df.S: Ditto.
28241         * config/arm/bpabi.S: Ditto.
28242         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
28243         * config/arm/predicates.md (low_register_operand,
28244         low_reg_or_int_operand, thumb_16bit_operator): New.
28245         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
28246         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
28247         * config/arm/t-arm-elf: Add armv7 multilib.
28248         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
28249         Include thumb2.md.
28250         (UNSPEC_STACK_ALIGN, ce_count): New.
28251         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
28252         arm_zero_extendsidi2, arm_zero_extendqidi2): New
28253         insns/expanders.
28254         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
28255         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
28256         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
28257         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
28258         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
28259         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
28260         insns.
28261         * doc/extend.texi: Document ARMv7-M interrupt functions.
28262         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
28263
28264 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
28265
28266         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
28267         (struct _Unwind_Context): Rename args_size to flags, remove
28268         signal_frame field, add a new args_size field and version field.
28269         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
28270         _Unwind_IsExtendedContext): New inline functions.
28271         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
28272         Assume by_value array is only present if _Unwind_IsExtendedContext.
28273         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
28274         _Unwind_IsSignalFrame.
28275         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
28276         (uw_update_context_1): Use _Unwind_SetSignalFrame.
28277         (uw_init_context_1): Initialize context->flags to
28278         EXTENDED_CONTEXT_BIT.
28279         * config/rs6000/linux-unwind.h (frob_update_context): Use
28280         _Unwind_SetSignalFrame.
28281
28282 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
28283
28284         PR middle-end/30353
28285         * gimplify.c (gimplify_modify_expr_complex_part): Move below
28286         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
28287         the value.
28288
28289 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
28290
28291         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
28292         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
28293         RET, AT_SP): Remove.
28294         * config/i386/i386.md (*sse_prologue_save_insn): Use return
28295         instead of RET.
28296
28297         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
28298         * cfgbuild.c (find_basic_blocks): Likewise.
28299         * cfgrtl.c (rtl_create_basic_block): Likewise.
28300         * function.c (temp_slots_at_level): Likewise.
28301         * reg-stack.c (stack_regs_mentioned): Likewise.
28302         * regclass.c (allocate_reg_info): Likewise.
28303         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
28304         set_bb_for_stmt, move_block_to_fn): Likewise.
28305         * tree-complex.c (tree_lower_complex): Likewise.
28306         * vec.h (VEC_safe_grow_cleared): New.
28307
28308         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
28309
28310 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
28311
28312         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
28313         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
28314         to loop_version.
28315         * cfgloopmanip.c (scale_loop_frequencies): Export.
28316         (loopify): Scale the frequencies by prescribed coefficients.
28317         (set_zero_probability): New function.
28318         (duplicate_loop_to_header_edge): Improve updating of frequencies.
28319         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
28320         and frequencies according to arguments.
28321         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
28322         correctly.
28323         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
28324         * modulo-sched.c (sms_schedule): Set probabilities for entering
28325         versioned loop correctly.
28326         * tree-vect-transform.c (vect_transform_loop): Ditto.
28327         * cfgloop.h (loopify, loop_version): Declaration changed.
28328         (scale_loop_frequencies): Declared.
28329
28330 2007-01-02  Jan Hubicka  <jh@suse.cz>
28331
28332         * cgraph.c: Include tree-flow.h
28333         (cgraph_add_new-function): Handle IPA_SSA mode; execute
28334         early_local_passes.
28335         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
28336         * tree-pass.h (pass_all_early_optimizations): Declare.
28337         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
28338         early_local_passes.
28339         (cgraph_analyze_function): Do early_local_passes.
28340         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
28341         Do not add referenced vars.
28342         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
28343         SSA form.
28344         (gate_all_early_local_passes): New gate.
28345         (pass_early_local_passes): Use new gate.
28346         (execute_early_local_optimizations): New functions.
28347         (gate_all_early_optimizations): New gate.
28348         (pass_all_early_optimizations): New pass.
28349         (execute_free_datastructures): Free SSA only when initialized.
28350         (gate_init_datastructures): Init only when optimizing.
28351         (tree_lowering_passes): Do early local passes when called late.
28352         * tree-profile.c (do_tree_profiling): Don't profile functions added
28353         late.
28354         (do_early_tree_profiling, pass_early_tree_profile): Kill.
28355         * tree-cfg.c (update_modified_stmts): Do not update when operands are
28356         not active.
28357         * passes.c (init_optimizations_passes): Reorder so we go into SSA
28358         during early_local_passes.
28359         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
28360
28361
28362 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
28363
28364         * Makefile.in: Update copyright year.
28365
28366 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
28367
28368         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
28369         in $(lang_checks) and check-consistency targets.
28370
28371 2007-01-02  Jan Hubicka  <jh@suse.cz>
28372
28373         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
28374         Do not add referenced vars.
28375         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
28376         are not active.
28377         * passes.c (init_optimization_passes): Put mudflap_2 after
28378         free_datastructures.
28379
28380 2007-01-02  Jan Hubicka  <jh@suse.cz>
28381
28382         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
28383         Set NOTHROW flag on call statements proved to be nothrow.
28384         Update statement of local calls so new pure/const functions are
28385         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
28386         goto receivers.
28387         (tree_rest_of_compilation): Register hooks and initialize bitmap
28388         early. Do not set after_inlining flag.
28389
28390 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
28391
28392         * sbitmap.c (HOST_BITS_PER_LONG_LONG): Change to
28393         HOST_BITS_PER_LONGLONG
28394
28395 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
28396
28397         PR c/19977
28398         * c-typeck.c (store_init_value): Don't emit pedantic overflow
28399         warning for non-static initializers.
28400
28401 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
28402
28403         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
28404         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
28405         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
28406         Always use set_unique_reg_note to add REG_EQUAL notes.
28407
28408 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
28409
28410         Revert:
28411         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
28412
28413         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
28414         * cfgbuild.c (find_basic_blocks): Likewise.
28415         * cfgrtl.c (rtl_create_basic_block): Likewise.
28416         * function.c (temp_slots_at_level): Likewise.
28417         * reg-stack.c (stack_regs_mentioned): Likewise.
28418         * regclass.c (allocate_reg_info): Likewise.
28419         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
28420         set_bb_for_stmt, move_block_to_fn): Likewise.
28421         * tree-complex.c (tree_lower_complex): Likewise.
28422         * vec.h (VEC_safe_grow_cleared): New.
28423
28424 2007-01-02  Ian Lance Taylor  <iant@google.com>
28425
28426         * c-common.c (c_common_truthvalue_conversion): When warning about
28427         using an assignment as a truth value, set TREE_NO_WARNING.
28428
28429 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
28430
28431         PR middle-end/7651
28432         * c.opt (Wold-style-declaration): New.
28433         * doc/invoke.texi (C-only Warning Options): New.
28434         (Wold-style-declaration): Document it.
28435         (Wextra): Enabled by -Wextra.
28436         * c-opts.c (c_common_post_options): Enabled by -Wextra.
28437         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
28438         -Wold-style-declaration.
28439
28440 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
28441
28442         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
28443         * cfgbuild.c (find_basic_blocks): Likewise.
28444         * cfgrtl.c (rtl_create_basic_block): Likewise.
28445         * function.c (temp_slots_at_level): Likewise.
28446         * reg-stack.c (stack_regs_mentioned): Likewise.
28447         * regclass.c (allocate_reg_info): Likewise.
28448         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
28449         set_bb_for_stmt, move_block_to_fn): Likewise.
28450         * tree-complex.c (tree_lower_complex): Likewise.
28451         * vec.h (VEC_safe_grow_cleared): New.
28452
28453 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
28454
28455         * c-common.c (c_common_nodes_and_builtins): Since variants of
28456         void_type_node get built before it is given a name, we need to
28457         give those variants the name, too.
28458         (complete_array_type): We need to work with the canonical main
28459         type of the array, from which we will build the qualified version.
28460         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
28461         * print-tree.c (print_node): Display canonical type information
28462         for each type.
28463         * stor-layout.c (layout_type): When we don't know the
28464         alignment of a type for which we're building an array, we end up
28465         guessing wrong, so make the type require structural equality.
28466         * tree.c (make_node_stat): When we build a new type, it is its
28467         own canonical type.
28468         (build_type_attribute_qual_variant): When building an attribute
28469         variant, its canonical type is the non-attribute variant. However,
28470         if the attributes are target-dependent and they differ, we need to
28471         use structural equality checks for this type.
28472         (build_qualified_type): A qualified type is not equivalent to its
28473         unqualified variant; set the canonical type appropriately.
28474         (build_distinct_type_copy): When building a distinct type from
28475         another type, the new type is its own canonical type.
28476         (build_variant_type_copy): When building a new type variant, we
28477         assume that it is equivalent to the original type.
28478         (build_pointer_type_for_mode): When building a pointer type, also
28479         build a canonical type pointer.
28480         (build_reference_type_for_mode): When building a reference type,
28481         also build a canonical type reference.
28482         (build_index_type): When we can't hash an index type (e.g.,
28483         because its maximum value is negative), the index type requires
28484         structural equality tests.
28485         (build_array_type): Build the canonical form of an array type.
28486         (build_function_type): Function types require structural equality,
28487         because they contain default arguments, attributes, etc.
28488         (build_method_type_directly): Ditto for method types.
28489         (build_offset_type): Build the canonical offset type.
28490         (build_complex_type): Build the canonical vector type.
28491         (make_vector_type): Build the canonical vector type.
28492         * tree.h (TYPE_CANONICAL): New.
28493         (TYPE_STRUCTURAL_EQUALITY_P): New.
28494         (SET_TYPE_STRUCTURAL_EQUALITY): New.
28495         (struct tree_type): Added "canonical" field.
28496         * params.h (VERIFY_CANONICAL_TYPES): New.
28497         * doc/c-tree.texi (TYPE_CANONICAL): Document.
28498         (TYPE_STRUCTURAL_EQUALITY_P): Document.
28499         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
28500         * doc/invoke.texi (verify-canonical-types): Document --param
28501         parameter for verifying canonical types.
28502
28503 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
28504
28505         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
28506         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
28507         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
28508         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
28509         tm_file.
28510         * config/rs6000/e500.h: New.
28511         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
28512         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
28513         Remove.
28514         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
28515         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
28516         TARGET_E500_DOUBLE): Remove.
28517         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
28518         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
28519         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
28520         * config/rs6000/rs6000.c (rs6000_override_options): Use
28521         CHECK_E500_OPTIONS.
28522
28523 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
28524
28525         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
28526         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
28527         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
28528         rs6000_emit_cmove): Don't check TARGET_E500.
28529         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
28530         sordered): Don't check TARGET_E500.
28531
28532 2007-01-01  Eric Christopher  <echristo@apple.com>
28533
28534         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
28535         HARD_REGISTER_NUM_P.
28536
28537 2007-01-01  Roger Sayle  <roger@eyesopen.com>
28538
28539         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
28540         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
28541         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
28542         eq/ne Y".
28543
28544 2007-01-01  Mike Stump  <mrs@apple.com>
28545
28546         * configure.ac: Remove support for building with Apple's gcc-3.1.
28547
28548 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
28549
28550         PR middle-end/30311
28551         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
28552         REG is a hard register.  Do not modify REG before calling
28553         subreg_nregs.
28554         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
28555         multiple of the size of YMODE for certain lowpart cases.
28556
28557 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
28558
28559         PR middle-end/30253
28560         * gimplify (voidify_wrapper_expr): Update for
28561         GIMPLE_MODIFY_STMT.
28562
28563 2007-01-01  Andreas Schwab  <schwab@suse.de>
28564
28565         PR target/29166
28566         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
28567         save of BR0 in extra_spill_size instead of spill_size.
28568         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
28569         area.
28570         (ia64_expand_epilogue): Restore BR0 from its new location.
28571
28572 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
28573
28574         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
28575         Use a temporary variable if the left hand side is not a gimple
28576         register.
28577
28578 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
28579
28580         * gimplify.c (gimplify_return_expr): Make the temporary variable
28581         for the return expression, a gimple register variable.
28582
28583 2007-01-01  Jan Hubicka  <jh@suse.cz>
28584
28585         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
28586         INSN_LIST.
28587
28588 2007-01-01  Mike Stump  <mrs@apple.com>
28589
28590         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
28591         .literal16.
28592         * config/darwin.c (machopic_select_rtx_section): Use
28593         HAVE_GAS_LITERAL16.
28594         (darwin_mergeable_constant_section): Likewise.
28595         * configure: Regenerate.
28596         * config.in: Regenerate.
28597
28598 2007-01-01  Jan Hubicka  <jh@suse.cz>
28599             Andrew Pinski  <pinskia@gmail.com>
28600
28601         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
28602         before starting IPA passes.